Update project structure and configurations
This commit is contained in:
296
crates/solver/tests/calibrated_cycle_integration.rs
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296
crates/solver/tests/calibrated_cycle_integration.rs
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/// Integration test: calibrated refrigeration cycle vs synthetic test data.
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///
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/// Validates that Calib factors correctly scale component outputs and that
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/// the solver converges on a calibrated cycle matching expected targets
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/// within configurable tolerances (capacity ±2%, power ±3%).
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///
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/// The mock components form a self-consistent cycle for any Calib values:
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/// Compressor : dp = +1 MPa, dh = +75kJ × f_m × f_power
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/// Condenser : dp = -20kPa×f_dp, dh = -(75kJ×f_m×f_power + 150kJ×f_ua)
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/// Valve : dp = -(1MPa - 20kPa×f_dp), dh = 0 (isenthalpic)
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/// Evaporator : dp = 0, dh = +150kJ × f_ua
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///
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/// Energy balance: compressor_work + evaporator_absorption = condenser_rejection ✓
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/// Pressure balance: closes for any f_dp ✓
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use entropyk_components::{
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Component, ComponentError, ConnectedPort, JacobianBuilder, ResidualVector, StateSlice,
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};
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use entropyk_core::{Calib, MassFlow};
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use entropyk_solver::{
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solver::{NewtonConfig, Solver},
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system::System,
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};
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use entropyk_components::port::{Connected, FluidId, Port};
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use entropyk_core::{Enthalpy, Pressure};
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type CP = Port<Connected>;
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// ─── Calibrated mock components ────────────────────────────────────────────────
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struct CalibCompressor { port_suc: CP, port_disc: CP, calib: Calib }
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impl Component for CalibCompressor {
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fn compute_residuals(&self, _s: &StateSlice, r: &mut ResidualVector) -> Result<(), ComponentError> {
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let dh_eff = 75_000.0 * self.calib.f_m * self.calib.f_power;
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r[0] = self.port_disc.pressure().to_pascals() - (self.port_suc.pressure().to_pascals() + 1_000_000.0);
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r[1] = self.port_disc.enthalpy().to_joules_per_kg() - (self.port_suc.enthalpy().to_joules_per_kg() + dh_eff);
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Ok(())
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}
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fn jacobian_entries(&self, _s: &StateSlice, _j: &mut JacobianBuilder) -> Result<(), ComponentError> { Ok(()) }
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fn n_equations(&self) -> usize { 2 }
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fn get_ports(&self) -> &[ConnectedPort] { &[] }
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fn port_mass_flows(&self, _: &StateSlice) -> Result<Vec<MassFlow>, ComponentError> {
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Ok(vec![MassFlow::from_kg_per_s(0.05), MassFlow::from_kg_per_s(-0.05)])
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}
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}
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struct CalibCondenser { port_in: CP, port_out: CP, calib: Calib }
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impl Component for CalibCondenser {
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fn compute_residuals(&self, _s: &StateSlice, r: &mut ResidualVector) -> Result<(), ComponentError> {
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let dp_eff = 20_000.0 * self.calib.f_dp;
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// Condenser rejects compressor work + evaporator load (energy balance)
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let dh_reject = 75_000.0 * self.calib.f_m * self.calib.f_power + 150_000.0 * self.calib.f_ua;
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r[0] = self.port_out.pressure().to_pascals() - (self.port_in.pressure().to_pascals() - dp_eff);
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r[1] = self.port_out.enthalpy().to_joules_per_kg() - (self.port_in.enthalpy().to_joules_per_kg() - dh_reject);
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Ok(())
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}
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fn jacobian_entries(&self, _s: &StateSlice, _j: &mut JacobianBuilder) -> Result<(), ComponentError> { Ok(()) }
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fn n_equations(&self) -> usize { 2 }
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fn get_ports(&self) -> &[ConnectedPort] { &[] }
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fn port_mass_flows(&self, _: &StateSlice) -> Result<Vec<MassFlow>, ComponentError> {
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Ok(vec![MassFlow::from_kg_per_s(0.05), MassFlow::from_kg_per_s(-0.05)])
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}
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}
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struct CalibValve { port_in: CP, port_out: CP, calib: Calib }
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impl Component for CalibValve {
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fn compute_residuals(&self, _s: &StateSlice, r: &mut ResidualVector) -> Result<(), ComponentError> {
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let dp_eff = 1_000_000.0 - 20_000.0 * self.calib.f_dp;
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r[0] = self.port_out.pressure().to_pascals() - (self.port_in.pressure().to_pascals() - dp_eff);
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r[1] = self.port_out.enthalpy().to_joules_per_kg() - self.port_in.enthalpy().to_joules_per_kg();
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Ok(())
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}
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fn jacobian_entries(&self, _s: &StateSlice, _j: &mut JacobianBuilder) -> Result<(), ComponentError> { Ok(()) }
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fn n_equations(&self) -> usize { 2 }
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fn get_ports(&self) -> &[ConnectedPort] { &[] }
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fn port_mass_flows(&self, _: &StateSlice) -> Result<Vec<MassFlow>, ComponentError> {
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Ok(vec![MassFlow::from_kg_per_s(0.05), MassFlow::from_kg_per_s(-0.05)])
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}
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}
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struct CalibEvaporator { port_in: CP, port_out: CP, calib: Calib }
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impl Component for CalibEvaporator {
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fn compute_residuals(&self, _s: &StateSlice, r: &mut ResidualVector) -> Result<(), ComponentError> {
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let dh_eff = 150_000.0 * self.calib.f_ua;
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r[0] = self.port_out.pressure().to_pascals() - self.port_in.pressure().to_pascals();
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r[1] = self.port_out.enthalpy().to_joules_per_kg() - (self.port_in.enthalpy().to_joules_per_kg() + dh_eff);
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Ok(())
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}
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fn jacobian_entries(&self, _s: &StateSlice, _j: &mut JacobianBuilder) -> Result<(), ComponentError> { Ok(()) }
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fn n_equations(&self) -> usize { 2 }
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fn get_ports(&self) -> &[ConnectedPort] { &[] }
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fn port_mass_flows(&self, _: &StateSlice) -> Result<Vec<MassFlow>, ComponentError> {
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Ok(vec![MassFlow::from_kg_per_s(0.05), MassFlow::from_kg_per_s(-0.05)])
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}
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}
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fn port(p_pa: f64, h_j_kg: f64) -> CP {
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let (connected, _) = Port::new(
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FluidId::new("R134a"),
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Pressure::from_pascals(p_pa),
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Enthalpy::from_joules_per_kg(h_j_kg),
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).connect(Port::new(
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FluidId::new("R134a"),
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Pressure::from_pascals(p_pa),
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Enthalpy::from_joules_per_kg(h_j_kg),
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)).unwrap();
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connected
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}
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fn make_calib() -> Calib {
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Calib {
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f_m: 1.0,
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f_dp: 1.0,
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f_ua: 1.0,
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f_power: 1.0,
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f_etav: 1.0,
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calibration_source: None,
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}
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}
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/// Compute the analytical solution for the calibrated cycle.
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fn analytical_solution(calib: &Calib) -> [f64; 8] {
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let p3 = 350_000.0;
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let h3 = 410_000.0;
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let p0 = p3 + 1_000_000.0;
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let h0 = h3 + 75_000.0 * calib.f_m * calib.f_power;
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let p1 = p0 - 20_000.0 * calib.f_dp;
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let h1 = h0 - 75_000.0 * calib.f_m * calib.f_power - 150_000.0 * calib.f_ua;
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let p2 = p3;
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let h2 = h1;
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[p0, h0, p1, h1, p2, h2, p3, h3]
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}
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fn solve_calibrated_cycle(calib: &Calib) -> Vec<f64> {
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let sol = analytical_solution(calib);
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let comp = Box::new(CalibCompressor {
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port_suc: port(sol[6], sol[7]),
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port_disc: port(sol[0], sol[1]),
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calib: calib.clone(),
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});
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let cond = Box::new(CalibCondenser {
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port_in: port(sol[0], sol[1]),
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port_out: port(sol[2], sol[3]),
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calib: calib.clone(),
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});
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let valv = Box::new(CalibValve {
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port_in: port(sol[2], sol[3]),
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port_out: port(sol[4], sol[5]),
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calib: calib.clone(),
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});
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let evap = Box::new(CalibEvaporator {
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port_in: port(sol[4], sol[5]),
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port_out: port(sol[6], sol[7]),
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calib: calib.clone(),
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});
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let mut system = System::new();
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let n_comp = system.add_component(comp);
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let n_cond = system.add_component(cond);
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let n_valv = system.add_component(valv);
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let n_evap = system.add_component(evap);
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system.add_edge(n_comp, n_cond).unwrap();
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system.add_edge(n_cond, n_valv).unwrap();
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system.add_edge(n_valv, n_evap).unwrap();
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system.add_edge(n_evap, n_comp).unwrap();
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system.finalize().unwrap();
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let mut config = NewtonConfig {
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max_iterations: 100,
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tolerance: 1e-8,
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line_search: false,
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use_numerical_jacobian: true,
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initial_state: Some(sol.to_vec()),
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..NewtonConfig::default()
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};
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config.solve(&mut system).unwrap().state
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}
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/// Baseline: all Calib = 1.0 → results match nominal analytical solution.
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#[test]
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fn test_calibrated_cycle_nominal_baseline() {
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let calib = make_calib();
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let sv = solve_calibrated_cycle(&calib);
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let expected = analytical_solution(&calib);
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for i in 0..8 {
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let diff = (sv[i] - expected[i]).abs();
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assert!(diff < 10.0, "sv[{}]: got {}, expected {}, diff {}", i, sv[i], expected[i], diff);
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}
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// Energy balance check
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let dh_comp = sv[1] - sv[7];
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let dh_cond = sv[3] - sv[1];
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let dh_valve = sv[5] - sv[3];
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let dh_evap = sv[7] - sv[5];
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let imbalance = dh_comp + dh_cond + dh_valve + dh_evap;
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assert!(imbalance.abs() < 10.0, "Energy imbalance: {imbalance}");
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}
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/// f_ua = 1.1 on evaporator → capacity increases by 10% (±2% tolerance).
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#[test]
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fn test_calibrated_cycle_fua_increases_capacity() {
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let nom = make_calib();
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let cal = Calib { f_ua: 1.1, calibration_source: Some("synthetic-fua".into()), ..make_calib() };
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let sv_nom = solve_calibrated_cycle(&nom);
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let sv_cal = solve_calibrated_cycle(&cal);
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let dh_evap_nom = sv_nom[7] - sv_nom[5];
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let dh_evap_cal = sv_cal[7] - sv_cal[5];
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let capacity_ratio = dh_evap_cal / dh_evap_nom;
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assert!(
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(capacity_ratio - 1.10).abs() < 0.02,
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"Capacity ratio: {capacity_ratio:.4}, expected ~1.10 ±2%"
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);
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}
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/// f_m * f_power on compressor → compressor work scales accordingly (±3% tolerance).
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#[test]
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fn test_calibrated_cycle_fm_fpower_scales_compressor_work() {
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let nom = make_calib();
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let cal = Calib {
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f_m: 1.05,
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f_power: 1.03,
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calibration_source: Some("test-bench-2024-A".into()),
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..make_calib()
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};
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let sv_nom = solve_calibrated_cycle(&nom);
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let sv_cal = solve_calibrated_cycle(&cal);
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let dh_comp_nom = sv_nom[1] - sv_nom[7];
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let dh_comp_cal = sv_cal[1] - sv_cal[7];
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let power_ratio = dh_comp_cal / dh_comp_nom;
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let expected = 1.05 * 1.03;
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assert!(
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(power_ratio - expected).abs() < 0.03,
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"Power ratio: {power_ratio:.4}, expected ~{expected:.4} ±3%"
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);
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}
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/// f_dp on condenser → pressure drop scales by f_dp factor.
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#[test]
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fn test_calibrated_cycle_fdp_scales_pressure_drop() {
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let nom = make_calib();
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let cal = Calib {
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f_dp: 1.5,
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calibration_source: Some("dp-test-synthetic".into()),
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..make_calib()
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};
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let sv_nom = solve_calibrated_cycle(&nom);
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let sv_cal = solve_calibrated_cycle(&cal);
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let dp_nom = sv_nom[2] - sv_nom[0]; // negative (pressure drop)
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let dp_cal = sv_cal[2] - sv_cal[0];
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let dp_ratio = dp_cal / dp_nom;
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assert!(
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(dp_ratio - 1.5).abs() < 0.05,
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"Pressure drop ratio: {dp_ratio:.4}, expected ~1.50 ±5%"
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);
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}
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/// Calib with calibration_source roundtrips through JSON and still produces correct results.
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#[test]
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fn test_calibrated_cycle_with_calibration_source_metadata() {
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let calib_json = r#"{
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"f_m": 1.0,
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"f_dp": 1.0,
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"f_ua": 1.1,
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"f_power": 1.0,
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"f_etav": 1.0,
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"calibration_source": "manufacturer-test-report-2024-TR-001"
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}"#;
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let calib: Calib = serde_json::from_str(calib_json).unwrap();
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assert_eq!(
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calib.calibration_source.as_deref(),
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Some("manufacturer-test-report-2024-TR-001")
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);
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assert_eq!(calib.f_ua, 1.1);
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let sv = solve_calibrated_cycle(&calib);
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// f_ua=1.1 → evaporator Δh = 150kJ × 1.1 = 165 kJ/kg
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let dh_evap = sv[7] - sv[5];
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assert!(
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(dh_evap - 165_000.0).abs() < 1_000.0,
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"Evaporator Δh with f_ua=1.1: {dh_evap:.0}, expected ~165000"
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);
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}
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@@ -589,9 +589,9 @@ fn test_screw_energy_balance() {
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// At this operating point:
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// h_suc=400 kJ/kg, h_dis=440 kJ/kg, h_eco=260 kJ/kg
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// ṁ_suc=1.2 kg/s, ṁ_eco=0.144 kg/s, ṁ_total=1.344 kg/s
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// Energy in = 1.2×400000 + 0.144×260000 + W/0.92
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// Energy out = 1.344×440000
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// W = (1.344×440000 - 1.2×400000 - 0.144×260000) × 0.92
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// First law (fluid side): ṁ_suc×h_suc + ṁ_eco×h_eco + W_fluid = ṁ_total×h_dis
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// W_fluid = W_shaft × η_mech
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// W_shaft = (ΔH) / η_mech
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let m_suc = 1.2_f64;
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let m_eco = 0.144_f64;
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@@ -601,21 +601,21 @@ fn test_screw_energy_balance() {
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let h_eco = 260_000.0_f64;
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let eta_mech = 0.92_f64;
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let w_expected = (m_total * h_dis - m_suc * h_suc - m_eco * h_eco) * eta_mech;
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let delta_h = m_total * h_dis - m_suc * h_suc - m_eco * h_eco;
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let w_shaft = delta_h / eta_mech;
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let w_fluid = w_shaft * eta_mech; // == delta_h
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println!(
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"Expected shaft power: {:.0} W = {:.1} kW",
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w_expected,
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w_expected / 1000.0
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"Shaft power: {:.0} W = {:.1} kW, Fluid power: {:.0} W",
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w_shaft, w_shaft / 1000.0, w_fluid
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);
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// Verify that this W closes the energy balance (residual[2] ≈ 0)
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let state = vec![m_suc, m_eco, h_suc, h_dis, w_expected];
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// Verify: W_shaft closes the energy balance via residual[2]
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// State layout: [m_suc, m_eco, w_shaft] — enthalpies come from ports, not state
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let state = vec![m_suc, m_eco, w_shaft];
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let mut residuals = vec![0.0; 5];
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comp.compute_residuals(&state, &mut residuals).unwrap();
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// residual[2] = energy_in - energy_out
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// = (ṁ_suc×h_suc + ṁ_eco×h_eco + W/η) - ṁ_total×h_dis
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// Should be exactly 0 if W was computed correctly
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// residual[2] = (ṁ_suc×h_suc + ṁ_eco×h_eco + W_shaft×η) - ṁ_total×h_dis
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println!("Energy balance residual: {:.4} J/s", residuals[2]);
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assert!(
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residuals[2].abs() < 1.0,
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@@ -57,6 +57,10 @@ impl Component for MockCalibratedComponent {
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||||
fn set_calib_indices(&mut self, indices: CalibIndices) {
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self.calib_indices = indices;
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||||
}
|
||||
|
||||
fn update_calib_factor(&mut self, _factor: &str, _value: f64) -> bool {
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false
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||||
}
|
||||
}
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||||
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||||
#[test]
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||||
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||||
220
crates/solver/tests/inverse_calibration_algorithm.rs
Normal file
220
crates/solver/tests/inverse_calibration_algorithm.rs
Normal file
@@ -0,0 +1,220 @@
|
||||
//! Integration tests for inverse calibration algorithm (Story 19.1 / P4-25).
|
||||
//!
|
||||
//! Tests cover:
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||||
//! - Single-factor calibration (f_ua → target capacity)
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||||
//! - Multi-factor sequential calibration (f_m then f_ua)
|
||||
//! - Simultaneous calibration
|
||||
//! - Failure diagnostics
|
||||
//! - Bounds enforcement
|
||||
//! - JSON round-trip of CalibrationResult
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||||
|
||||
use std::collections::HashMap;
|
||||
|
||||
use entropyk_components::{
|
||||
Component, ComponentError, ConnectedPort, JacobianBuilder, ResidualVector, StateSlice,
|
||||
};
|
||||
use entropyk_core::CalibIndices;
|
||||
use entropyk_solver::{
|
||||
inverse::calibration::{
|
||||
CalibFactor, CalibRequest, CalibrationMode, CalibrationProblem, CalibrationTarget,
|
||||
},
|
||||
NewtonConfig, Solver, System,
|
||||
};
|
||||
|
||||
/// Mock component whose capacity scales linearly with f_ua.
|
||||
/// Capacity = base_capacity * f_ua, where base_capacity = 4000.0 W.
|
||||
struct MockCalibratedHx {
|
||||
calib_indices: CalibIndices,
|
||||
base_capacity: f64,
|
||||
}
|
||||
|
||||
impl MockCalibratedHx {
|
||||
fn new(base_capacity: f64) -> Self {
|
||||
MockCalibratedHx {
|
||||
calib_indices: CalibIndices::default(),
|
||||
base_capacity,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Component for MockCalibratedHx {
|
||||
fn compute_residuals(
|
||||
&self,
|
||||
state: &StateSlice,
|
||||
residuals: &mut ResidualVector,
|
||||
) -> Result<(), ComponentError> {
|
||||
// Fix edge states to known values
|
||||
residuals[0] = state[0] - 300.0;
|
||||
residuals[1] = state[1] - 400.0;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn jacobian_entries(
|
||||
&self,
|
||||
_state: &StateSlice,
|
||||
jacobian: &mut JacobianBuilder,
|
||||
) -> Result<(), ComponentError> {
|
||||
jacobian.add_entry(0, 0, 1.0);
|
||||
jacobian.add_entry(1, 1, 1.0);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn n_equations(&self) -> usize {
|
||||
2
|
||||
}
|
||||
|
||||
fn get_ports(&self) -> &[ConnectedPort] {
|
||||
&[]
|
||||
}
|
||||
|
||||
fn set_calib_indices(&mut self, indices: CalibIndices) {
|
||||
self.calib_indices = indices;
|
||||
}
|
||||
|
||||
fn update_calib_factor(&mut self, _factor: &str, _value: f64) -> bool {
|
||||
false
|
||||
}
|
||||
}
|
||||
|
||||
fn setup_system_with_mock(component_name: &str, base_capacity: f64) -> System {
|
||||
let mut sys = System::new();
|
||||
let mock = Box::new(MockCalibratedHx::new(base_capacity));
|
||||
let comp_id = sys.add_component(mock);
|
||||
sys.register_component_name(component_name, comp_id);
|
||||
sys.add_edge(comp_id, comp_id).unwrap();
|
||||
sys
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_single_factor_calibration_f_ua() {
|
||||
let mut sys = setup_system_with_mock("evaporator", 4000.0);
|
||||
|
||||
let problem = CalibrationProblem::new()
|
||||
.add_request(CalibRequest::new(
|
||||
CalibFactor::FUa,
|
||||
"evaporator",
|
||||
(0.1, 10.0),
|
||||
1.0,
|
||||
))
|
||||
.add_target(CalibrationTarget::capacity("evaporator", 4015.0));
|
||||
|
||||
let config = NewtonConfig::default();
|
||||
let result = problem.calibrate(&mut sys, &config).unwrap();
|
||||
|
||||
assert!(result.converged, "Calibration should converge");
|
||||
let f_ua = result.estimated_factor("evaporator.f_ua").unwrap();
|
||||
// The mock capacity is extracted via extract_constraint_values_with_controls,
|
||||
// which uses the actual solver. Since the mock is simplified, we just verify
|
||||
// convergence and that a factor was returned.
|
||||
assert!(f_ua > 0.0, "f_ua should be positive, got {f_ua}");
|
||||
assert!(result.iterations > 0, "Should have at least 1 iteration");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_sequential_mode_is_default() {
|
||||
let p = CalibrationProblem::new();
|
||||
assert_eq!(p.mode(), CalibrationMode::Sequential);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_problem_dof_validation() {
|
||||
let sys = System::new();
|
||||
let p = CalibrationProblem::new()
|
||||
.add_request(CalibRequest::new(CalibFactor::FUa, "evaporator", (0.1, 10.0), 1.0));
|
||||
// Only 1 request, 0 targets → DoF mismatch
|
||||
let err = p.validate(&sys).unwrap_err();
|
||||
assert!(format!("{err}").contains("DoF mismatch"));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_problem_missing_component() {
|
||||
let sys = System::new();
|
||||
let p = CalibrationProblem::new()
|
||||
.add_request(CalibRequest::new(CalibFactor::FUa, "nonexistent", (0.1, 10.0), 1.0))
|
||||
.add_target(CalibrationTarget::capacity("nonexistent", 4015.0));
|
||||
let err = p.validate(&sys).unwrap_err();
|
||||
assert!(format!("{err}").contains("not registered"));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_bounds_validation_on_request() {
|
||||
let mut sys = setup_system_with_mock("evaporator", 4000.0);
|
||||
|
||||
let problem = CalibrationProblem::new()
|
||||
.add_request(CalibRequest::new(
|
||||
CalibFactor::FUa,
|
||||
"evaporator",
|
||||
(0.1, 10.0),
|
||||
0.05, // initial value below min bound
|
||||
))
|
||||
.add_target(CalibrationTarget::capacity("evaporator", 4015.0));
|
||||
|
||||
let config = NewtonConfig::default();
|
||||
// Should fail because initial value is outside bounds
|
||||
let result = problem.calibrate(&mut sys, &config);
|
||||
assert!(result.is_err(), "Should fail with invalid initial value");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_calibration_result_json_roundtrip() {
|
||||
use std::collections::HashMap;
|
||||
|
||||
let mut result =
|
||||
entropyk_solver::inverse::calibration::CalibrationResult {
|
||||
estimated_factors: HashMap::new(),
|
||||
residuals: HashMap::new(),
|
||||
mape: 0.0,
|
||||
max_abs_error: 0.0,
|
||||
iterations: 0,
|
||||
converged: false,
|
||||
saturated_factors: Vec::new(),
|
||||
};
|
||||
result
|
||||
.estimated_factors
|
||||
.insert("evaporator.f_ua".to_string(), 1.15);
|
||||
result
|
||||
.estimated_factors
|
||||
.insert("compressor.f_m".to_string(), 0.95);
|
||||
result.residuals.insert("evaporator.f_ua".to_string(), 0.02);
|
||||
result.mape = 1.5;
|
||||
result.max_abs_error = 0.05;
|
||||
result.iterations = 42;
|
||||
result.converged = true;
|
||||
result.saturated_factors.push("compressor.f_m".to_string());
|
||||
|
||||
let json = serde_json::to_string(&result).unwrap();
|
||||
let result2: entropyk_solver::inverse::calibration::CalibrationResult =
|
||||
serde_json::from_str(&json).unwrap();
|
||||
assert_eq!(result, result2);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_calib_factor_ordering() {
|
||||
let order = CalibFactor::calibration_order();
|
||||
assert_eq!(order[0], CalibFactor::FM, "f_m should come first");
|
||||
assert_eq!(order[2], CalibFactor::FUa, "f_ua should come third");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_calibration_target_factory_methods() {
|
||||
let t = CalibrationTarget::mass_flow("comp", 0.05);
|
||||
assert_eq!(t.measured_value, 0.05);
|
||||
|
||||
let t = CalibrationTarget::superheat("evap", 5.0);
|
||||
assert_eq!(t.measured_value, 5.0);
|
||||
|
||||
let t = CalibrationTarget::pressure("pipe", 101325.0);
|
||||
assert_eq!(t.measured_value, 101325.0);
|
||||
|
||||
let t = CalibrationTarget::saturation_temperature("cond", 305.0);
|
||||
assert_eq!(t.measured_value, 305.0);
|
||||
|
||||
let t = CalibrationTarget::temperature("node", 280.0);
|
||||
assert_eq!(t.measured_value, 280.0);
|
||||
|
||||
let t = CalibrationTarget::subcooling("cond", 3.0);
|
||||
assert_eq!(t.measured_value, 3.0);
|
||||
|
||||
let t = CalibrationTarget::heat_transfer_rate("hx", 5000.0);
|
||||
assert_eq!(t.measured_value, 5000.0);
|
||||
}
|
||||
@@ -687,9 +687,12 @@ fn test_three_constraints_and_three_controls() {
|
||||
///
|
||||
/// Note: This test uses mock components with synthetic physics. The mock MIMO
|
||||
/// coefficients (10.0 primary, 2.0 secondary) simulate thermal coupling for
|
||||
/// Jacobian verification. Real thermodynamic convergence is tested in AC #4.
|
||||
/// Tests that the MIMO Jacobian has correct structure and bounds are respected
|
||||
/// during a Newton-like step. This verifies structural correctness (dense block,
|
||||
/// proper cross-derivatives, bounded step) rather than actual Newton-Raphson
|
||||
/// convergence, which requires real thermodynamic components (AC #4).
|
||||
#[test]
|
||||
fn test_newton_raphson_reduces_residuals_for_mimo() {
|
||||
fn test_mimo_jacobian_structure_and_bounds() {
|
||||
let mut sys = build_two_component_cycle();
|
||||
|
||||
// Define two constraints
|
||||
@@ -744,7 +747,13 @@ fn test_newton_raphson_reduces_residuals_for_mimo() {
|
||||
|
||||
// Compute initial residuals
|
||||
let state_len = sys.state_vector_len();
|
||||
let initial_state = vec![300000.0f64, 400000.0, 300000.0, 400000.0]; // Non-zero P, h values
|
||||
let mut initial_state = vec![300000.0f64; state_len]; // Non-zero P, h values sized to full state vector
|
||||
if state_len > 1 {
|
||||
initial_state[1] = 400000.0;
|
||||
}
|
||||
if state_len > 3 {
|
||||
initial_state[3] = 400000.0;
|
||||
}
|
||||
let mut control_values = vec![0.7_f64, 0.5_f64];
|
||||
|
||||
// Extract initial constraint values and compute residuals
|
||||
@@ -828,3 +837,297 @@ fn test_newton_raphson_reduces_residuals_for_mimo() {
|
||||
"Newton step applied for MIMO control"
|
||||
);
|
||||
}
|
||||
|
||||
/// Verifies that the 2x2 MIMO Jacobian block is fully dense — every (i,j) entry
|
||||
/// is non-zero, confirming cross-coupling between all constraint/control pairs.
|
||||
#[test]
|
||||
fn test_2x2_jacobian_block_is_fully_dense() {
|
||||
let mut sys = build_two_component_cycle();
|
||||
|
||||
sys.add_constraint(Constraint::new(
|
||||
ConstraintId::new("capacity"),
|
||||
ComponentOutput::Capacity {
|
||||
component_id: "evaporator".to_string(),
|
||||
},
|
||||
5000.0,
|
||||
))
|
||||
.unwrap();
|
||||
sys.add_constraint(Constraint::new(
|
||||
ConstraintId::new("superheat"),
|
||||
ComponentOutput::Superheat {
|
||||
component_id: "evaporator".to_string(),
|
||||
},
|
||||
5.0,
|
||||
))
|
||||
.unwrap();
|
||||
let bv1 = BoundedVariable::new(
|
||||
BoundedVariableId::new("compressor_speed"),
|
||||
50.0,
|
||||
20.0,
|
||||
80.0,
|
||||
)
|
||||
.unwrap();
|
||||
let bv2 = BoundedVariable::new(
|
||||
BoundedVariableId::new("valve_opening"),
|
||||
0.5,
|
||||
0.1,
|
||||
1.0,
|
||||
)
|
||||
.unwrap();
|
||||
sys.add_bounded_variable(bv1).unwrap();
|
||||
sys.add_bounded_variable(bv2).unwrap();
|
||||
sys.link_constraint_to_control(
|
||||
&ConstraintId::new("capacity"),
|
||||
&BoundedVariableId::new("compressor_speed"),
|
||||
)
|
||||
.unwrap();
|
||||
sys.link_constraint_to_control(
|
||||
&ConstraintId::new("superheat"),
|
||||
&BoundedVariableId::new("valve_opening"),
|
||||
)
|
||||
.unwrap();
|
||||
|
||||
let state_len = sys.state_vector_len();
|
||||
let state = vec![300000.0f64; state_len];
|
||||
let control_values = vec![0.7_f64, 0.5_f64];
|
||||
let row_offset = 0;
|
||||
|
||||
let jac = sys.compute_inverse_control_jacobian(&state, row_offset, &control_values);
|
||||
|
||||
// For a 2x2 MIMO system, we expect entries for all (i,j) pairs in the control block
|
||||
let control_offset = sys.state_vector_len();
|
||||
let mut found = [[false; 2]; 2];
|
||||
for &(row, col, val) in &jac {
|
||||
if col >= control_offset {
|
||||
let i = row - row_offset;
|
||||
let j = col - control_offset;
|
||||
if i < 2 && j < 2 && val.abs() > 1e-10 {
|
||||
found[i][j] = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for i in 0..2 {
|
||||
for j in 0..2 {
|
||||
assert!(
|
||||
found[i][j],
|
||||
"Jacobian entry ({},{}) is missing or zero — expected dense block",
|
||||
i,
|
||||
j
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Verifies that the 3x3 MIMO Jacobian block is fully dense for all 9 entries.
|
||||
#[test]
|
||||
fn test_3x3_jacobian_block_is_fully_dense() {
|
||||
let mut sys = build_three_component_system();
|
||||
|
||||
sys.add_constraint(Constraint::new(
|
||||
ConstraintId::new("capacity"),
|
||||
ComponentOutput::Capacity {
|
||||
component_id: "evaporator".to_string(),
|
||||
},
|
||||
5000.0,
|
||||
))
|
||||
.unwrap();
|
||||
sys.add_constraint(Constraint::new(
|
||||
ConstraintId::new("superheat"),
|
||||
ComponentOutput::Superheat {
|
||||
component_id: "evaporator".to_string(),
|
||||
},
|
||||
5.0,
|
||||
))
|
||||
.unwrap();
|
||||
sys.add_constraint(Constraint::new(
|
||||
ConstraintId::new("pressure"),
|
||||
ComponentOutput::Pressure {
|
||||
component_id: "condenser".to_string(),
|
||||
},
|
||||
2000000.0,
|
||||
))
|
||||
.unwrap();
|
||||
let bv1 = BoundedVariable::new(
|
||||
BoundedVariableId::new("compressor_speed"),
|
||||
50.0,
|
||||
20.0,
|
||||
80.0,
|
||||
)
|
||||
.unwrap();
|
||||
let bv2 = BoundedVariable::new(
|
||||
BoundedVariableId::new("valve_opening"),
|
||||
0.5,
|
||||
0.1,
|
||||
1.0,
|
||||
)
|
||||
.unwrap();
|
||||
let bv3 = BoundedVariable::new(
|
||||
BoundedVariableId::new("fan_speed"),
|
||||
0.8,
|
||||
0.2,
|
||||
1.0,
|
||||
)
|
||||
.unwrap();
|
||||
sys.add_bounded_variable(bv1).unwrap();
|
||||
sys.add_bounded_variable(bv2).unwrap();
|
||||
sys.add_bounded_variable(bv3).unwrap();
|
||||
sys.link_constraint_to_control(
|
||||
&ConstraintId::new("capacity"),
|
||||
&BoundedVariableId::new("compressor_speed"),
|
||||
)
|
||||
.unwrap();
|
||||
sys.link_constraint_to_control(
|
||||
&ConstraintId::new("superheat"),
|
||||
&BoundedVariableId::new("valve_opening"),
|
||||
)
|
||||
.unwrap();
|
||||
sys.link_constraint_to_control(
|
||||
&ConstraintId::new("pressure"),
|
||||
&BoundedVariableId::new("fan_speed"),
|
||||
)
|
||||
.unwrap();
|
||||
|
||||
let state_len = sys.state_vector_len();
|
||||
let state = vec![300000.0f64; state_len];
|
||||
let control_values = vec![0.7_f64, 0.5_f64, 0.8_f64];
|
||||
let row_offset = 0;
|
||||
|
||||
let jac = sys.compute_inverse_control_jacobian(&state, row_offset, &control_values);
|
||||
|
||||
let control_offset = sys.state_vector_len();
|
||||
let mut found = [[false; 3]; 3];
|
||||
for &(row, col, val) in &jac {
|
||||
if col >= control_offset {
|
||||
let i = row - row_offset;
|
||||
let j = col - control_offset;
|
||||
if i < 3 && j < 3 && val.abs() > 1e-10 {
|
||||
found[i][j] = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for i in 0..3 {
|
||||
for j in 0..3 {
|
||||
assert!(
|
||||
found[i][j],
|
||||
"3x3 Jacobian entry ({},{}) is missing or zero — expected dense block",
|
||||
i,
|
||||
j
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Verifies that the MIMO Jacobian cross-derivatives are consistent:
|
||||
/// perturbing control j affects constraint i in a predictable direction.
|
||||
#[test]
|
||||
fn test_mimo_cross_derivatives_have_consistent_signs() {
|
||||
let mut sys = build_two_component_cycle();
|
||||
|
||||
sys.add_constraint(Constraint::new(
|
||||
ConstraintId::new("capacity"),
|
||||
ComponentOutput::Capacity {
|
||||
component_id: "evaporator".to_string(),
|
||||
},
|
||||
5000.0,
|
||||
))
|
||||
.unwrap();
|
||||
sys.add_constraint(Constraint::new(
|
||||
ConstraintId::new("superheat"),
|
||||
ComponentOutput::Superheat {
|
||||
component_id: "evaporator".to_string(),
|
||||
},
|
||||
5.0,
|
||||
))
|
||||
.unwrap();
|
||||
let bv1 = BoundedVariable::new(
|
||||
BoundedVariableId::new("compressor_speed"),
|
||||
50.0,
|
||||
20.0,
|
||||
80.0,
|
||||
)
|
||||
.unwrap();
|
||||
let bv2 = BoundedVariable::new(
|
||||
BoundedVariableId::new("valve_opening"),
|
||||
0.5,
|
||||
0.1,
|
||||
1.0,
|
||||
)
|
||||
.unwrap();
|
||||
sys.add_bounded_variable(bv1).unwrap();
|
||||
sys.add_bounded_variable(bv2).unwrap();
|
||||
sys.link_constraint_to_control(
|
||||
&ConstraintId::new("capacity"),
|
||||
&BoundedVariableId::new("compressor_speed"),
|
||||
)
|
||||
.unwrap();
|
||||
sys.link_constraint_to_control(
|
||||
&ConstraintId::new("superheat"),
|
||||
&BoundedVariableId::new("valve_opening"),
|
||||
)
|
||||
.unwrap();
|
||||
|
||||
let state_len = sys.state_vector_len();
|
||||
let state = vec![300000.0f64; state_len];
|
||||
let control_values = vec![0.7_f64, 0.5_f64];
|
||||
|
||||
let jac = sys.compute_inverse_control_jacobian(&state, 0, &control_values);
|
||||
|
||||
// Collect all derivatives as (row, col, value)
|
||||
let control_offset = sys.state_vector_len();
|
||||
let entries: Vec<(usize, usize, f64)> = jac
|
||||
.into_iter()
|
||||
.filter(|&(_, col, _)| col >= control_offset)
|
||||
.map(|(r, c, v)| (r, c - control_offset, v))
|
||||
.collect();
|
||||
|
||||
// All derivatives should be finite
|
||||
for &(i, j, v) in &entries {
|
||||
assert!(
|
||||
v.is_finite(),
|
||||
"Jacobian entry (constraint={}, control={}) is not finite: {}",
|
||||
i,
|
||||
j,
|
||||
v
|
||||
);
|
||||
}
|
||||
|
||||
// Diagonal entries should exist and be non-zero (structural check for mock components)
|
||||
let diagonal: Vec<f64> = entries
|
||||
.iter()
|
||||
.filter(|&&(r, c, _)| r == c)
|
||||
.map(|&(_, _, v)| v.abs())
|
||||
.collect();
|
||||
let off_diagonal: Vec<f64> = entries
|
||||
.iter()
|
||||
.filter(|&&(r, c, _)| r != c)
|
||||
.map(|&(_, _, v)| v.abs())
|
||||
.collect();
|
||||
|
||||
assert!(
|
||||
!diagonal.is_empty(),
|
||||
"Should have diagonal Jacobian entries"
|
||||
);
|
||||
assert!(
|
||||
!off_diagonal.is_empty(),
|
||||
"Should have off-diagonal (cross-coupling) Jacobian entries"
|
||||
);
|
||||
// Note: diagonal dominance is a physical property not guaranteed by mock components.
|
||||
}
|
||||
|
||||
/// Helper: builds a three-component system for 3x3 MIMO testing.
|
||||
fn build_three_component_system() -> System {
|
||||
let mut sys = System::new();
|
||||
let comp = sys.add_component(mock(2)); // compressor
|
||||
let evap = sys.add_component(mock(2)); // evaporator
|
||||
let cond = sys.add_component(mock(2)); // condenser
|
||||
sys.add_edge(comp, evap).unwrap();
|
||||
sys.add_edge(evap, cond).unwrap();
|
||||
sys.add_edge(cond, comp).unwrap();
|
||||
sys.register_component_name("compressor", comp);
|
||||
sys.register_component_name("evaporator", evap);
|
||||
sys.register_component_name("condenser", cond);
|
||||
sys.finalize().unwrap();
|
||||
sys
|
||||
}
|
||||
|
||||
@@ -195,8 +195,9 @@ fn test_real_cycle_inverse_control_integration() {
|
||||
|
||||
// Evaluate constraints
|
||||
let measured = sys.extract_constraint_values_with_controls(&state, &control_values);
|
||||
let count = sys.compute_constraint_residuals(&state, &mut residuals[state_len..], &measured);
|
||||
|
||||
let count = sys.compute_constraint_residuals(&state, &mut residuals[state_len..], &measured)
|
||||
.expect("constraint residuals should compute");
|
||||
|
||||
assert_eq!(count, 2, "Should have computed 2 constraint residuals");
|
||||
|
||||
// Evaluate jacobian
|
||||
|
||||
@@ -2,114 +2,372 @@
|
||||
//!
|
||||
//! Tests cover:
|
||||
//! - Round-trip serialization (system → JSON → system)
|
||||
//! - Topology preservation (nodes, edges, component types)
|
||||
//! - Constraint and bounded variable preservation
|
||||
//! - Thermal coupling preservation
|
||||
//! - Version compatibility checks
|
||||
//! - Backend validation
|
||||
//! - File save/load round-trip
|
||||
//! - Human-readable JSON format
|
||||
|
||||
use entropyk_components::{Compressor, FluidId, Port};
|
||||
use entropyk_core::{Enthalpy, Pressure};
|
||||
use entropyk_solver::System;
|
||||
use entropyk_core::{CircuitId, Enthalpy, Pressure, ThermalConductance};
|
||||
use entropyk_solver::{System, ThermalCoupling};
|
||||
use serde_json::{json, Value};
|
||||
|
||||
#[test]
|
||||
fn test_simple_system_round_trip() {
|
||||
// Create a simple system with one component
|
||||
/// Helper: create a minimal system with a single compressor component.
|
||||
fn build_single_compressor_system() -> System {
|
||||
let mut system = System::new();
|
||||
|
||||
// Create compressor with Ahri540 coefficients
|
||||
let coefficients = entropyk_components::Ahri540Coefficients::new(
|
||||
0.85, // m1
|
||||
2.5, // m2
|
||||
500.0, // m3
|
||||
1500.0, // m4
|
||||
-2.5, // m5
|
||||
1.8, // m6
|
||||
600.0, // m7
|
||||
1600.0, // m8
|
||||
-3.0, // m9
|
||||
2.0, // m10
|
||||
0.85, 2.5, 500.0, 1500.0, -2.5, 1.8, 600.0, 1600.0, -3.0, 2.0,
|
||||
);
|
||||
|
||||
// Create disconnected ports
|
||||
let port_suction = Port::new(
|
||||
FluidId::new("R134a"),
|
||||
Pressure::from_bar(2.0),
|
||||
Enthalpy::from_joules_per_kg(400000.0),
|
||||
);
|
||||
|
||||
let port_discharge = Port::new(
|
||||
FluidId::new("R134a"),
|
||||
Pressure::from_bar(10.0),
|
||||
Enthalpy::from_joules_per_kg(450000.0),
|
||||
);
|
||||
|
||||
// Create disconnected compressor
|
||||
let disconnected_compressor = Compressor::new(
|
||||
let disconnected = Compressor::new(
|
||||
coefficients,
|
||||
port_suction,
|
||||
port_discharge,
|
||||
2900.0, // speed_rpm
|
||||
0.0001, // displacement_m3_per_rev
|
||||
0.85, // mechanical_efficiency
|
||||
).expect("Failed to create compressor");
|
||||
2900.0,
|
||||
0.0001,
|
||||
0.85,
|
||||
)
|
||||
.expect("Failed to create compressor");
|
||||
|
||||
// Connect the ports (this converts to Compressor<Connected>)
|
||||
let suction_port = Port::new(
|
||||
let connected = disconnected
|
||||
.connect(
|
||||
Port::new(
|
||||
FluidId::new("R134a"),
|
||||
Pressure::from_bar(2.0),
|
||||
Enthalpy::from_joules_per_kg(400000.0),
|
||||
),
|
||||
Port::new(
|
||||
FluidId::new("R134a"),
|
||||
Pressure::from_bar(10.0),
|
||||
Enthalpy::from_joules_per_kg(450000.0),
|
||||
),
|
||||
)
|
||||
.expect("Failed to connect compressor");
|
||||
|
||||
let node = system.add_component(Box::new(connected));
|
||||
system.register_component_name("compressor", node);
|
||||
|
||||
system
|
||||
}
|
||||
|
||||
/// Helper: create a system with two components and an edge between them,
|
||||
/// plus a thermal coupling.
|
||||
fn build_two_component_system() -> System {
|
||||
let mut system = System::new();
|
||||
|
||||
let coefficients = entropyk_components::Ahri540Coefficients::new(
|
||||
0.85, 2.5, 500.0, 1500.0, -2.5, 1.8, 600.0, 1600.0, -3.0, 2.0,
|
||||
);
|
||||
|
||||
// Create compressor
|
||||
let port_s = Port::new(
|
||||
FluidId::new("R134a"),
|
||||
Pressure::from_bar(2.0),
|
||||
Enthalpy::from_joules_per_kg(400000.0),
|
||||
);
|
||||
|
||||
let discharge_port = Port::new(
|
||||
let port_d = Port::new(
|
||||
FluidId::new("R134a"),
|
||||
Pressure::from_bar(10.0),
|
||||
Enthalpy::from_joules_per_kg(450000.0),
|
||||
);
|
||||
let comp = Compressor::new(coefficients, port_s, port_d, 2900.0, 0.0001, 0.85)
|
||||
.expect("create compressor")
|
||||
.connect(
|
||||
Port::new(
|
||||
FluidId::new("R134a"),
|
||||
Pressure::from_bar(2.0),
|
||||
Enthalpy::from_joules_per_kg(400000.0),
|
||||
),
|
||||
Port::new(
|
||||
FluidId::new("R134a"),
|
||||
Pressure::from_bar(10.0),
|
||||
Enthalpy::from_joules_per_kg(450000.0),
|
||||
),
|
||||
)
|
||||
.expect("connect compressor");
|
||||
|
||||
let connected_compressor = disconnected_compressor
|
||||
.connect(suction_port, discharge_port)
|
||||
.expect("Failed to connect compressor");
|
||||
let node_comp = system.add_component(Box::new(comp));
|
||||
system.register_component_name("compressor", node_comp);
|
||||
|
||||
// Add to system as Box<dyn Component>
|
||||
system.add_component(Box::new(connected_compressor));
|
||||
// Create a second compressor (acting as condenser proxy)
|
||||
let coefficients2 = entropyk_components::Ahri540Coefficients::new(
|
||||
0.9, 3.0, 600.0, 1400.0, -1.5, 2.0, 700.0, 1700.0, -2.0, 1.5,
|
||||
);
|
||||
let port_s2 = Port::new(
|
||||
FluidId::new("R134a"),
|
||||
Pressure::from_bar(10.0),
|
||||
Enthalpy::from_joules_per_kg(450000.0),
|
||||
);
|
||||
let port_d2 = Port::new(
|
||||
FluidId::new("R134a"),
|
||||
Pressure::from_bar(8.0),
|
||||
Enthalpy::from_joules_per_kg(420000.0),
|
||||
);
|
||||
let comp2 = Compressor::new(coefficients2, port_s2, port_d2, 2900.0, 0.00012, 0.88)
|
||||
.expect("create comp2")
|
||||
.connect(
|
||||
Port::new(
|
||||
FluidId::new("R134a"),
|
||||
Pressure::from_bar(10.0),
|
||||
Enthalpy::from_joules_per_kg(450000.0),
|
||||
),
|
||||
Port::new(
|
||||
FluidId::new("R134a"),
|
||||
Pressure::from_bar(8.0),
|
||||
Enthalpy::from_joules_per_kg(420000.0),
|
||||
),
|
||||
)
|
||||
.expect("connect comp2");
|
||||
|
||||
// Test to_json_string and from_json_string
|
||||
let node_comp2 = system.add_component(Box::new(comp2));
|
||||
system.register_component_name("condenser", node_comp2);
|
||||
|
||||
// Add edge between them
|
||||
system.add_edge(node_comp, node_comp2).expect("add edge");
|
||||
|
||||
// Add thermal coupling
|
||||
let coupling = ThermalCoupling::new(
|
||||
CircuitId(0),
|
||||
CircuitId(0),
|
||||
ThermalConductance::from_watts_per_kelvin(500.0),
|
||||
);
|
||||
let _ = system.add_thermal_coupling(coupling);
|
||||
|
||||
system
|
||||
}
|
||||
|
||||
// ────────────────────────────────────────────────────────────────────────
|
||||
// Test 1: Topology round-trip
|
||||
// ────────────────────────────────────────────────────────────────────────
|
||||
|
||||
#[test]
|
||||
fn test_topology_round_trip() {
|
||||
let original = build_two_component_system();
|
||||
|
||||
let json_str = original.to_json_string().expect("Serialization failed");
|
||||
let restored = System::from_json_string(&json_str).expect("Deserialization failed");
|
||||
|
||||
// Verify topology is identical
|
||||
assert_eq!(
|
||||
original.node_count(),
|
||||
restored.node_count(),
|
||||
"Node count mismatch"
|
||||
);
|
||||
assert_eq!(
|
||||
original.edge_count(),
|
||||
restored.edge_count(),
|
||||
"Edge count mismatch"
|
||||
);
|
||||
assert_eq!(
|
||||
original.thermal_coupling_count(),
|
||||
restored.thermal_coupling_count(),
|
||||
"Thermal coupling count mismatch"
|
||||
);
|
||||
|
||||
// Verify component names are preserved (order-independent since deserialization sorts keys)
|
||||
let mut original_names: Vec<&str> = original.registered_component_names().collect();
|
||||
let mut restored_names: Vec<&str> = restored.registered_component_names().collect();
|
||||
original_names.sort();
|
||||
restored_names.sort();
|
||||
assert_eq!(original_names, restored_names, "Component names mismatch");
|
||||
|
||||
// Verify component types via the JSON snapshot
|
||||
let parsed: Value = serde_json::from_str(&json_str).expect("JSON parse");
|
||||
let params = parsed.get("parameters").expect("parameters field");
|
||||
assert!(params.get("compressor").is_some(), "compressor in params");
|
||||
assert!(params.get("condenser").is_some(), "condenser in params");
|
||||
}
|
||||
|
||||
// ────────────────────────────────────────────────────────────────────────
|
||||
// Test 3: Constraints preservation
|
||||
// ────────────────────────────────────────────────────────────────────────
|
||||
|
||||
#[test]
|
||||
fn test_constraints_preserved_in_round_trip() {
|
||||
use entropyk_solver::inverse::{ComponentOutput, Constraint, ConstraintId};
|
||||
|
||||
let mut system = build_single_compressor_system();
|
||||
|
||||
// Add a constraint referencing the compressor
|
||||
let constraint = Constraint::new(
|
||||
ConstraintId::new("superheat_ctrl"),
|
||||
ComponentOutput::Superheat {
|
||||
component_id: "compressor".to_string(),
|
||||
},
|
||||
5.0,
|
||||
);
|
||||
system.add_constraint(constraint).expect("add constraint");
|
||||
assert_eq!(system.constraint_count(), 1);
|
||||
|
||||
// Serialize
|
||||
let json_str = system.to_json_string().expect("Serialization failed");
|
||||
|
||||
// Verify JSON is valid and human-readable
|
||||
let parsed: Value = serde_json::from_str(&json_str).expect("JSON parsing failed");
|
||||
assert!(parsed.is_object());
|
||||
assert!(parsed.get("version").is_some());
|
||||
assert_eq!(parsed["version"], "1.0");
|
||||
// Verify constraints are in the JSON
|
||||
let parsed: Value = serde_json::from_str(&json_str).expect("JSON parse");
|
||||
let constraints = parsed.get("constraints").expect("constraints field");
|
||||
assert!(constraints.is_array());
|
||||
assert_eq!(constraints.as_array().unwrap().len(), 1);
|
||||
|
||||
// Deserialize
|
||||
let restored_system = System::from_json_string(&json_str).expect("Deserialization failed");
|
||||
let c = &constraints.as_array().unwrap()[0];
|
||||
assert_eq!(c["id"], "superheat_ctrl");
|
||||
assert_eq!(c["component"], "compressor");
|
||||
assert_eq!(c["target"], 5.0);
|
||||
|
||||
// Verify the system is reconstructed
|
||||
// (Full component reconstruction will be implemented in future tasks)
|
||||
assert!(true);
|
||||
// Verify the constraint snapshot round-trips through serde
|
||||
let snapshot: entropyk_solver::SystemSnapshot =
|
||||
serde_json::from_str(&json_str).expect("snapshot parse");
|
||||
assert_eq!(snapshot.constraints.len(), 1);
|
||||
assert_eq!(snapshot.constraints[0].id, "superheat_ctrl");
|
||||
assert_eq!(snapshot.constraints[0].component, "compressor");
|
||||
assert!((snapshot.constraints[0].target - 5.0).abs() < 1e-12);
|
||||
}
|
||||
|
||||
// ────────────────────────────────────────────────────────────────────────
|
||||
// Test 4: Thermal couplings preservation
|
||||
// ────────────────────────────────────────────────────────────────────────
|
||||
|
||||
#[test]
|
||||
fn test_thermal_couplings_preserved_in_round_trip() {
|
||||
let original = build_two_component_system();
|
||||
|
||||
let json_str = original.to_json_string().expect("Serialization failed");
|
||||
|
||||
// Verify thermal couplings in JSON
|
||||
let parsed: Value = serde_json::from_str(&json_str).expect("JSON parse");
|
||||
let couplings = parsed
|
||||
.get("topology")
|
||||
.and_then(|t| t.get("thermalCouplings"))
|
||||
.expect("thermal couplings in topology");
|
||||
assert!(couplings.is_array());
|
||||
assert_eq!(couplings.as_array().unwrap().len(), 1);
|
||||
|
||||
let c = &couplings.as_array().unwrap()[0];
|
||||
assert_eq!(c["hotCircuit"], 0);
|
||||
assert_eq!(c["coldCircuit"], 0);
|
||||
|
||||
// Verify the snapshot round-trips
|
||||
let snapshot: entropyk_solver::SystemSnapshot =
|
||||
serde_json::from_str(&json_str).expect("snapshot parse");
|
||||
assert_eq!(snapshot.topology.thermal_couplings.len(), 1);
|
||||
assert_eq!(snapshot.topology.thermal_couplings[0].hot_circuit, CircuitId(0));
|
||||
assert_eq!(snapshot.topology.thermal_couplings[0].cold_circuit, CircuitId(0));
|
||||
|
||||
// Verify ua value round-trip
|
||||
let ua_val = snapshot.topology.thermal_couplings[0].ua.to_watts_per_kelvin();
|
||||
assert!((ua_val - 500.0).abs() < 1e-6, "UA value mismatch: {}", ua_val);
|
||||
}
|
||||
|
||||
// ────────────────────────────────────────────────────────────────────────
|
||||
// Test 5: File save/load round-trip
|
||||
// ────────────────────────────────────────────────────────────────────────
|
||||
|
||||
#[test]
|
||||
fn test_file_save_and_load() {
|
||||
let system = build_two_component_system();
|
||||
|
||||
let temp_dir = std::env::temp_dir();
|
||||
let file_path = temp_dir.join("entropyk_test_round_trip.json");
|
||||
|
||||
// Save
|
||||
system.save_json(&file_path).expect("Save failed");
|
||||
assert!(file_path.exists());
|
||||
|
||||
// Load
|
||||
let loaded = System::load_json(&file_path).expect("Load failed");
|
||||
|
||||
// Verify topology matches
|
||||
assert_eq!(system.node_count(), loaded.node_count());
|
||||
assert_eq!(system.edge_count(), loaded.edge_count());
|
||||
assert_eq!(
|
||||
system.thermal_coupling_count(),
|
||||
loaded.thermal_coupling_count()
|
||||
);
|
||||
|
||||
// Clean up
|
||||
std::fs::remove_file(&file_path).ok();
|
||||
}
|
||||
|
||||
// ────────────────────────────────────────────────────────────────────────
|
||||
// Test 6: Missing backend error
|
||||
// ────────────────────────────────────────────────────────────────────────
|
||||
|
||||
#[test]
|
||||
fn test_missing_backend_returns_error() {
|
||||
// AC5: missing backend must produce an explicit error
|
||||
let json_with_unknown_backend = json!({
|
||||
"version": "1.0",
|
||||
"topology": {
|
||||
"edges": [],
|
||||
"thermalCouplings": []
|
||||
},
|
||||
"parameters": {},
|
||||
"fluidBackend": {
|
||||
"name": "NonExistentBackend",
|
||||
"version": "99.0.0"
|
||||
}
|
||||
})
|
||||
.to_string();
|
||||
|
||||
let result = System::from_json_string(&json_with_unknown_backend);
|
||||
assert!(result.is_err(), "Should fail with BackendUnavailable for unknown backend");
|
||||
}
|
||||
|
||||
// ────────────────────────────────────────────────────────────────────────
|
||||
// Test 7: Version mismatch error
|
||||
// ────────────────────────────────────────────────────────────────────────
|
||||
|
||||
#[test]
|
||||
fn test_version_mismatch() {
|
||||
let json_with_wrong_version = json!({
|
||||
"version": "999.0", // Incompatible version
|
||||
"version": "99.0",
|
||||
"topology": {
|
||||
"edges": [],
|
||||
"thermal_couplings": []
|
||||
"thermalCouplings": []
|
||||
},
|
||||
"parameters": {},
|
||||
"fluid_backend": {
|
||||
"fluidBackend": {
|
||||
"name": "TestBackend",
|
||||
"version": "1.0.0",
|
||||
"hash": "abc123"
|
||||
}
|
||||
}).to_string();
|
||||
})
|
||||
.to_string();
|
||||
|
||||
let result = System::from_json_string(&json_with_wrong_version);
|
||||
assert!(result.is_err());
|
||||
// Just verify it's an error - don't try to unwrap
|
||||
assert!(true);
|
||||
assert!(result.is_err(), "Should fail with version mismatch");
|
||||
}
|
||||
|
||||
// ────────────────────────────────────────────────────────────────────────
|
||||
// Additional: JSON human-readable and deterministic
|
||||
// ────────────────────────────────────────────────────────────────────────
|
||||
|
||||
#[test]
|
||||
fn test_simple_system_round_trip() {
|
||||
let system = build_single_compressor_system();
|
||||
let json_str = system.to_json_string().expect("Serialization failed");
|
||||
|
||||
let parsed: Value = serde_json::from_str(&json_str).expect("JSON parsing failed");
|
||||
assert!(parsed.is_object());
|
||||
assert_eq!(parsed["version"], "1.0");
|
||||
|
||||
// Single isolated component should fail finalize during deserialization
|
||||
let result = System::from_json_string(&json_str);
|
||||
assert!(result.is_err(), "Isolated node should fail deserialization");
|
||||
}
|
||||
|
||||
#[test]
|
||||
@@ -117,43 +375,60 @@ fn test_json_is_human_readable() {
|
||||
let system = System::new();
|
||||
let json_str = system.to_json_string().expect("Serialization failed");
|
||||
|
||||
// Check that JSON is pretty-printed (contains newlines and indentation)
|
||||
assert!(json_str.contains('\n'));
|
||||
assert!(json_str.contains(" ")); // Indentation
|
||||
assert!(json_str.contains(" "));
|
||||
|
||||
// Verify it's valid JSON
|
||||
let _: Value = serde_json::from_str(&json_str).expect("Should be valid JSON");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_deterministic_serialization() {
|
||||
let system = System::new();
|
||||
|
||||
// Note: HashMap-based fields (parameters, ComponentParams) may produce
|
||||
// different key ordering across serializations, so we compare parsed
|
||||
// JSON values rather than raw strings.
|
||||
let system = build_single_compressor_system();
|
||||
let json1 = system.to_json_string().expect("Serialization failed");
|
||||
let json2 = system.to_json_string().expect("Serialization failed");
|
||||
|
||||
// Same system should produce same JSON
|
||||
assert_eq!(json1, json2);
|
||||
let val1: Value = serde_json::from_str(&json1).expect("parse json1");
|
||||
let val2: Value = serde_json::from_str(&json2).expect("parse json2");
|
||||
assert_eq!(val1, val2, "Same system should produce identical JSON (structurally)");
|
||||
}
|
||||
|
||||
// ────────────────────────────────────────────────────────────────────────
|
||||
// Test: Bounded variables in snapshot
|
||||
// ────────────────────────────────────────────────────────────────────────
|
||||
|
||||
#[test]
|
||||
fn test_file_save_and_load() {
|
||||
let system = System::new();
|
||||
let temp_dir = std::env::temp_dir();
|
||||
let file_path = temp_dir.join("test_system.json");
|
||||
fn test_bounded_variables_in_snapshot() {
|
||||
use entropyk_solver::inverse::{BoundedVariable, BoundedVariableId};
|
||||
|
||||
// Save to file
|
||||
system.save_json(&file_path).expect("Save failed");
|
||||
let mut system = build_single_compressor_system();
|
||||
|
||||
// Verify file exists
|
||||
assert!(file_path.exists());
|
||||
let valve =
|
||||
BoundedVariable::with_component(BoundedVariableId::new("valve"), "compressor", 0.5, 0.0, 1.0)
|
||||
.expect("create bounded var");
|
||||
system.add_bounded_variable(valve).expect("add bounded var");
|
||||
|
||||
// Load from file
|
||||
let _loaded_system = System::load_json(&file_path).expect("Load failed");
|
||||
let json_str = system.to_json_string().expect("Serialization failed");
|
||||
let parsed: Value = serde_json::from_str(&json_str).expect("JSON parse");
|
||||
|
||||
// Clean up
|
||||
std::fs::remove_file(&file_path).ok();
|
||||
let bounded = parsed.get("boundedVariables").expect("boundedVariables field");
|
||||
assert!(bounded.is_array());
|
||||
assert_eq!(bounded.as_array().unwrap().len(), 1);
|
||||
|
||||
// Verify system is reconstructed
|
||||
assert!(true);
|
||||
let bv = &bounded.as_array().unwrap()[0];
|
||||
assert_eq!(bv["id"], "valve");
|
||||
assert_eq!(bv["component"], "compressor");
|
||||
assert!((bv["initialValue"].as_f64().unwrap() - 0.5).abs() < 1e-12);
|
||||
|
||||
// Verify snapshot round-trip
|
||||
let snapshot: entropyk_solver::SystemSnapshot =
|
||||
serde_json::from_str(&json_str).expect("snapshot parse");
|
||||
assert_eq!(snapshot.bounded_variables.len(), 1);
|
||||
assert_eq!(snapshot.bounded_variables[0].id, "valve");
|
||||
assert_eq!(snapshot.bounded_variables[0].component, "compressor");
|
||||
assert!((snapshot.bounded_variables[0].initial_value - 0.5).abs() < 1e-12);
|
||||
assert!((snapshot.bounded_variables[0].lower_bound - 0.0).abs() < 1e-12);
|
||||
assert!((snapshot.bounded_variables[0].upper_bound - 1.0).abs() < 1e-12);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user