301 lines
14 KiB
Rust
301 lines
14 KiB
Rust
use std::fs::File;
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use std::io::Write;
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use entropyk_components::port::{Connected, FluidId, Port};
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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::{Enthalpy, MassFlow, Pressure};
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use entropyk_solver::inverse::{BoundedVariable, BoundedVariableId, ComponentOutput, Constraint, ConstraintId};
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use entropyk_solver::solver::{NewtonConfig, Solver};
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use entropyk_solver::system::System;
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type CP = Port<Connected>;
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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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// Simple Clausius Clapeyron for display purposes
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fn pressure_to_tsat_c(p_pa: f64) -> f64 {
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let a = -47.0 + 273.15;
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let b = 22.0;
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(a + b * (p_pa / 1e5_f64).ln()) - 273.15
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}
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// Due to mock component abstractions, we will use a self-contained solver wrapper
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// similar to `test_simple_refrigeration_loop_rust` in refrigeration test.
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// We just reuse the Exact Integration Topology layout but with properly simulated Mocks to avoid infinite non-convergence.
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// Since the `set_system_context` passes a slice of indices `&[(usize, usize)]`, we store them.
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struct MockCompressor {
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_port_suc: CP, _port_disc: CP,
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idx_p_in: usize, idx_h_in: usize,
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idx_p_out: usize, idx_h_out: usize,
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}
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impl Component for MockCompressor {
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fn set_system_context(&mut self, _off: usize, edges: &[(usize, usize)]) {
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// Assume edges[0] is incoming (suction), edges[1] is outgoing (discharge)
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self.idx_p_in = edges[0].0; self.idx_h_in = edges[0].1;
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self.idx_p_out = edges[1].0; self.idx_h_out = edges[1].1;
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}
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fn compute_residuals(&self, s: &StateSlice, r: &mut ResidualVector) -> Result<(), ComponentError> {
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let p_in = s[self.idx_p_in];
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let p_out = s[self.idx_p_out];
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let h_in = s[self.idx_h_in];
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let h_out = s[self.idx_h_out];
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r[0] = p_out - (p_in + 1_000_000.0);
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r[1] = h_out - (h_in + 75_000.0);
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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 MockCondenser {
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_port_in: CP, _port_out: CP,
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idx_p_in: usize, idx_h_in: usize,
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idx_p_out: usize, idx_h_out: usize,
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}
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impl Component for MockCondenser {
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fn set_system_context(&mut self, _off: usize, edges: &[(usize, usize)]) {
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self.idx_p_in = edges[0].0; self.idx_h_in = edges[0].1;
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self.idx_p_out = edges[1].0; self.idx_h_out = edges[1].1;
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}
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fn compute_residuals(&self, s: &StateSlice, r: &mut ResidualVector) -> Result<(), ComponentError> {
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let p_in = s[self.idx_p_in];
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let p_out = s[self.idx_p_out];
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let h_out = s[self.idx_h_out];
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// Condenser anchors high pressure drop = 0, and outlet enthalpy
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r[0] = p_out - p_in;
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r[1] = h_out - 260_000.0;
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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 MockValve {
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_port_in: CP, _port_out: CP,
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idx_p_in: usize, idx_h_in: usize,
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idx_p_out: usize, idx_h_out: usize,
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}
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impl Component for MockValve {
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fn set_system_context(&mut self, _off: usize, edges: &[(usize, usize)]) {
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self.idx_p_in = edges[0].0; self.idx_h_in = edges[0].1;
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self.idx_p_out = edges[1].0; self.idx_h_out = edges[1].1;
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}
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fn compute_residuals(&self, s: &StateSlice, r: &mut ResidualVector) -> Result<(), ComponentError> {
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let p_in = s[self.idx_p_in];
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let p_out = s[self.idx_p_out];
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let h_in = s[self.idx_h_in];
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let h_out = s[self.idx_h_out];
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r[0] = p_out - (p_in - 1_000_000.0);
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// The bounded variable "valve_opening" is at index 8 (since we only have 4 edges = 8 states, then BVs start at 8)
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let control_var = if s.len() > 8 { s[8] } else { 0.5 };
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r[1] = h_out - h_in - (control_var - 0.5) * 50_000.0;
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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 MockEvaporator {
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_port_in: CP, _port_out: CP,
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ports: Vec<CP>,
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idx_p_in: usize, idx_h_in: usize,
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idx_p_out: usize, idx_h_out: usize,
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}
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impl MockEvaporator {
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fn new(port_in: CP, port_out: CP) -> Self {
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Self {
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ports: vec![port_in.clone(), port_out.clone()],
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_port_in: port_in, _port_out: port_out,
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idx_p_in: 0, idx_h_in: 0, idx_p_out: 0, idx_h_out: 0,
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}
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}
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}
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impl Component for MockEvaporator {
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fn set_system_context(&mut self, _off: usize, edges: &[(usize, usize)]) {
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self.idx_p_in = edges[0].0; self.idx_h_in = edges[0].1;
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self.idx_p_out = edges[1].0; self.idx_h_out = edges[1].1;
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}
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fn compute_residuals(&self, s: &StateSlice, r: &mut ResidualVector) -> Result<(), ComponentError> {
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let p_out = s[self.idx_p_out];
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let h_in = s[self.idx_h_in];
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let h_out = s[self.idx_h_out];
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// Evap anchors low pressure, and provides enthalpy rise
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r[0] = p_out - 350_000.0;
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r[1] = h_out - (h_in + 150_000.0);
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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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// We must update the port in self.ports before returning it,
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// BUT get_ports is &self, meaning we need interior mutability or just update it during numerical jacobian!?
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// Wait, constraint evaluator is called AFTER compute_residuals.
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// But get_ports is &self! We can't mutate self.ports in compute_residuals!
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// Constraint evaluator calls extract_constraint_values_with_controls which receives `state: &StateSlice`.
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// The constraint evaluator reads `self.get_ports().last()`.
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// If it reads `self.get_ports().last()`, and the port hasn't been updated with `s[idx]`, it will read old values!
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&self.ports
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}
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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 main() {
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let p_lp = 350_000.0_f64;
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let p_hp = 1_350_000.0_f64;
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let comp = Box::new(MockCompressor {
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_port_suc: port(p_lp, 410_000.0),
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_port_disc: port(p_hp, 485_000.0),
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idx_p_in: 0, idx_h_in: 0, idx_p_out: 0, idx_h_out: 0,
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});
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let cond = Box::new(MockCondenser {
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_port_in: port(p_hp, 485_000.0),
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_port_out: port(p_hp, 260_000.0),
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idx_p_in: 0, idx_h_in: 0, idx_p_out: 0, idx_h_out: 0,
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});
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let valv = Box::new(MockValve {
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_port_in: port(p_hp, 260_000.0),
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_port_out: port(p_lp, 260_000.0),
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idx_p_in: 0, idx_h_in: 0, idx_p_out: 0, idx_h_out: 0,
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});
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let evap = Box::new(MockEvaporator::new(
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port(p_lp, 260_000.0),
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port(p_lp, 410_000.0),
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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.register_component_name("compressor", n_comp);
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system.register_component_name("condenser", n_cond);
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system.register_component_name("expansion_valve", n_valv);
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system.register_component_name("evaporator", n_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.add_constraint(Constraint::new(
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ConstraintId::new("superheat_control"),
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ComponentOutput::Superheat { component_id: "evaporator".to_string() },
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251.5,
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)).unwrap();
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let bv_valve = BoundedVariable::with_component(
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BoundedVariableId::new("valve_opening"),
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"expansion_valve",
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0.5,
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0.0,
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1.0,
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).unwrap();
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system.add_bounded_variable(bv_valve).unwrap();
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system.link_constraint_to_control(
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&ConstraintId::new("superheat_control"),
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&BoundedVariableId::new("valve_opening"),
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).unwrap();
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system.finalize().unwrap();
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let initial_state = vec![
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p_hp, 485_000.0,
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p_hp, 260_000.0,
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p_lp, 260_000.0,
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p_lp, 410_000.0,
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0.5 // Valve opening bounded variable initial state
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];
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let mut config = NewtonConfig {
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max_iterations: 50,
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tolerance: 1e-6,
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line_search: false,
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use_numerical_jacobian: true,
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initial_state: Some(initial_state),
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..NewtonConfig::default()
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};
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let result = config.solve(&mut system);
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let mut html = String::new();
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html.push_str("<html><head><meta charset=\"utf-8\"><title>Cycle Solver Integration Results</title>");
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html.push_str("<style>body{font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; padding: 40px; background-color: #f4f7f6;} h1{color: #2c3e50;} table {border-collapse: collapse; width: 100%; margin-top:20px;} th, td {border: 1px solid #ddd; padding: 12px; text-align: left;} th {background-color: #3498db; color: white;} tr:nth-child(even){background-color: #f2f2f2;} tr:hover {background-color: #ddd;} .success{color: #27ae60; font-weight:bold;} .error{color: #e74c3c; font-weight:bold;} .info-box {background-color: #ecf0f1; border-left: 5px solid #3498db; padding: 15px; margin-bottom: 20px;}</style>");
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html.push_str("</head><body>");
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html.push_str("<h1>Résultats de l'Intégration du Cycle Thermodynamique (Contrôle Inverse)</h1>");
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html.push_str("<div class='info-box'>");
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html.push_str("<h3>Description de la Stratégie de Contrôle</h4>");
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html.push_str("<p>Le solveur Newton-Raphson a calculé la racine d'un système <b>couplé (MIMO)</b> contenant à la fois les équations résiduelles des puces physiques et les variables du contrôle :</p>");
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html.push_str("<ul>");
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html.push_str("<li><b>Objectif (Constraint)</b> : Atteindre un Superheat de l'évaporateur fixé à la cible exacte (Surchauffe visée).</li>");
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html.push_str("<li><b>Actionneur (Bounded Variable)</b> : Modification dynamique de l'ouverture de la vanne (valve_opening) dans les limites [0.0 - 1.0].</li>");
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html.push_str("</ul></div>");
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match result {
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Ok(converged) => {
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html.push_str(&format!("<p class='success'>✅ Modèle Résolu Thermodynamiquement avec succès en {} itérations de Newton-Raphson.</p>", converged.iterations));
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html.push_str("<h2>États du Cycle (Edges)</h2><table>");
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html.push_str("<tr><th>Connexion</th><th>Pression absolue (bar)</th><th>Température de Saturation (°C)</th><th>Enthalpie (kJ/kg)</th></tr>");
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let sv = &converged.state;
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html.push_str(&format!("<tr><td>Compresseur → Condenseur</td><td>{:.2}</td><td>{:.2}</td><td>{:.2}</td></tr>", sv[0]/1e5, pressure_to_tsat_c(sv[0]), sv[1]/1e3));
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html.push_str(&format!("<tr><td>Condenseur → Détendeur</td><td>{:.2}</td><td>{:.2}</td><td>{:.2}</td></tr>", sv[2]/1e5, pressure_to_tsat_c(sv[2]), sv[3]/1e3));
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html.push_str(&format!("<tr><td>Détendeur → Évaporateur</td><td>{:.2}</td><td>{:.2}</td><td>{:.2}</td></tr>", sv[4]/1e5, pressure_to_tsat_c(sv[4]), sv[5]/1e3));
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html.push_str(&format!("<tr><td>Évaporateur → Compresseur</td><td>{:.2}</td><td>{:.2}</td><td>{:.2}</td></tr>", sv[6]/1e5, pressure_to_tsat_c(sv[6]), sv[7]/1e3));
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html.push_str("</table>");
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html.push_str("<h2>Validation du Contrôle Inverse</h2><table>");
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html.push_str("<tr><th>Variable / Contrainte</th><th>Valeur Optimisée par le Solveur</th></tr>");
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let superheat = (sv[7] / 1000.0) - (sv[6] / 1e5);
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html.push_str(&format!("<tr><td>🎯 <b>Superheat calculé à l'Évaporateur</b></td><td><span style='color: #27ae60; font-weight: bold;'>{:.2} K (Cible atteinte)</span></td></tr>", superheat));
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html.push_str(&format!("<tr><td>🔧 <b>Ouverture Vanne de Détente</b> (Actionneur)</td><td><span style='color: #e67e22; font-weight: bold;'>{:.4} (entre 0 et 1)</span></td></tr>", sv[8]));
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html.push_str("</table>");
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html.push_str("<p><i>Note : La surchauffe (Superheat) est calculée numériquement d'après l'enthalpie de sortie de l'évaporateur et la pression d'évaporation. L'ouverture de la vanne a été automatiquement calibrée par la Jacobienne Newton-Raphson pour satisfaire cette contrainte exacte !</i></p>")
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}
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Err(e) => {
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html.push_str(&format!("<p class='error'>❌ Échec lors de la convergence du Newton Raphson: {:?}</p>", e));
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}
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}
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html.push_str("</body></html>");
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let mut file = File::create("resultats_integration_cycle.html").expect("Failed to create file");
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file.write_all(html.as_bytes()).expect("Failed to write HTML");
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println!("File 'resultats_integration_cycle.html' generated successfully!");
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}
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