qualia_core_db/specialized_libs/engineering_analysis/

thermal.rs

use super::*;

/// Thermal analyzer for thermal engineering analysis
pub struct ThermalAnalyzer {
    heat_transfer: HeatTransfer,
    thermal_stress: ThermalStress,
    thermal_analysis: ThermalAnalysis,
    /// Phase 2 physics-simulation library for coupled thermal analysis.
    physics_simulation: Option<Arc<Mutex<PhysicsSimulationLibrary>>>,
    /// Phase 2 statistical-computing library for stochastic thermal analysis.
    statistical_computing: Option<Arc<Mutex<StatisticalComputingLibrary>>>,
}

/// Heat transfer
pub struct HeatTransfer {
    conduction: Conduction,
    convection: Convection,
    radiation: Radiation,
}

/// Conduction
#[derive(Debug, Clone)]
pub struct Conduction {
    pub thermal_conductivity: f64,
    pub temperature_gradient: Vec<f64>,
    pub heat_flux: f64,
}

/// Convection
#[derive(Debug, Clone)]
pub struct Convection {
    pub convection_type: ConvectionType,
    pub heat_transfer_coefficient: f64,
    pub ambient_temperature: f64,
}

/// Convection types
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub enum ConvectionType {
    Natural,
    Forced,
    Mixed,
}

/// Radiation
#[derive(Debug, Clone)]
pub struct Radiation {
    pub emissivity: f64,
    pub view_factor: f64,
    pub stefan_boltzmann: f64,
}

/// Thermal stress
#[derive(Debug, Clone)]
pub struct ThermalStress {
    pub thermal_expansion: f64,
    pub temperature_change: f64,
    pub stress_distribution: Vec<f64>,
}

/// Thermal analysis
#[derive(Debug, Clone)]
pub struct ThermalAnalysis {
    pub steady_state: SteadyState,
    pub transient: Transient,
}

/// Steady state
#[derive(Debug, Clone)]
pub struct SteadyState {
    pub temperature_distribution: Vec<f64>,
    pub heat_flux: Vec<f64>,
}

/// Transient
#[derive(Debug, Clone)]
pub struct Transient {
    pub time_history: Vec<(f64, Vec<f64>)>,
    pub thermal_time_constant: f64,
}
impl ThermalAnalyzer {
    pub fn new() -> Self {
        Self {
            heat_transfer: HeatTransfer::new(),
            thermal_stress: ThermalStress::new(),
            thermal_analysis: ThermalAnalysis::new(),
            physics_simulation: None,
            statistical_computing: None,
        }
    }

    pub fn attach_physics_simulation(&mut self, lib: Option<Arc<Mutex<PhysicsSimulationLibrary>>>) {
        self.physics_simulation = lib;
    }

    /// Attach the Phase 2 statistical-computing library for stochastic thermal analysis.
    pub fn attach_statistical_computing(
        &mut self,
        lib: Option<Arc<Mutex<StatisticalComputingLibrary>>>,
    ) {
        self.statistical_computing = lib;
    }

    pub fn initialize(&mut self) -> Result<(), EngineeringError> {
        Ok(())
    }

    pub fn validate_model(&self, model: &EngineeringModel) -> Result<(), EngineeringError> {
        if model.geometry.dimensions.is_empty() {
            return Err(EngineeringError::ValidationError(
                "Model must have dimensions".to_string(),
            ));
        }
        Ok(())
    }

    pub fn analyze(
        &mut self,
        model: &EngineeringModel,
        analysis_type: AnalysisType,
    ) -> Result<AnalysisResults, EngineeringError> {
        // REAL: 1-D steady-state heat conduction (Fourier's law), solved on a
        // finite-difference mesh with the tridiagonal Thomas algorithm, from the
        // model's thermal conductivity, geometry length, boundary conditions
        // (Temperature ⇒ Dirichlet, HeatFlux ⇒ Neumann) and any volumetric heat
        // generation expressed in the geometry features. Returns a real
        // temperature field + heat-flux field; missing/ill-posed inputs return
        // InsufficientData rather than a fabricated default. (Full 2-D/3-D FE
        // thermal is a larger subsystem and is flagged, not faked.)
        thermal_conduction::analyze_conduction(
            model,
            analysis_type,
            self.physics_simulation.clone(),
            self.statistical_computing.clone(),
        )
    }

    /// Borrow the heat-transfer sub-component.
    pub fn heat_transfer(&self) -> &HeatTransfer {
        &self.heat_transfer
    }

    /// Mutably borrow the heat-transfer sub-component.
    pub fn heat_transfer_mut(&mut self) -> &mut HeatTransfer {
        &mut self.heat_transfer
    }

    /// Borrow the thermal-stress sub-component.
    pub fn thermal_stress(&self) -> &ThermalStress {
        &self.thermal_stress
    }

    /// Mutably borrow the thermal-stress sub-component.
    pub fn thermal_stress_mut(&mut self) -> &mut ThermalStress {
        &mut self.thermal_stress
    }

    /// Borrow the thermal-analysis sub-component.
    pub fn thermal_analysis(&self) -> &ThermalAnalysis {
        &self.thermal_analysis
    }

    /// Mutably borrow the thermal-analysis sub-component.
    pub fn thermal_analysis_mut(&mut self) -> &mut ThermalAnalysis {
        &mut self.thermal_analysis
    }
}

impl HeatTransfer {
    pub fn new() -> Self {
        Self {
            conduction: Conduction::new(),
            convection: Convection::new(),
            radiation: Radiation::new(),
        }
    }

    /// Borrow the conduction sub-component.
    pub fn conduction(&self) -> &Conduction {
        &self.conduction
    }

    /// Mutably borrow the conduction sub-component.
    pub fn conduction_mut(&mut self) -> &mut Conduction {
        &mut self.conduction
    }

    /// Borrow the convection sub-component.
    pub fn convection(&self) -> &Convection {
        &self.convection
    }

    /// Mutably borrow the convection sub-component.
    pub fn convection_mut(&mut self) -> &mut Convection {
        &mut self.convection
    }

    /// Borrow the radiation sub-component.
    pub fn radiation(&self) -> &Radiation {
        &self.radiation
    }

    /// Mutably borrow the radiation sub-component.
    pub fn radiation_mut(&mut self) -> &mut Radiation {
        &mut self.radiation
    }
}

impl Conduction {
    pub fn new() -> Self {
        Self {
            thermal_conductivity: 50.0,
            temperature_gradient: vec![0.0; 3],
            heat_flux: 0.0,
        }
    }
}

impl Convection {
    pub fn new() -> Self {
        Self {
            convection_type: ConvectionType::Natural,
            heat_transfer_coefficient: 10.0,
            ambient_temperature: 20.0,
        }
    }
}

impl Radiation {
    pub fn new() -> Self {
        Self {
            emissivity: 0.8,
            view_factor: 1.0,
            stefan_boltzmann: 5.67e-8,
        }
    }
}

impl ThermalStress {
    pub fn new() -> Self {
        Self {
            thermal_expansion: 12e-6,
            temperature_change: 100.0,
            stress_distribution: Vec::new(),
        }
    }
}

impl ThermalAnalysis {
    pub fn new() -> Self {
        Self {
            steady_state: SteadyState::new(),
            transient: Transient::new(),
        }
    }
}

impl SteadyState {
    pub fn new() -> Self {
        Self {
            temperature_distribution: Vec::new(),
            heat_flux: Vec::new(),
        }
    }
}

impl Transient {
    pub fn new() -> Self {
        Self {
            time_history: Vec::new(),
            thermal_time_constant: 100.0,
        }
    }
}