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qualia_core_db/specialized_libs/engineering_analysis/
fluid.rs

1use super::*;
2
3/// Fluid analyzer for fluid dynamics analysis
4pub struct FluidAnalyzer {
5    computational_fluid_dynamics: ComputationalFluidDynamics,
6    pipe_flow: PipeFlow,
7    open_channel_flow: OpenChannelFlow,
8}
9
10/// Computational fluid dynamics
11pub struct ComputationalFluidDynamics {
12    navier_stokes_solver: NavierStokesSolver,
13    turbulence_modeling: TurbulenceModeling,
14    mesh_generator: CFDMeshGenerator,
15}
16
17/// Navier-Stokes solver
18#[derive(Debug, Clone)]
19pub struct NavierStokesSolver {
20    pub solver_type: NSSolverType,
21    pub discretization_scheme: DiscretizationScheme,
22}
23
24/// NS solver types
25#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
26pub enum NSSolverType {
27    FiniteVolume,
28    FiniteElement,
29    Spectral,
30    LatticeBoltzmann,
31}
32
33/// Discretization schemes
34#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
35pub enum DiscretizationScheme {
36    Upwind,
37    Central,
38    HighResolution,
39    TVD,
40}
41
42/// Turbulence modeling
43#[derive(Debug, Clone)]
44pub struct TurbulenceModeling {
45    pub turbulence_model: TurbulenceModel,
46    pub model_parameters: TurbulenceParameters,
47}
48
49/// Turbulence models
50#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
51pub enum TurbulenceModel {
52    RANS,
53    LES,
54    DNS,
55    Hybrid,
56}
57
58/// Turbulence parameters
59#[derive(Debug, Clone, Serialize, Deserialize)]
60pub struct TurbulenceParameters {
61    pub reynolds_number: f64,
62    pub turbulence_intensity: f64,
63    pub length_scale: f64,
64}
65
66/// CFD mesh generator
67#[derive(Debug, Clone)]
68pub struct CFDMeshGenerator {
69    pub mesh_type: MeshType,
70    pub mesh_refinement: MeshRefinement,
71}
72
73/// Mesh refinement
74#[derive(Debug, Clone)]
75pub struct MeshRefinement {
76    pub refinement_criteria: Vec<RefinementCriterion>,
77    pub refinement_levels: Vec<u32>,
78}
79
80/// Refinement criteria
81#[derive(Debug, Clone)]
82pub struct RefinementCriterion {
83    pub criterion_name: String,
84    pub threshold_value: f64,
85}
86
87/// Pipe flow
88#[derive(Debug, Clone)]
89pub struct PipeFlow {
90    pub pipe_geometry: PipeGeometry,
91    pub flow_regime: FlowRegime,
92    pub pressure_drop: f64,
93}
94
95/// Pipe geometry
96#[derive(Debug, Clone, Serialize, Deserialize)]
97pub struct PipeGeometry {
98    pub diameter: f64,
99    pub length: f64,
100    pub roughness: f64,
101}
102
103/// Flow regimes
104#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
105pub enum FlowRegime {
106    Laminar,
107    Turbulent,
108    Transitional,
109}
110
111/// Open channel flow
112#[derive(Debug, Clone)]
113pub struct OpenChannelFlow {
114    pub channel_geometry: ChannelGeometry,
115    pub flow_type: FlowType,
116    pub hydraulic_radius: f64,
117}
118
119/// Channel geometry
120#[derive(Debug, Clone, Serialize, Deserialize)]
121pub struct ChannelGeometry {
122    pub cross_section: CrossSection,
123    pub slope: f64,
124    pub manning_coefficient: f64,
125}
126
127/// Cross sections
128#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
129pub enum CrossSection {
130    Rectangular,
131    Trapezoidal,
132    Circular,
133    Triangular,
134}
135
136/// Flow types
137#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
138pub enum FlowType {
139    Subcritical,
140    Critical,
141    Supercritical,
142}
143impl FluidAnalyzer {
144    pub fn new() -> Self {
145        Self {
146            computational_fluid_dynamics: ComputationalFluidDynamics::new(),
147            pipe_flow: PipeFlow::new(),
148            open_channel_flow: OpenChannelFlow::new(),
149        }
150    }
151
152    pub fn initialize(&mut self) -> Result<(), EngineeringError> {
153        self.computational_fluid_dynamics.initialize()?;
154        Ok(())
155    }
156
157    /// Borrow the pipe-flow sub-component.
158    pub fn pipe_flow(&self) -> &PipeFlow {
159        &self.pipe_flow
160    }
161
162    /// Mutably borrow the pipe-flow sub-component.
163    pub fn pipe_flow_mut(&mut self) -> &mut PipeFlow {
164        &mut self.pipe_flow
165    }
166
167    /// Borrow the open-channel-flow sub-component.
168    pub fn open_channel_flow(&self) -> &OpenChannelFlow {
169        &self.open_channel_flow
170    }
171
172    /// Mutably borrow the open-channel-flow sub-component.
173    pub fn open_channel_flow_mut(&mut self) -> &mut OpenChannelFlow {
174        &mut self.open_channel_flow
175    }
176
177    pub fn validate_model(&self, model: &EngineeringModel) -> Result<(), EngineeringError> {
178        if model.geometry.dimensions.is_empty() {
179            return Err(EngineeringError::ValidationError(
180                "Model must have dimensions".to_string(),
181            ));
182        }
183        Ok(())
184    }
185
186    pub fn analyze(
187        &mut self,
188        model: &EngineeringModel,
189        analysis_type: AnalysisType,
190    ) -> Result<AnalysisResults, EngineeringError> {
191        // Runs the real 2-D incompressible Navier–Stokes solver in `cfd.rs`
192        // (LBM/D2Q9, Chorin-consistent) over the model's [Lx, Ly] domain. This
193        // used to return NotImplemented even though `cfd::run_cfd` was fully
194        // built and tested — the solver was disconnected from its own entry
195        // point. Defaults are the lid-driven cavity (`CfdBc::default`) at the
196        // library-default Reynolds number on a bounded 32×32 grid; a caller
197        // needing other physics can drive `cfd::run_cfd` directly with its own
198        // boundary conditions / solver config.
199        self.validate_model(model)?;
200        let bc = cfd::CfdBc::default();
201        let cfg = cfd::SolverConfig::default();
202        let solution = cfd::run_cfd(model, bc, cfg, 32, 32)?;
203        Ok(cfd::cfd_to_analysis_results(
204            &solution,
205            model,
206            analysis_type,
207        ))
208    }
209}
210
211impl ComputationalFluidDynamics {
212    pub fn new() -> Self {
213        Self {
214            navier_stokes_solver: NavierStokesSolver::new(),
215            turbulence_modeling: TurbulenceModeling::new(),
216            mesh_generator: CFDMeshGenerator::new(),
217        }
218    }
219
220    pub fn initialize(&mut self) -> Result<(), EngineeringError> {
221        Ok(())
222    }
223
224    /// Borrow the Navier–Stokes solver configuration.
225    pub fn navier_stokes_solver(&self) -> &NavierStokesSolver {
226        &self.navier_stokes_solver
227    }
228
229    /// Mutably borrow the Navier–Stokes solver configuration.
230    pub fn navier_stokes_solver_mut(&mut self) -> &mut NavierStokesSolver {
231        &mut self.navier_stokes_solver
232    }
233
234    /// Borrow the turbulence-modeling configuration.
235    pub fn turbulence_modeling(&self) -> &TurbulenceModeling {
236        &self.turbulence_modeling
237    }
238
239    /// Mutably borrow the turbulence-modeling configuration.
240    pub fn turbulence_modeling_mut(&mut self) -> &mut TurbulenceModeling {
241        &mut self.turbulence_modeling
242    }
243
244    /// Borrow the CFD mesh generator.
245    pub fn mesh_generator(&self) -> &CFDMeshGenerator {
246        &self.mesh_generator
247    }
248
249    /// Mutably borrow the CFD mesh generator.
250    pub fn mesh_generator_mut(&mut self) -> &mut CFDMeshGenerator {
251        &mut self.mesh_generator
252    }
253}
254
255impl NavierStokesSolver {
256    pub fn new() -> Self {
257        Self {
258            solver_type: NSSolverType::FiniteVolume,
259            discretization_scheme: DiscretizationScheme::Upwind,
260        }
261    }
262}
263
264impl TurbulenceModeling {
265    pub fn new() -> Self {
266        Self {
267            turbulence_model: TurbulenceModel::RANS,
268            model_parameters: TurbulenceParameters::new(),
269        }
270    }
271}
272
273impl TurbulenceParameters {
274    pub fn new() -> Self {
275        Self {
276            reynolds_number: 10000.0,
277            turbulence_intensity: 0.05,
278            length_scale: 1.0,
279        }
280    }
281}
282
283impl CFDMeshGenerator {
284    pub fn new() -> Self {
285        Self {
286            mesh_type: MeshType::Unstructured,
287            mesh_refinement: MeshRefinement::new(),
288        }
289    }
290}
291
292impl MeshRefinement {
293    pub fn new() -> Self {
294        Self {
295            refinement_criteria: Vec::new(),
296            refinement_levels: vec![1, 2, 3],
297        }
298    }
299}
300
301impl PipeFlow {
302    pub fn new() -> Self {
303        Self {
304            pipe_geometry: PipeGeometry::new(),
305            flow_regime: FlowRegime::Laminar,
306            pressure_drop: 0.0,
307        }
308    }
309}
310
311impl PipeGeometry {
312    pub fn new() -> Self {
313        Self {
314            diameter: 0.1,
315            length: 10.0,
316            roughness: 0.0001,
317        }
318    }
319}
320
321impl OpenChannelFlow {
322    pub fn new() -> Self {
323        Self {
324            channel_geometry: ChannelGeometry::new(),
325            flow_type: FlowType::Subcritical,
326            hydraulic_radius: 0.05,
327        }
328    }
329}
330
331impl ChannelGeometry {
332    pub fn new() -> Self {
333        Self {
334            cross_section: CrossSection::Rectangular,
335            slope: 0.001,
336            manning_coefficient: 0.025,
337        }
338    }
339}