1 // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3 // 4 // SPDX-License-Identifier: BSD-2-Clause 5 // 6 // This file is part of CEED: http://github.com/ceed 7 8 #ifndef libceed_fluids_examples_navier_stokes_h 9 #define libceed_fluids_examples_navier_stokes_h 10 11 #include <ceed.h> 12 #include <petscdm.h> 13 #include <petscdmplex.h> 14 #include <petscsys.h> 15 #include <petscts.h> 16 #include <stdbool.h> 17 18 #include "qfunctions/newtonian_types.h" 19 #include "qfunctions/stabilization_types.h" 20 21 // ----------------------------------------------------------------------------- 22 // PETSc Version 23 // ----------------------------------------------------------------------------- 24 #if PETSC_VERSION_LT(3, 17, 0) 25 #error "PETSc v3.17 or later is required" 26 #endif 27 28 // ----------------------------------------------------------------------------- 29 // Enums 30 // ----------------------------------------------------------------------------- 31 // Translate PetscMemType to CeedMemType 32 static inline CeedMemType MemTypeP2C(PetscMemType mem_type) { return PetscMemTypeDevice(mem_type) ? CEED_MEM_DEVICE : CEED_MEM_HOST; } 33 34 // Advection - Wind Options 35 typedef enum { 36 WIND_ROTATION = 0, 37 WIND_TRANSLATION = 1, 38 } WindType; 39 static const char *const WindTypes[] = {"rotation", "translation", "WindType", "WIND_", NULL}; 40 41 // Advection - Bubble Types 42 typedef enum { 43 BUBBLE_SPHERE = 0, // dim=3 44 BUBBLE_CYLINDER = 1, // dim=2 45 } BubbleType; 46 static const char *const BubbleTypes[] = {"sphere", "cylinder", "BubbleType", "BUBBLE_", NULL}; 47 48 // Advection - Bubble Continuity Types 49 typedef enum { 50 BUBBLE_CONTINUITY_SMOOTH = 0, // Original continuous, smooth shape 51 BUBBLE_CONTINUITY_BACK_SHARP = 1, // Discontinuous, sharp back half shape 52 BUBBLE_CONTINUITY_THICK = 2, // Define a finite thickness 53 } BubbleContinuityType; 54 static const char *const BubbleContinuityTypes[] = {"smooth", "back_sharp", "thick", "BubbleContinuityType", "BUBBLE_CONTINUITY_", NULL}; 55 56 // Euler - test cases 57 typedef enum { 58 EULER_TEST_ISENTROPIC_VORTEX = 0, 59 EULER_TEST_1 = 1, 60 EULER_TEST_2 = 2, 61 EULER_TEST_3 = 3, 62 EULER_TEST_4 = 4, 63 EULER_TEST_5 = 5, 64 } EulerTestType; 65 static const char *const EulerTestTypes[] = {"isentropic_vortex", "test_1", "test_2", "test_3", "test_4", "test_5", 66 "EulerTestType", "EULER_TEST_", NULL}; 67 68 // Stabilization methods 69 static const char *const StabilizationTypes[] = {"none", "SU", "SUPG", "StabilizationType", "STAB_", NULL}; 70 71 // ----------------------------------------------------------------------------- 72 // Structs 73 // ----------------------------------------------------------------------------- 74 // Structs declarations 75 typedef struct AppCtx_private *AppCtx; 76 typedef struct CeedData_private *CeedData; 77 typedef struct User_private *User; 78 typedef struct Units_private *Units; 79 typedef struct SimpleBC_private *SimpleBC; 80 typedef struct Physics_private *Physics; 81 82 // Application context from user command line options 83 struct AppCtx_private { 84 // libCEED arguments 85 char ceed_resource[PETSC_MAX_PATH_LEN]; // libCEED backend 86 PetscInt degree; 87 PetscInt q_extra; 88 // Solver arguments 89 MatType amat_type; 90 PetscBool pmat_pbdiagonal; 91 // Post-processing arguments 92 PetscInt checkpoint_interval; 93 PetscInt viz_refine; 94 PetscInt cont_steps; 95 char cont_file[PETSC_MAX_PATH_LEN]; 96 char cont_time_file[PETSC_MAX_PATH_LEN]; 97 char output_dir[PETSC_MAX_PATH_LEN]; 98 PetscBool add_stepnum2bin; 99 PetscBool checkpoint_vtk; 100 // Problem type arguments 101 PetscFunctionList problems; 102 char problem_name[PETSC_MAX_PATH_LEN]; 103 // Test mode arguments 104 PetscBool test_mode; 105 PetscScalar test_tol; 106 char file_path[PETSC_MAX_PATH_LEN]; 107 }; 108 109 // libCEED data struct 110 struct CeedData_private { 111 CeedVector x_coord, q_data; 112 CeedBasis basis_x, basis_xc, basis_q, basis_x_sur, basis_q_sur, basis_xc_sur; 113 CeedElemRestriction elem_restr_x, elem_restr_q, elem_restr_qd_i; 114 CeedOperator op_setup_vol, op_ics; 115 CeedQFunction qf_setup_vol, qf_ics, qf_rhs_vol, qf_ifunction_vol, qf_setup_sur, qf_apply_inflow, qf_apply_inflow_jacobian, qf_apply_outflow, 116 qf_apply_outflow_jacobian, qf_apply_freestream, qf_apply_freestream_jacobian; 117 }; 118 119 // PETSc user data 120 struct User_private { 121 MPI_Comm comm; 122 DM dm; 123 DM dm_viz; 124 Mat interp_viz; 125 Ceed ceed; 126 Units units; 127 Vec M, Q_loc, Q_dot_loc; 128 Physics phys; 129 AppCtx app_ctx; 130 CeedVector q_ceed, q_dot_ceed, g_ceed, coo_values_amat, coo_values_pmat, x_ceed; 131 CeedOperator op_rhs_vol, op_rhs, op_ifunction_vol, op_ifunction, op_ijacobian, op_dirichlet; 132 bool matrices_set_up; 133 CeedScalar time, dt; 134 }; 135 136 // Units 137 struct Units_private { 138 // fundamental units 139 PetscScalar meter; 140 PetscScalar kilogram; 141 PetscScalar second; 142 PetscScalar Kelvin; 143 // derived units 144 PetscScalar Pascal; 145 PetscScalar J_per_kg_K; 146 PetscScalar m_per_squared_s; 147 PetscScalar W_per_m_K; 148 PetscScalar Joule; 149 }; 150 151 // Boundary conditions 152 struct SimpleBC_private { 153 PetscInt num_wall, // Number of faces with wall BCs 154 wall_comps[5], // An array of constrained component numbers 155 num_comps, 156 num_slip[3], // Number of faces with slip BCs 157 num_inflow, num_outflow, num_freestream; 158 PetscInt walls[16], slips[3][16], inflows[16], outflows[16], freestreams[16]; 159 PetscBool user_bc; 160 }; 161 162 // Struct that contains all enums and structs used for the physics of all problems 163 struct Physics_private { 164 WindType wind_type; 165 BubbleType bubble_type; 166 BubbleContinuityType bubble_continuity_type; 167 EulerTestType euler_test; 168 StabilizationType stab; 169 PetscBool implicit; 170 StateVariable state_var; 171 PetscBool has_curr_time; 172 PetscBool has_neumann; 173 CeedContextFieldLabel solution_time_label; 174 CeedContextFieldLabel stg_solution_time_label; 175 CeedContextFieldLabel timestep_size_label; 176 CeedContextFieldLabel ics_time_label; 177 CeedContextFieldLabel ijacobian_time_shift_label; 178 }; 179 180 typedef struct { 181 CeedQFunctionUser qfunction; 182 const char *qfunction_loc; 183 CeedQFunctionContext qfunction_context; 184 } ProblemQFunctionSpec; 185 186 // Problem specific data 187 typedef struct ProblemData_private ProblemData; 188 struct ProblemData_private { 189 CeedInt dim, q_data_size_vol, q_data_size_sur, jac_data_size_sur; 190 CeedScalar dm_scale; 191 ProblemQFunctionSpec setup_vol, setup_sur, ics, apply_vol_rhs, apply_vol_ifunction, apply_vol_ijacobian, apply_inflow, apply_outflow, 192 apply_freestream, apply_inflow_jacobian, apply_outflow_jacobian, apply_freestream_jacobian; 193 bool non_zero_time; 194 PetscErrorCode (*bc)(PetscInt, PetscReal, const PetscReal[], PetscInt, PetscScalar[], void *); 195 void *bc_ctx; 196 PetscBool bc_from_ics, use_dirichlet_ceed; 197 PetscErrorCode (*print_info)(ProblemData *, AppCtx); 198 }; 199 200 extern int FreeContextPetsc(void *); 201 202 // ----------------------------------------------------------------------------- 203 // Set up problems 204 // ----------------------------------------------------------------------------- 205 // Set up function for each problem 206 extern PetscErrorCode NS_NEWTONIAN_WAVE(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 207 extern PetscErrorCode NS_CHANNEL(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 208 extern PetscErrorCode NS_BLASIUS(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 209 extern PetscErrorCode NS_NEWTONIAN_IG(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 210 extern PetscErrorCode NS_DENSITY_CURRENT(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 211 extern PetscErrorCode NS_EULER_VORTEX(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 212 extern PetscErrorCode NS_SHOCKTUBE(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 213 extern PetscErrorCode NS_ADVECTION(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 214 extern PetscErrorCode NS_ADVECTION2D(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 215 216 // Print function for each problem 217 extern PetscErrorCode PRINT_NEWTONIAN(ProblemData *problem, AppCtx app_ctx); 218 219 extern PetscErrorCode PRINT_EULER_VORTEX(ProblemData *problem, AppCtx app_ctx); 220 221 extern PetscErrorCode PRINT_SHOCKTUBE(ProblemData *problem, AppCtx app_ctx); 222 223 extern PetscErrorCode PRINT_ADVECTION(ProblemData *problem, AppCtx app_ctx); 224 225 extern PetscErrorCode PRINT_ADVECTION2D(ProblemData *problem, AppCtx app_ctx); 226 227 // ----------------------------------------------------------------------------- 228 // libCEED functions 229 // ----------------------------------------------------------------------------- 230 // Utility function - essential BC dofs are encoded in closure indices as -(i+1). 231 PetscInt Involute(PetscInt i); 232 233 // Utility function to create local CEED restriction 234 PetscErrorCode CreateRestrictionFromPlex(Ceed ceed, DM dm, CeedInt height, DMLabel domain_label, CeedInt value, CeedElemRestriction *elem_restr); 235 236 // Utility function to get Ceed Restriction for each domain 237 PetscErrorCode GetRestrictionForDomain(Ceed ceed, DM dm, CeedInt height, DMLabel domain_label, PetscInt value, CeedInt Q, CeedInt q_data_size, 238 CeedElemRestriction *elem_restr_q, CeedElemRestriction *elem_restr_x, CeedElemRestriction *elem_restr_qd_i); 239 240 // Utility function to create CEED Composite Operator for the entire domain 241 PetscErrorCode CreateOperatorForDomain(Ceed ceed, DM dm, SimpleBC bc, CeedData ceed_data, Physics phys, CeedOperator op_apply_vol, 242 CeedOperator op_apply_ijacobian_vol, CeedInt height, CeedInt P_sur, CeedInt Q_sur, CeedInt q_data_size_sur, 243 CeedInt jac_data_size_sur, CeedOperator *op_apply, CeedOperator *op_apply_ijacobian); 244 245 PetscErrorCode SetupLibceed(Ceed ceed, CeedData ceed_data, DM dm, User user, AppCtx app_ctx, ProblemData *problem, SimpleBC bc); 246 247 // ----------------------------------------------------------------------------- 248 // Time-stepping functions 249 // ----------------------------------------------------------------------------- 250 // Compute mass matrix for explicit scheme 251 PetscErrorCode ComputeLumpedMassMatrix(Ceed ceed, DM dm, CeedData ceed_data, Vec M); 252 253 // RHS (Explicit time-stepper) function setup 254 PetscErrorCode RHS_NS(TS ts, PetscReal t, Vec Q, Vec G, void *user_data); 255 256 // Implicit time-stepper function setup 257 PetscErrorCode IFunction_NS(TS ts, PetscReal t, Vec Q, Vec Q_dot, Vec G, void *user_data); 258 259 // User provided TS Monitor 260 PetscErrorCode TSMonitor_NS(TS ts, PetscInt step_no, PetscReal time, Vec Q, void *ctx); 261 262 // TS: Create, setup, and solve 263 PetscErrorCode TSSolve_NS(DM dm, User user, AppCtx app_ctx, Physics phys, Vec *Q, PetscScalar *f_time, TS *ts); 264 265 // ----------------------------------------------------------------------------- 266 // Setup DM 267 // ----------------------------------------------------------------------------- 268 // Create mesh 269 PetscErrorCode CreateDM(MPI_Comm comm, ProblemData *problem, MatType, VecType, DM *dm); 270 271 // Set up DM 272 PetscErrorCode SetUpDM(DM dm, ProblemData *problem, PetscInt degree, SimpleBC bc, Physics phys); 273 274 // Refine DM for high-order viz 275 PetscErrorCode VizRefineDM(DM dm, User user, ProblemData *problem, SimpleBC bc, Physics phys); 276 277 // ----------------------------------------------------------------------------- 278 // Process command line options 279 // ----------------------------------------------------------------------------- 280 // Register problems to be available on the command line 281 PetscErrorCode RegisterProblems_NS(AppCtx app_ctx); 282 283 // Process general command line options 284 PetscErrorCode ProcessCommandLineOptions(MPI_Comm comm, AppCtx app_ctx, SimpleBC bc); 285 286 // ----------------------------------------------------------------------------- 287 // Miscellaneous utility functions 288 // ----------------------------------------------------------------------------- 289 PetscErrorCode ICs_FixMultiplicity(DM dm, CeedData ceed_data, User user, Vec Q_loc, Vec Q, CeedScalar time); 290 291 PetscErrorCode DMPlexInsertBoundaryValues_NS(DM dm, PetscBool insert_essential, Vec Q_loc, PetscReal time, Vec face_geom_FVM, Vec cell_geom_FVM, 292 Vec grad_FVM); 293 294 // Compare reference solution values with current test run for CI 295 PetscErrorCode RegressionTests_NS(AppCtx app_ctx, Vec Q); 296 297 // Get error for problems with exact solutions 298 PetscErrorCode GetError_NS(CeedData ceed_data, DM dm, User user, Vec Q, PetscScalar final_time); 299 300 // Post-processing 301 PetscErrorCode PostProcess_NS(TS ts, CeedData ceed_data, DM dm, ProblemData *problem, User user, Vec Q, PetscScalar final_time); 302 303 // -- Gather initial Q values in case of continuation of simulation 304 PetscErrorCode SetupICsFromBinary(MPI_Comm comm, AppCtx app_ctx, Vec Q); 305 306 // Record boundary values from initial condition 307 PetscErrorCode SetBCsFromICs_NS(DM dm, Vec Q, Vec Q_loc); 308 309 // ----------------------------------------------------------------------------- 310 // Boundary Condition Related Functions 311 // ----------------------------------------------------------------------------- 312 313 // Setup StrongBCs that use QFunctions 314 PetscErrorCode SetupStrongBC_Ceed(Ceed ceed, CeedData ceed_data, DM dm, User user, AppCtx app_ctx, ProblemData *problem, SimpleBC bc, CeedInt Q_sur, 315 CeedInt q_data_size_sur); 316 317 PetscErrorCode FreestreamBCSetup(ProblemData *problem, DM dm, void *ctx, NewtonianIdealGasContext newtonian_ig_ctx, const StatePrimitive *reference); 318 319 #endif // libceed_fluids_examples_navier_stokes_h 320