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 output_freq; 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 // Problem type arguments 100 PetscFunctionList problems; 101 char problem_name[PETSC_MAX_PATH_LEN]; 102 // Test mode arguments 103 PetscBool test_mode; 104 PetscScalar test_tol; 105 char file_path[PETSC_MAX_PATH_LEN]; 106 }; 107 108 // libCEED data struct 109 struct CeedData_private { 110 CeedVector x_coord, q_data; 111 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, 112 qf_apply_outflow_jacobian, qf_apply_freestream, qf_apply_freestream_jacobian; 113 CeedBasis basis_x, basis_xc, basis_q, basis_x_sur, basis_q_sur, basis_xc_sur; 114 CeedElemRestriction elem_restr_x, elem_restr_q, elem_restr_qd_i; 115 CeedOperator op_setup_vol, op_ics; 116 }; 117 118 // PETSc user data 119 struct User_private { 120 MPI_Comm comm; 121 DM dm; 122 DM dm_viz; 123 Mat interp_viz; 124 Ceed ceed; 125 Units units; 126 Vec M, Q_loc, Q_dot_loc; 127 Physics phys; 128 AppCtx app_ctx; 129 CeedVector q_ceed, q_dot_ceed, g_ceed, coo_values_amat, coo_values_pmat, x_ceed; 130 CeedOperator op_rhs_vol, op_rhs, op_ifunction_vol, op_ifunction, op_ijacobian, op_dirichlet; 131 bool matrices_set_up; 132 CeedScalar time, dt; 133 }; 134 135 // Units 136 struct Units_private { 137 // fundamental units 138 PetscScalar meter; 139 PetscScalar kilogram; 140 PetscScalar second; 141 PetscScalar Kelvin; 142 // derived units 143 PetscScalar Pascal; 144 PetscScalar J_per_kg_K; 145 PetscScalar m_per_squared_s; 146 PetscScalar W_per_m_K; 147 PetscScalar Joule; 148 }; 149 150 // Boundary conditions 151 struct SimpleBC_private { 152 PetscInt num_wall, // Number of faces with wall BCs 153 wall_comps[5], // An array of constrained component numbers 154 num_comps, 155 num_slip[3], // Number of faces with slip BCs 156 num_inflow, num_outflow, num_freestream; 157 PetscInt walls[16], slips[3][16], inflows[16], outflows[16], freestreams[16]; 158 PetscBool user_bc; 159 }; 160 161 // Struct that contains all enums and structs used for the physics of all problems 162 struct Physics_private { 163 WindType wind_type; 164 BubbleType bubble_type; 165 BubbleContinuityType bubble_continuity_type; 166 EulerTestType euler_test; 167 StabilizationType stab; 168 PetscBool implicit; 169 StateVariable state_var; 170 PetscBool has_curr_time; 171 PetscBool has_neumann; 172 CeedContextFieldLabel solution_time_label; 173 CeedContextFieldLabel stg_solution_time_label; 174 CeedContextFieldLabel timestep_size_label; 175 CeedContextFieldLabel ics_time_label; 176 CeedContextFieldLabel ijacobian_time_shift_label; 177 }; 178 179 typedef struct { 180 CeedQFunctionUser qfunction; 181 const char *qfunction_loc; 182 CeedQFunctionContext qfunction_context; 183 } ProblemQFunctionSpec; 184 185 // Problem specific data 186 // *INDENT-OFF* 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 // *INDENT-ON* 200 201 extern int FreeContextPetsc(void *); 202 203 // ----------------------------------------------------------------------------- 204 // Set up problems 205 // ----------------------------------------------------------------------------- 206 // Set up function for each problem 207 extern PetscErrorCode NS_NEWTONIAN_WAVE(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 208 extern PetscErrorCode NS_CHANNEL(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 209 extern PetscErrorCode NS_BLASIUS(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 210 extern PetscErrorCode NS_NEWTONIAN_IG(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 211 extern PetscErrorCode NS_DENSITY_CURRENT(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 212 213 extern PetscErrorCode NS_EULER_VORTEX(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 214 extern PetscErrorCode NS_SHOCKTUBE(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 215 extern PetscErrorCode NS_ADVECTION(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 216 extern PetscErrorCode NS_ADVECTION2D(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 217 218 // Print function for each problem 219 extern PetscErrorCode PRINT_NEWTONIAN(ProblemData *problem, AppCtx app_ctx); 220 221 extern PetscErrorCode PRINT_EULER_VORTEX(ProblemData *problem, AppCtx app_ctx); 222 223 extern PetscErrorCode PRINT_SHOCKTUBE(ProblemData *problem, AppCtx app_ctx); 224 225 extern PetscErrorCode PRINT_ADVECTION(ProblemData *problem, AppCtx app_ctx); 226 227 extern PetscErrorCode PRINT_ADVECTION2D(ProblemData *problem, AppCtx app_ctx); 228 229 // ----------------------------------------------------------------------------- 230 // libCEED functions 231 // ----------------------------------------------------------------------------- 232 // Utility function - essential BC dofs are encoded in closure indices as -(i+1). 233 PetscInt Involute(PetscInt i); 234 235 // Utility function to create local CEED restriction 236 PetscErrorCode CreateRestrictionFromPlex(Ceed ceed, DM dm, CeedInt height, DMLabel domain_label, CeedInt value, CeedElemRestriction *elem_restr); 237 238 // Utility function to get Ceed Restriction for each domain 239 PetscErrorCode GetRestrictionForDomain(Ceed ceed, DM dm, CeedInt height, DMLabel domain_label, PetscInt value, CeedInt Q, CeedInt q_data_size, 240 CeedElemRestriction *elem_restr_q, CeedElemRestriction *elem_restr_x, CeedElemRestriction *elem_restr_qd_i); 241 242 // Utility function to create CEED Composite Operator for the entire domain 243 PetscErrorCode CreateOperatorForDomain(Ceed ceed, DM dm, SimpleBC bc, CeedData ceed_data, Physics phys, CeedOperator op_apply_vol, 244 CeedOperator op_apply_ijacobian_vol, CeedInt height, CeedInt P_sur, CeedInt Q_sur, CeedInt q_data_size_sur, 245 CeedInt jac_data_size_sur, CeedOperator *op_apply, CeedOperator *op_apply_ijacobian); 246 247 PetscErrorCode SetupLibceed(Ceed ceed, CeedData ceed_data, DM dm, User user, AppCtx app_ctx, ProblemData *problem, SimpleBC bc); 248 249 // ----------------------------------------------------------------------------- 250 // Time-stepping functions 251 // ----------------------------------------------------------------------------- 252 // Compute mass matrix for explicit scheme 253 PetscErrorCode ComputeLumpedMassMatrix(Ceed ceed, DM dm, CeedData ceed_data, Vec M); 254 255 // RHS (Explicit time-stepper) function setup 256 PetscErrorCode RHS_NS(TS ts, PetscReal t, Vec Q, Vec G, void *user_data); 257 258 // Implicit time-stepper function setup 259 PetscErrorCode IFunction_NS(TS ts, PetscReal t, Vec Q, Vec Q_dot, Vec G, void *user_data); 260 261 // User provided TS Monitor 262 PetscErrorCode TSMonitor_NS(TS ts, PetscInt step_no, PetscReal time, Vec Q, void *ctx); 263 264 // TS: Create, setup, and solve 265 PetscErrorCode TSSolve_NS(DM dm, User user, AppCtx app_ctx, Physics phys, Vec *Q, PetscScalar *f_time, TS *ts); 266 267 // ----------------------------------------------------------------------------- 268 // Setup DM 269 // ----------------------------------------------------------------------------- 270 // Create mesh 271 PetscErrorCode CreateDM(MPI_Comm comm, ProblemData *problem, MatType, VecType, DM *dm); 272 273 // Set up DM 274 PetscErrorCode SetUpDM(DM dm, ProblemData *problem, PetscInt degree, SimpleBC bc, Physics phys); 275 276 // Refine DM for high-order viz 277 PetscErrorCode VizRefineDM(DM dm, User user, ProblemData *problem, SimpleBC bc, Physics phys); 278 279 // ----------------------------------------------------------------------------- 280 // Process command line options 281 // ----------------------------------------------------------------------------- 282 // Register problems to be available on the command line 283 PetscErrorCode RegisterProblems_NS(AppCtx app_ctx); 284 285 // Process general command line options 286 PetscErrorCode ProcessCommandLineOptions(MPI_Comm comm, AppCtx app_ctx, SimpleBC bc); 287 288 // ----------------------------------------------------------------------------- 289 // Miscellaneous utility functions 290 // ----------------------------------------------------------------------------- 291 PetscErrorCode ICs_FixMultiplicity(DM dm, CeedData ceed_data, User user, Vec Q_loc, Vec Q, CeedScalar time); 292 293 PetscErrorCode DMPlexInsertBoundaryValues_NS(DM dm, PetscBool insert_essential, Vec Q_loc, PetscReal time, Vec face_geom_FVM, Vec cell_geom_FVM, 294 Vec grad_FVM); 295 296 // Compare reference solution values with current test run for CI 297 PetscErrorCode RegressionTests_NS(AppCtx app_ctx, Vec Q); 298 299 // Get error for problems with exact solutions 300 PetscErrorCode GetError_NS(CeedData ceed_data, DM dm, User user, Vec Q, PetscScalar final_time); 301 302 // Post-processing 303 PetscErrorCode PostProcess_NS(TS ts, CeedData ceed_data, DM dm, ProblemData *problem, User user, Vec Q, PetscScalar final_time); 304 305 // -- Gather initial Q values in case of continuation of simulation 306 PetscErrorCode SetupICsFromBinary(MPI_Comm comm, AppCtx app_ctx, Vec Q); 307 308 // Record boundary values from initial condition 309 PetscErrorCode SetBCsFromICs_NS(DM dm, Vec Q, Vec Q_loc); 310 311 // ----------------------------------------------------------------------------- 312 // Boundary Condition Related Functions 313 // ----------------------------------------------------------------------------- 314 315 // Setup StrongBCs that use QFunctions 316 PetscErrorCode SetupStrongBC_Ceed(Ceed ceed, CeedData ceed_data, DM dm, User user, AppCtx app_ctx, ProblemData *problem, SimpleBC bc, CeedInt Q_sur, 317 CeedInt q_data_size_sur); 318 319 PetscErrorCode FreestreamBCSetup(ProblemData *problem, DM dm, void *ctx, NewtonianIdealGasContext newtonian_ig_ctx); 320 321 #endif // libceed_fluids_examples_navier_stokes_h 322