1 // SPDX-FileCopyrightText: Copyright (c) 2017-2024, HONEE contributors. 2 // SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause 3 4 /// @file 5 /// Utility functions for setting up problems using the Newtonian Qfunction 6 7 #include "../qfunctions/newtonian.h" 8 9 #include <ceed.h> 10 #include <petscdm.h> 11 12 #include <navierstokes.h> 13 14 // For use with PetscOptionsEnum 15 static const char *const StateVariables[] = {"CONSERVATIVE", "PRIMITIVE", "ENTROPY", "StateVariable", "STATEVAR_", NULL}; 16 17 static PetscErrorCode CheckQWithTolerance(const CeedScalar Q_s[5], const CeedScalar Q_a[5], const CeedScalar Q_b[5], const char *name, 18 PetscReal rtol_0, PetscReal rtol_u, PetscReal rtol_4) { 19 CeedScalar relative_error[5]; // relative error 20 CeedScalar divisor_threshold = 10 * CEED_EPSILON; 21 22 PetscFunctionBeginUser; 23 relative_error[0] = (Q_a[0] - Q_b[0]) / (fabs(Q_s[0]) > divisor_threshold ? Q_s[0] : 1); 24 relative_error[4] = (Q_a[4] - Q_b[4]) / (fabs(Q_s[4]) > divisor_threshold ? Q_s[4] : 1); 25 26 CeedScalar u_magnitude = sqrt(Square(Q_s[1]) + Square(Q_s[2]) + Square(Q_s[3])); 27 CeedScalar u_divisor = u_magnitude > divisor_threshold ? u_magnitude : 1; 28 for (int i = 1; i < 4; i++) { 29 relative_error[i] = (Q_a[i] - Q_b[i]) / u_divisor; 30 } 31 32 if (fabs(relative_error[0]) >= rtol_0) { 33 printf("%s[0] error %g (expected %.10e, got %.10e)\n", name, relative_error[0], Q_s[0], Q_a[0]); 34 } 35 for (int i = 1; i < 4; i++) { 36 if (fabs(relative_error[i]) >= rtol_u) { 37 printf("%s[%d] error %g (expected %.10e, got %.10e)\n", name, i, relative_error[i], Q_s[i], Q_a[i]); 38 } 39 } 40 if (fabs(relative_error[4]) >= rtol_4) { 41 printf("%s[4] error %g (expected %.10e, got %.10e)\n", name, relative_error[4], Q_s[4], Q_a[4]); 42 } 43 PetscFunctionReturn(PETSC_SUCCESS); 44 } 45 46 // @brief Verify `StateFromQ` by converting A0 -> B0 -> A0_test, where A0 should equal A0_test 47 static PetscErrorCode TestState(StateVariable state_var_A, StateVariable state_var_B, NewtonianIdealGasContext gas, const CeedScalar A0[5], 48 CeedScalar rtol_0, CeedScalar rtol_u, CeedScalar rtol_4) { 49 CeedScalar B0[5], A0_test[5]; 50 char buf[128]; 51 const char *const StateVariables_Initial[] = {"U", "Y", "V"}; 52 53 PetscFunctionBeginUser; 54 const char *A_initial = StateVariables_Initial[state_var_A]; 55 const char *B_initial = StateVariables_Initial[state_var_B]; 56 57 State state_A0 = StateFromQ(gas, A0, state_var_A); 58 StateToQ(gas, state_A0, B0, state_var_B); 59 State state_B0 = StateFromQ(gas, B0, state_var_B); 60 StateToQ(gas, state_B0, A0_test, state_var_A); 61 62 snprintf(buf, sizeof buf, "%s->%s->%s: %s", A_initial, B_initial, A_initial, A_initial); 63 PetscCall(CheckQWithTolerance(A0, A0_test, A0, buf, rtol_0, rtol_u, rtol_4)); 64 PetscFunctionReturn(PETSC_SUCCESS); 65 } 66 67 // @brief Verify `StateFromQ_fwd` via a finite difference approximation 68 static PetscErrorCode TestState_fwd(StateVariable state_var_A, StateVariable state_var_B, NewtonianIdealGasContext gas, const CeedScalar A0[5], 69 CeedScalar rtol_0, CeedScalar rtol_u, CeedScalar rtol_4) { 70 CeedScalar eps = 4e-7; // Finite difference step 71 char buf[128]; 72 const char *const StateVariables_Initial[] = {"U", "Y", "V"}; 73 74 PetscFunctionBeginUser; 75 const char *A_initial = StateVariables_Initial[state_var_A]; 76 const char *B_initial = StateVariables_Initial[state_var_B]; 77 State state_0 = StateFromQ(gas, A0, state_var_A); 78 79 for (int i = 0; i < 5; i++) { 80 CeedScalar dB[5] = {0.}, dB_fd[5] = {0.}; 81 { // Calculate dB using State functions 82 CeedScalar dA[5] = {0}; 83 84 dA[i] = A0[i]; 85 State dstate_0 = StateFromQ_fwd(gas, state_0, dA, state_var_A); 86 StateToQ_fwd(gas, state_0, dstate_0, dB, state_var_B); 87 } 88 89 { // Calculate dB_fd via finite difference approximation 90 CeedScalar A1[5], B0[5], B1[5]; 91 92 for (int j = 0; j < 5; j++) A1[j] = (1 + eps * (i == j)) * A0[j]; 93 State state_1 = StateFromQ(gas, A1, state_var_A); 94 StateToQ(gas, state_0, B0, state_var_B); 95 StateToQ(gas, state_1, B1, state_var_B); 96 for (int j = 0; j < 5; j++) dB_fd[j] = (B1[j] - B0[j]) / eps; 97 } 98 99 snprintf(buf, sizeof buf, "d%s->d%s: StateFrom%s_fwd i=%d: d%s", A_initial, B_initial, A_initial, i, B_initial); 100 PetscCall(CheckQWithTolerance(dB_fd, dB, dB_fd, buf, rtol_0, rtol_u, rtol_4)); 101 } 102 PetscFunctionReturn(PETSC_SUCCESS); 103 } 104 105 // @brief Test the Newtonian State transformation functions, `StateFrom*` 106 static PetscErrorCode UnitTests_Newtonian(User user, NewtonianIdealGasContext gas) { 107 Units units = user->units; 108 const CeedScalar kg = units->kilogram, m = units->meter, sec = units->second, K = units->Kelvin; 109 110 PetscFunctionBeginUser; 111 const CeedScalar T = 200 * K; 112 const CeedScalar rho = 1.2 * kg / Cube(m); 113 const CeedScalar P = (HeatCapacityRatio(gas) - 1) * rho * gas->cv * T; 114 const CeedScalar u_base = 40 * m / sec; 115 const CeedScalar u[3] = {u_base, u_base * 1.1, u_base * 1.2}; 116 const CeedScalar e_kinetic = 0.5 * Dot3(u, u); 117 const CeedScalar e_internal = gas->cv * T; 118 const CeedScalar e_total = e_kinetic + e_internal; 119 const CeedScalar gamma = HeatCapacityRatio(gas); 120 const CeedScalar entropy = log(P) - gamma * log(rho); 121 const CeedScalar rho_div_p = rho / P; 122 const CeedScalar Y0[5] = {P, u[0], u[1], u[2], T}; 123 const CeedScalar U0[5] = {rho, rho * u[0], rho * u[1], rho * u[2], rho * e_total}; 124 const CeedScalar V0[5] = {(gamma - entropy) / (gamma - 1) - rho_div_p * (e_kinetic), rho_div_p * u[0], rho_div_p * u[1], rho_div_p * u[2], 125 -rho_div_p}; 126 127 { 128 CeedScalar rtol = 20 * CEED_EPSILON; 129 130 PetscCall(TestState(STATEVAR_PRIMITIVE, STATEVAR_CONSERVATIVE, gas, Y0, rtol, rtol, rtol)); 131 PetscCall(TestState(STATEVAR_PRIMITIVE, STATEVAR_ENTROPY, gas, Y0, rtol, rtol, rtol)); 132 PetscCall(TestState(STATEVAR_CONSERVATIVE, STATEVAR_PRIMITIVE, gas, U0, rtol, rtol, rtol)); 133 PetscCall(TestState(STATEVAR_CONSERVATIVE, STATEVAR_ENTROPY, gas, U0, rtol, rtol, rtol)); 134 PetscCall(TestState(STATEVAR_ENTROPY, STATEVAR_CONSERVATIVE, gas, V0, rtol, rtol, rtol)); 135 PetscCall(TestState(STATEVAR_ENTROPY, STATEVAR_PRIMITIVE, gas, V0, rtol, rtol, rtol)); 136 } 137 138 { 139 CeedScalar rtol = 5e-6; 140 141 PetscCall(TestState_fwd(STATEVAR_PRIMITIVE, STATEVAR_CONSERVATIVE, gas, Y0, rtol, rtol, rtol)); 142 PetscCall(TestState_fwd(STATEVAR_PRIMITIVE, STATEVAR_ENTROPY, gas, Y0, rtol, rtol, rtol)); 143 PetscCall(TestState_fwd(STATEVAR_CONSERVATIVE, STATEVAR_PRIMITIVE, gas, U0, rtol, rtol, rtol)); 144 PetscCall(TestState_fwd(STATEVAR_CONSERVATIVE, STATEVAR_ENTROPY, gas, U0, 10 * rtol, rtol, rtol)); 145 PetscCall(TestState_fwd(STATEVAR_ENTROPY, STATEVAR_CONSERVATIVE, gas, V0, 5 * rtol, rtol, rtol)); 146 PetscCall(TestState_fwd(STATEVAR_ENTROPY, STATEVAR_PRIMITIVE, gas, V0, 5 * rtol, 5 * rtol, 5 * rtol)); 147 } 148 PetscFunctionReturn(PETSC_SUCCESS); 149 } 150 151 // @brief Create CeedOperator for stabilized mass KSP for explicit timestepping 152 // 153 // Only used for SUPG stabilization 154 PetscErrorCode CreateKSPMassOperator_NewtonianStabilized(User user, CeedOperator *op_mass) { 155 Ceed ceed = user->ceed; 156 CeedInt num_comp_q, q_data_size; 157 CeedQFunction qf_mass; 158 CeedElemRestriction elem_restr_q, elem_restr_qd_i; 159 CeedBasis basis_q; 160 CeedVector q_data; 161 CeedQFunctionContext qfctx = NULL; 162 PetscInt dim = 3; 163 164 PetscFunctionBeginUser; 165 { // Get restriction and basis from the RHS function 166 CeedOperator *sub_ops; 167 CeedOperatorField field; 168 PetscInt sub_op_index = 0; // will be 0 for the volume op 169 170 PetscCallCeed(ceed, CeedCompositeOperatorGetSubList(user->op_rhs_ctx->op, &sub_ops)); 171 PetscCallCeed(ceed, CeedOperatorGetFieldByName(sub_ops[sub_op_index], "q", &field)); 172 PetscCallCeed(ceed, CeedOperatorFieldGetElemRestriction(field, &elem_restr_q)); 173 PetscCallCeed(ceed, CeedOperatorFieldGetBasis(field, &basis_q)); 174 175 PetscCallCeed(ceed, CeedOperatorGetFieldByName(sub_ops[sub_op_index], "qdata", &field)); 176 PetscCallCeed(ceed, CeedOperatorFieldGetElemRestriction(field, &elem_restr_qd_i)); 177 PetscCallCeed(ceed, CeedOperatorFieldGetVector(field, &q_data)); 178 179 PetscCallCeed(ceed, CeedOperatorGetContext(sub_ops[sub_op_index], &qfctx)); 180 } 181 182 PetscCallCeed(ceed, CeedElemRestrictionGetNumComponents(elem_restr_q, &num_comp_q)); 183 PetscCallCeed(ceed, CeedElemRestrictionGetNumComponents(elem_restr_qd_i, &q_data_size)); 184 185 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, MassFunction_Newtonian_Conserv, MassFunction_Newtonian_Conserv_loc, &qf_mass)); 186 187 PetscCallCeed(ceed, CeedQFunctionSetContext(qf_mass, qfctx)); 188 PetscCallCeed(ceed, CeedQFunctionSetUserFlopsEstimate(qf_mass, 0)); 189 PetscCallCeed(ceed, CeedQFunctionAddInput(qf_mass, "q_dot", 5, CEED_EVAL_INTERP)); 190 PetscCallCeed(ceed, CeedQFunctionAddInput(qf_mass, "q", 5, CEED_EVAL_INTERP)); 191 PetscCallCeed(ceed, CeedQFunctionAddInput(qf_mass, "qdata", q_data_size, CEED_EVAL_NONE)); 192 PetscCallCeed(ceed, CeedQFunctionAddOutput(qf_mass, "v", 5, CEED_EVAL_INTERP)); 193 PetscCallCeed(ceed, CeedQFunctionAddOutput(qf_mass, "Grad_v", 5 * dim, CEED_EVAL_GRAD)); 194 195 PetscCallCeed(ceed, CeedOperatorCreate(ceed, qf_mass, NULL, NULL, op_mass)); 196 PetscCallCeed(ceed, CeedOperatorSetField(*op_mass, "q_dot", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); 197 PetscCallCeed(ceed, CeedOperatorSetField(*op_mass, "q", elem_restr_q, basis_q, user->q_ceed)); 198 PetscCallCeed(ceed, CeedOperatorSetField(*op_mass, "qdata", elem_restr_qd_i, CEED_BASIS_NONE, q_data)); 199 PetscCallCeed(ceed, CeedOperatorSetField(*op_mass, "v", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); 200 PetscCallCeed(ceed, CeedOperatorSetField(*op_mass, "Grad_v", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); 201 202 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&qfctx)); 203 PetscCallCeed(ceed, CeedQFunctionDestroy(&qf_mass)); 204 PetscFunctionReturn(PETSC_SUCCESS); 205 } 206 207 /** 208 @brief Create RHS CeedOperator for direct projection of divergence of diffusive flux 209 210 @param[in] user `User` object 211 @param[in] ceed_data `CeedData` object 212 @param[in] diff_flux_proj `DivDiffFluxProjectionData` object 213 @param[out] op_rhs Operator to calculate the RHS of the L^2 projection 214 **/ 215 static PetscErrorCode DivDiffFluxProjectionCreateRHS_Direct_NS(User user, CeedData ceed_data, DivDiffFluxProjectionData diff_flux_proj, 216 CeedOperator *op_rhs) { 217 Ceed ceed = user->ceed; 218 NodalProjectionData projection = diff_flux_proj->projection; 219 CeedInt num_comp_q; 220 PetscInt dim, label_value = 0; 221 DMLabel domain_label = NULL; 222 CeedQFunctionContext newtonian_qfctx = NULL; 223 224 PetscFunctionBeginUser; 225 // -- Get Pre-requisite things 226 PetscCall(DMGetDimension(projection->dm, &dim)); 227 PetscCallCeed(ceed, CeedBasisGetNumComponents(ceed_data->basis_q, &num_comp_q)); 228 229 { // Get newtonian QF context 230 CeedOperator *sub_ops; 231 PetscInt sub_op_index = 0; // will be 0 for the volume op 232 233 PetscCallCeed(ceed, CeedCompositeOperatorGetSubList(user->op_ifunction, &sub_ops)); 234 PetscCallCeed(ceed, CeedOperatorGetContext(sub_ops[sub_op_index], &newtonian_qfctx)); 235 } 236 PetscCallCeed(ceed, CeedCompositeOperatorCreate(ceed, op_rhs)); 237 { // Add the volume integral CeedOperator 238 CeedQFunction qf_rhs_volume; 239 CeedOperator op_rhs_volume; 240 CeedVector q_data; 241 CeedElemRestriction elem_restr_qd, elem_restr_diff_flux_volume = NULL; 242 CeedBasis basis_diff_flux = NULL; 243 CeedInt q_data_size; 244 245 PetscCall(DivDiffFluxProjectionGetOperatorFieldData(diff_flux_proj, &elem_restr_diff_flux_volume, &basis_diff_flux, NULL, NULL)); 246 PetscCall(QDataGet(ceed, projection->dm, domain_label, label_value, ceed_data->elem_restr_x, ceed_data->basis_x, ceed_data->x_coord, 247 &elem_restr_qd, &q_data, &q_data_size)); 248 switch (user->phys->state_var) { 249 case STATEVAR_PRIMITIVE: 250 PetscCallCeed(ceed, 251 CeedQFunctionCreateInterior(ceed, 1, DivDiffusiveFluxVolumeRHS_NS_Prim, DivDiffusiveFluxVolumeRHS_NS_Prim_loc, &qf_rhs_volume)); 252 break; 253 case STATEVAR_CONSERVATIVE: 254 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, DivDiffusiveFluxVolumeRHS_NS_Conserv, DivDiffusiveFluxVolumeRHS_NS_Conserv_loc, 255 &qf_rhs_volume)); 256 break; 257 case STATEVAR_ENTROPY: 258 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, DivDiffusiveFluxVolumeRHS_NS_Entropy, DivDiffusiveFluxVolumeRHS_NS_Entropy_loc, 259 &qf_rhs_volume)); 260 break; 261 } 262 263 PetscCallCeed(ceed, CeedQFunctionSetContext(qf_rhs_volume, newtonian_qfctx)); 264 PetscCallCeed(ceed, CeedQFunctionAddInput(qf_rhs_volume, "q", num_comp_q, CEED_EVAL_INTERP)); 265 PetscCallCeed(ceed, CeedQFunctionAddInput(qf_rhs_volume, "Grad_q", num_comp_q * dim, CEED_EVAL_GRAD)); 266 PetscCallCeed(ceed, CeedQFunctionAddInput(qf_rhs_volume, "qdata", q_data_size, CEED_EVAL_NONE)); 267 PetscCallCeed(ceed, CeedQFunctionAddOutput(qf_rhs_volume, "diffusive flux RHS", projection->num_comp * dim, CEED_EVAL_GRAD)); 268 269 PetscCallCeed(ceed, CeedOperatorCreate(ceed, qf_rhs_volume, NULL, NULL, &op_rhs_volume)); 270 PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_volume, "q", ceed_data->elem_restr_q, ceed_data->basis_q, CEED_VECTOR_ACTIVE)); 271 PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_volume, "Grad_q", ceed_data->elem_restr_q, ceed_data->basis_q, CEED_VECTOR_ACTIVE)); 272 PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_volume, "qdata", elem_restr_qd, CEED_BASIS_NONE, q_data)); 273 PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_volume, "diffusive flux RHS", elem_restr_diff_flux_volume, basis_diff_flux, CEED_VECTOR_ACTIVE)); 274 275 PetscCallCeed(ceed, CeedCompositeOperatorAddSub(*op_rhs, op_rhs_volume)); 276 277 PetscCallCeed(ceed, CeedVectorDestroy(&q_data)); 278 PetscCallCeed(ceed, CeedElemRestrictionDestroy(&elem_restr_qd)); 279 PetscCallCeed(ceed, CeedElemRestrictionDestroy(&elem_restr_diff_flux_volume)); 280 PetscCallCeed(ceed, CeedBasisDestroy(&basis_diff_flux)); 281 PetscCallCeed(ceed, CeedOperatorDestroy(&op_rhs_volume)); 282 PetscCallCeed(ceed, CeedQFunctionDestroy(&qf_rhs_volume)); 283 } 284 285 { // Add the boundary integral CeedOperator 286 CeedQFunction qf_rhs_boundary; 287 DMLabel face_sets_label; 288 PetscInt num_face_set_values, *face_set_values; 289 CeedInt q_data_size; 290 291 // -- Build RHS operator 292 switch (user->phys->state_var) { 293 case STATEVAR_PRIMITIVE: 294 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, DivDiffusiveFluxBoundaryRHS_NS_Prim, DivDiffusiveFluxBoundaryRHS_NS_Prim_loc, 295 &qf_rhs_boundary)); 296 break; 297 case STATEVAR_CONSERVATIVE: 298 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, DivDiffusiveFluxBoundaryRHS_NS_Conserv, DivDiffusiveFluxBoundaryRHS_NS_Conserv_loc, 299 &qf_rhs_boundary)); 300 break; 301 case STATEVAR_ENTROPY: 302 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, DivDiffusiveFluxBoundaryRHS_NS_Entropy, DivDiffusiveFluxBoundaryRHS_NS_Entropy_loc, 303 &qf_rhs_boundary)); 304 break; 305 } 306 307 PetscCall(QDataBoundaryGradientGetNumComponents(user->dm, &q_data_size)); 308 PetscCallCeed(ceed, CeedQFunctionSetContext(qf_rhs_boundary, newtonian_qfctx)); 309 PetscCallCeed(ceed, CeedQFunctionAddInput(qf_rhs_boundary, "q", num_comp_q, CEED_EVAL_INTERP)); 310 PetscCallCeed(ceed, CeedQFunctionAddInput(qf_rhs_boundary, "Grad_q", num_comp_q * dim, CEED_EVAL_GRAD)); 311 PetscCallCeed(ceed, CeedQFunctionAddInput(qf_rhs_boundary, "qdata", q_data_size, CEED_EVAL_NONE)); 312 PetscCallCeed(ceed, CeedQFunctionAddOutput(qf_rhs_boundary, "diffusive flux RHS", projection->num_comp, CEED_EVAL_INTERP)); 313 314 PetscCall(DMGetLabel(projection->dm, "Face Sets", &face_sets_label)); 315 PetscCall(DMLabelCreateGlobalValueArray(projection->dm, face_sets_label, &num_face_set_values, &face_set_values)); 316 for (PetscInt f = 0; f < num_face_set_values; f++) { 317 DMLabel face_orientation_label; 318 PetscInt num_orientations_values, *orientation_values; 319 320 { 321 char *face_orientation_label_name; 322 323 PetscCall(DMPlexCreateFaceLabel(projection->dm, face_set_values[f], &face_orientation_label_name)); 324 PetscCall(DMGetLabel(projection->dm, face_orientation_label_name, &face_orientation_label)); 325 PetscCall(PetscFree(face_orientation_label_name)); 326 } 327 PetscCall(DMLabelCreateGlobalValueArray(projection->dm, face_orientation_label, &num_orientations_values, &orientation_values)); 328 for (PetscInt o = 0; o < num_orientations_values; o++) { 329 CeedOperator op_rhs_boundary; 330 CeedBasis basis_q, basis_diff_flux_boundary; 331 CeedElemRestriction elem_restr_qdata, elem_restr_q, elem_restr_diff_flux_boundary; 332 CeedVector q_data; 333 CeedInt q_data_size; 334 PetscInt orientation = orientation_values[o], dm_field_q = 0, height_cell = 0, height_face = 1; 335 336 PetscCall(DMPlexCeedElemRestrictionCreate(ceed, user->dm, face_orientation_label, orientation, height_cell, dm_field_q, &elem_restr_q)); 337 PetscCall(DMPlexCeedBasisCellToFaceCreate(ceed, user->dm, face_orientation_label, orientation, orientation, dm_field_q, &basis_q)); 338 PetscCall(DMPlexCeedElemRestrictionCreate(ceed, projection->dm, face_orientation_label, orientation, height_face, 0, 339 &elem_restr_diff_flux_boundary)); 340 PetscCall(CreateBasisFromPlex(ceed, projection->dm, face_orientation_label, orientation, height_face, 0, &basis_diff_flux_boundary)); 341 PetscCall(QDataBoundaryGradientGet(ceed, user->dm, face_orientation_label, orientation, ceed_data->x_coord, &elem_restr_qdata, &q_data, 342 &q_data_size)); 343 344 PetscCallCeed(ceed, CeedOperatorCreate(ceed, qf_rhs_boundary, NULL, NULL, &op_rhs_boundary)); 345 PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_boundary, "q", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); 346 PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_boundary, "Grad_q", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); 347 PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_boundary, "qdata", elem_restr_qdata, CEED_BASIS_NONE, q_data)); 348 PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_boundary, "diffusive flux RHS", elem_restr_diff_flux_boundary, basis_diff_flux_boundary, 349 CEED_VECTOR_ACTIVE)); 350 351 PetscCallCeed(ceed, CeedCompositeOperatorAddSub(*op_rhs, op_rhs_boundary)); 352 353 PetscCallCeed(ceed, CeedOperatorDestroy(&op_rhs_boundary)); 354 PetscCallCeed(ceed, CeedElemRestrictionDestroy(&elem_restr_qdata)); 355 PetscCallCeed(ceed, CeedElemRestrictionDestroy(&elem_restr_q)); 356 PetscCallCeed(ceed, CeedElemRestrictionDestroy(&elem_restr_diff_flux_boundary)); 357 PetscCallCeed(ceed, CeedBasisDestroy(&basis_q)); 358 PetscCallCeed(ceed, CeedBasisDestroy(&basis_diff_flux_boundary)); 359 PetscCallCeed(ceed, CeedVectorDestroy(&q_data)); 360 } 361 PetscCall(PetscFree(orientation_values)); 362 } 363 PetscCall(PetscFree(face_set_values)); 364 PetscCallCeed(ceed, CeedQFunctionDestroy(&qf_rhs_boundary)); 365 } 366 367 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&newtonian_qfctx)); 368 PetscFunctionReturn(PETSC_SUCCESS); 369 } 370 371 /** 372 @brief Create RHS CeedOperator for indirect projection of divergence of diffusive flux 373 374 @param[in] user `User` object 375 @param[in] ceed_data `CeedData` object 376 @param[in] diff_flux_proj `DivDiffFluxProjectionData` object 377 @param[out] op_rhs Operator to calculate the RHS of the L^2 projection 378 **/ 379 static PetscErrorCode DivDiffFluxProjectionCreateRHS_Indirect_NS(User user, CeedData ceed_data, DivDiffFluxProjectionData diff_flux_proj, 380 CeedOperator *op_rhs) { 381 Ceed ceed = user->ceed; 382 NodalProjectionData projection = diff_flux_proj->projection; 383 CeedBasis basis_diff_flux; 384 CeedElemRestriction elem_restr_diff_flux, elem_restr_qd; 385 CeedVector q_data; 386 CeedInt num_comp_q, q_data_size; 387 PetscInt dim; 388 PetscInt label_value = 0, height = 0, dm_field = 0; 389 DMLabel domain_label = NULL; 390 CeedQFunction qf_rhs; 391 CeedQFunctionContext newtonian_qfctx = NULL; 392 393 PetscFunctionBeginUser; 394 PetscCall(DMGetDimension(projection->dm, &dim)); 395 PetscCallCeed(ceed, CeedBasisGetNumComponents(ceed_data->basis_q, &num_comp_q)); 396 397 { // Get elem_restr_div_diff_flux 398 CeedOperator *sub_ops; 399 PetscInt sub_op_index = 0; // will be 0 for the volume op 400 401 PetscCallCeed(ceed, CeedCompositeOperatorGetSubList(user->op_ifunction, &sub_ops)); 402 PetscCallCeed(ceed, CeedOperatorGetContext(sub_ops[sub_op_index], &newtonian_qfctx)); 403 } 404 PetscCall(DMPlexCeedElemRestrictionCreate(ceed, projection->dm, domain_label, label_value, height, dm_field, &elem_restr_diff_flux)); 405 PetscCall(CreateBasisFromPlex(ceed, projection->dm, domain_label, label_value, height, dm_field, &basis_diff_flux)); 406 PetscCall(QDataGet(ceed, projection->dm, domain_label, label_value, ceed_data->elem_restr_x, ceed_data->basis_x, ceed_data->x_coord, &elem_restr_qd, 407 &q_data, &q_data_size)); 408 409 switch (user->phys->state_var) { 410 case STATEVAR_PRIMITIVE: 411 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, DiffusiveFluxRHS_NS_Prim, DiffusiveFluxRHS_NS_Prim_loc, &qf_rhs)); 412 break; 413 case STATEVAR_CONSERVATIVE: 414 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, DiffusiveFluxRHS_NS_Conserv, DiffusiveFluxRHS_NS_Conserv_loc, &qf_rhs)); 415 break; 416 case STATEVAR_ENTROPY: 417 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, DiffusiveFluxRHS_NS_Entropy, DiffusiveFluxRHS_NS_Entropy_loc, &qf_rhs)); 418 break; 419 } 420 421 PetscCallCeed(ceed, CeedQFunctionSetContext(qf_rhs, newtonian_qfctx)); 422 PetscCallCeed(ceed, CeedQFunctionAddInput(qf_rhs, "q", num_comp_q, CEED_EVAL_INTERP)); 423 PetscCallCeed(ceed, CeedQFunctionAddInput(qf_rhs, "Grad_q", num_comp_q * dim, CEED_EVAL_GRAD)); 424 PetscCallCeed(ceed, CeedQFunctionAddInput(qf_rhs, "qdata", q_data_size, CEED_EVAL_NONE)); 425 PetscCallCeed(ceed, CeedQFunctionAddOutput(qf_rhs, "F_diff RHS", projection->num_comp, CEED_EVAL_INTERP)); 426 427 PetscCallCeed(ceed, CeedOperatorCreate(ceed, qf_rhs, NULL, NULL, op_rhs)); 428 PetscCallCeed(ceed, CeedOperatorSetField(*op_rhs, "q", ceed_data->elem_restr_q, ceed_data->basis_q, CEED_VECTOR_ACTIVE)); 429 PetscCallCeed(ceed, CeedOperatorSetField(*op_rhs, "Grad_q", ceed_data->elem_restr_q, ceed_data->basis_q, CEED_VECTOR_ACTIVE)); 430 PetscCallCeed(ceed, CeedOperatorSetField(*op_rhs, "qdata", elem_restr_qd, CEED_BASIS_NONE, q_data)); 431 PetscCallCeed(ceed, CeedOperatorSetField(*op_rhs, "F_diff RHS", elem_restr_diff_flux, basis_diff_flux, CEED_VECTOR_ACTIVE)); 432 433 PetscCallCeed(ceed, CeedQFunctionDestroy(&qf_rhs)); 434 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&newtonian_qfctx)); 435 PetscCallCeed(ceed, CeedBasisDestroy(&basis_diff_flux)); 436 PetscCallCeed(ceed, CeedVectorDestroy(&q_data)); 437 PetscCallCeed(ceed, CeedElemRestrictionDestroy(&elem_restr_qd)); 438 PetscCallCeed(ceed, CeedElemRestrictionDestroy(&elem_restr_diff_flux)); 439 PetscFunctionReturn(PETSC_SUCCESS); 440 } 441 442 PetscErrorCode NS_NEWTONIAN_IG(ProblemData problem, DM dm, void *ctx, SimpleBC bc) { 443 SetupContext setup_context; 444 User user = *(User *)ctx; 445 CeedInt degree = user->app_ctx->degree; 446 StabilizationType stab; 447 StateVariable state_var; 448 MPI_Comm comm = user->comm; 449 Ceed ceed = user->ceed; 450 PetscBool implicit; 451 PetscBool unit_tests; 452 NewtonianIdealGasContext newtonian_ig_ctx; 453 CeedQFunctionContext newtonian_ig_qfctx; 454 455 PetscFunctionBeginUser; 456 PetscCall(PetscCalloc1(1, &setup_context)); 457 PetscCall(PetscCalloc1(1, &newtonian_ig_ctx)); 458 459 // ------------------------------------------------------ 460 // Setup Generic Newtonian IG Problem 461 // ------------------------------------------------------ 462 problem->jac_data_size_vol = 14; 463 problem->jac_data_size_sur = 11; 464 problem->compute_exact_solution_error = PETSC_FALSE; 465 problem->print_info = PRINT_NEWTONIAN; 466 467 PetscCall(DivDiffFluxProjectionCreate(user, 4, &user->diff_flux_proj)); 468 if (user->diff_flux_proj) { 469 DivDiffFluxProjectionData diff_flux_proj = user->diff_flux_proj; 470 NodalProjectionData projection = diff_flux_proj->projection; 471 472 diff_flux_proj->CreateRHSOperator_Direct = DivDiffFluxProjectionCreateRHS_Direct_NS; 473 diff_flux_proj->CreateRHSOperator_Indirect = DivDiffFluxProjectionCreateRHS_Indirect_NS; 474 475 switch (user->diff_flux_proj->method) { 476 case DIV_DIFF_FLUX_PROJ_DIRECT: { 477 PetscSection section; 478 479 PetscCall(DMGetLocalSection(projection->dm, §ion)); 480 PetscCall(PetscSectionSetFieldName(section, 0, "")); 481 PetscCall(PetscSectionSetComponentName(section, 0, 0, "DivDiffusiveFlux_MomentumX")); 482 PetscCall(PetscSectionSetComponentName(section, 0, 1, "DivDiffusiveFlux_MomentumY")); 483 PetscCall(PetscSectionSetComponentName(section, 0, 2, "DivDiffusiveFlux_MomentumZ")); 484 PetscCall(PetscSectionSetComponentName(section, 0, 3, "DivDiffusiveFlux_Energy")); 485 } break; 486 case DIV_DIFF_FLUX_PROJ_INDIRECT: { 487 PetscSection section; 488 489 PetscCall(DMGetLocalSection(projection->dm, §ion)); 490 PetscCall(PetscSectionSetFieldName(section, 0, "")); 491 PetscCall(PetscSectionSetComponentName(section, 0, 0, "DiffusiveFlux_MomentumXX")); 492 PetscCall(PetscSectionSetComponentName(section, 0, 1, "DiffusiveFlux_MomentumXY")); 493 PetscCall(PetscSectionSetComponentName(section, 0, 2, "DiffusiveFlux_MomentumXZ")); 494 PetscCall(PetscSectionSetComponentName(section, 0, 3, "DiffusiveFlux_MomentumYX")); 495 PetscCall(PetscSectionSetComponentName(section, 0, 4, "DiffusiveFlux_MomentumYY")); 496 PetscCall(PetscSectionSetComponentName(section, 0, 5, "DiffusiveFlux_MomentumYZ")); 497 PetscCall(PetscSectionSetComponentName(section, 0, 6, "DiffusiveFlux_MomentumZX")); 498 PetscCall(PetscSectionSetComponentName(section, 0, 7, "DiffusiveFlux_MomentumZY")); 499 PetscCall(PetscSectionSetComponentName(section, 0, 8, "DiffusiveFlux_MomentumZZ")); 500 PetscCall(PetscSectionSetComponentName(section, 0, 9, "DiffusiveFlux_EnergyX")); 501 PetscCall(PetscSectionSetComponentName(section, 0, 10, "DiffusiveFlux_EnergyY")); 502 PetscCall(PetscSectionSetComponentName(section, 0, 11, "DiffusiveFlux_EnergyZ")); 503 } break; 504 case DIV_DIFF_FLUX_PROJ_NONE: 505 SETERRQ(PetscObjectComm((PetscObject)user->dm), PETSC_ERR_ARG_WRONG, "Should not reach here with div_diff_flux_projection_method %s", 506 DivDiffFluxProjectionMethods[user->app_ctx->divFdiffproj_method]); 507 break; 508 } 509 } 510 511 // ------------------------------------------------------ 512 // Create the libCEED context 513 // ------------------------------------------------------ 514 CeedScalar cv = 717.; // J/(kg K) 515 CeedScalar cp = 1004.; // J/(kg K) 516 CeedScalar g[3] = {0, 0, 0}; // m/s^2 517 CeedScalar lambda = -2. / 3.; // - 518 CeedScalar mu = 1.8e-5; // Pa s, dynamic viscosity 519 CeedScalar k = 0.02638; // W/(m K) 520 CeedScalar c_tau = 0.5 / degree; // - 521 CeedScalar Ctau_t = 1.0; // - 522 CeedScalar Cv_func[3] = {36, 60, 128}; 523 CeedScalar Ctau_v = Cv_func[(CeedInt)Min(3, degree) - 1]; 524 CeedScalar Ctau_C = 0.25 / degree; 525 CeedScalar Ctau_M = 0.25 / degree; 526 CeedScalar Ctau_E = 0.125; 527 PetscReal domain_min[3], domain_max[3], domain_size[3]; 528 PetscCall(DMGetBoundingBox(dm, domain_min, domain_max)); 529 for (PetscInt i = 0; i < 3; i++) domain_size[i] = domain_max[i] - domain_min[i]; 530 531 StatePrimitive reference = {.pressure = 1.01e5, .velocity = {0}, .temperature = 288.15}; 532 CeedScalar idl_decay_time = -1, idl_start = 0, idl_length = 0, idl_pressure = reference.pressure; 533 PetscBool idl_enable = PETSC_FALSE; 534 535 // ------------------------------------------------------ 536 // Create the PETSc context 537 // ------------------------------------------------------ 538 PetscScalar meter = 1; // 1 meter in scaled length units 539 PetscScalar kilogram = 1; // 1 kilogram in scaled mass units 540 PetscScalar second = 1; // 1 second in scaled time units 541 PetscScalar Kelvin = 1; // 1 Kelvin in scaled temperature units 542 PetscScalar W_per_m_K, Pascal, J_per_kg_K, m_per_squared_s; 543 544 // ------------------------------------------------------ 545 // Command line Options 546 // ------------------------------------------------------ 547 PetscBool given_option = PETSC_FALSE; 548 PetscOptionsBegin(comm, NULL, "Options for Newtonian Ideal Gas based problem", NULL); 549 // -- Conservative vs Primitive variables 550 PetscCall(PetscOptionsEnum("-state_var", "State variables used", NULL, StateVariables, (PetscEnum)(state_var = STATEVAR_CONSERVATIVE), 551 (PetscEnum *)&state_var, NULL)); 552 553 switch (state_var) { 554 case STATEVAR_CONSERVATIVE: 555 problem->ics.qf_func_ptr = ICsNewtonianIG_Conserv; 556 problem->ics.qf_loc = ICsNewtonianIG_Conserv_loc; 557 problem->apply_vol_rhs.qf_func_ptr = RHSFunction_Newtonian; 558 problem->apply_vol_rhs.qf_loc = RHSFunction_Newtonian_loc; 559 problem->apply_vol_ifunction.qf_func_ptr = IFunction_Newtonian_Conserv; 560 problem->apply_vol_ifunction.qf_loc = IFunction_Newtonian_Conserv_loc; 561 problem->apply_vol_ijacobian.qf_func_ptr = IJacobian_Newtonian_Conserv; 562 problem->apply_vol_ijacobian.qf_loc = IJacobian_Newtonian_Conserv_loc; 563 problem->apply_inflow.qf_func_ptr = BoundaryIntegral_Conserv; 564 problem->apply_inflow.qf_loc = BoundaryIntegral_Conserv_loc; 565 problem->apply_inflow_jacobian.qf_func_ptr = BoundaryIntegral_Jacobian_Conserv; 566 problem->apply_inflow_jacobian.qf_loc = BoundaryIntegral_Jacobian_Conserv_loc; 567 break; 568 case STATEVAR_PRIMITIVE: 569 problem->ics.qf_func_ptr = ICsNewtonianIG_Prim; 570 problem->ics.qf_loc = ICsNewtonianIG_Prim_loc; 571 problem->apply_vol_ifunction.qf_func_ptr = IFunction_Newtonian_Prim; 572 problem->apply_vol_ifunction.qf_loc = IFunction_Newtonian_Prim_loc; 573 problem->apply_vol_ijacobian.qf_func_ptr = IJacobian_Newtonian_Prim; 574 problem->apply_vol_ijacobian.qf_loc = IJacobian_Newtonian_Prim_loc; 575 problem->apply_inflow.qf_func_ptr = BoundaryIntegral_Prim; 576 problem->apply_inflow.qf_loc = BoundaryIntegral_Prim_loc; 577 problem->apply_inflow_jacobian.qf_func_ptr = BoundaryIntegral_Jacobian_Prim; 578 problem->apply_inflow_jacobian.qf_loc = BoundaryIntegral_Jacobian_Prim_loc; 579 break; 580 case STATEVAR_ENTROPY: 581 problem->ics.qf_func_ptr = ICsNewtonianIG_Entropy; 582 problem->ics.qf_loc = ICsNewtonianIG_Entropy_loc; 583 problem->apply_vol_ifunction.qf_func_ptr = IFunction_Newtonian_Entropy; 584 problem->apply_vol_ifunction.qf_loc = IFunction_Newtonian_Entropy_loc; 585 problem->apply_vol_ijacobian.qf_func_ptr = IJacobian_Newtonian_Entropy; 586 problem->apply_vol_ijacobian.qf_loc = IJacobian_Newtonian_Entropy_loc; 587 problem->apply_inflow.qf_func_ptr = BoundaryIntegral_Entropy; 588 problem->apply_inflow.qf_loc = BoundaryIntegral_Entropy_loc; 589 problem->apply_inflow_jacobian.qf_func_ptr = BoundaryIntegral_Jacobian_Entropy; 590 problem->apply_inflow_jacobian.qf_loc = BoundaryIntegral_Jacobian_Entropy_loc; 591 break; 592 } 593 594 // -- Physics 595 PetscCall(PetscOptionsScalar("-cv", "Heat capacity at constant volume", NULL, cv, &cv, NULL)); 596 PetscCall(PetscOptionsScalar("-cp", "Heat capacity at constant pressure", NULL, cp, &cp, NULL)); 597 PetscCall(PetscOptionsScalar("-lambda", "Stokes hypothesis second viscosity coefficient", NULL, lambda, &lambda, NULL)); 598 PetscCall(PetscOptionsScalar("-mu", "Shear dynamic viscosity coefficient", NULL, mu, &mu, NULL)); 599 PetscCall(PetscOptionsScalar("-k", "Thermal conductivity", NULL, k, &k, NULL)); 600 601 PetscInt dim = 3; 602 PetscCall(PetscOptionsDeprecated("-g", "-gravity", "libCEED 0.11.1", NULL)); 603 PetscCall(PetscOptionsRealArray("-gravity", "Gravitational acceleration vector", NULL, g, &dim, &given_option)); 604 if (given_option) PetscCheck(dim == 3, comm, PETSC_ERR_ARG_SIZ, "Gravity vector must be size 3, %" PetscInt_FMT " values given", dim); 605 606 PetscCall(PetscOptionsEnum("-stab", "Stabilization method", NULL, StabilizationTypes, (PetscEnum)(stab = STAB_NONE), (PetscEnum *)&stab, NULL)); 607 PetscCall(PetscOptionsScalar("-c_tau", "Stabilization constant", NULL, c_tau, &c_tau, NULL)); 608 PetscCall(PetscOptionsScalar("-Ctau_t", "Stabilization time constant", NULL, Ctau_t, &Ctau_t, NULL)); 609 PetscCall(PetscOptionsScalar("-Ctau_v", "Stabilization viscous constant", NULL, Ctau_v, &Ctau_v, NULL)); 610 PetscCall(PetscOptionsScalar("-Ctau_C", "Stabilization continuity constant", NULL, Ctau_C, &Ctau_C, NULL)); 611 PetscCall(PetscOptionsScalar("-Ctau_M", "Stabilization momentum constant", NULL, Ctau_M, &Ctau_M, NULL)); 612 PetscCall(PetscOptionsScalar("-Ctau_E", "Stabilization energy constant", NULL, Ctau_E, &Ctau_E, NULL)); 613 PetscCall(PetscOptionsBool("-implicit", "Use implicit (IFunction) formulation", NULL, implicit = PETSC_FALSE, &implicit, NULL)); 614 PetscCall(PetscOptionsBool("-newtonian_unit_tests", "Run Newtonian unit tests", NULL, unit_tests = PETSC_FALSE, &unit_tests, NULL)); 615 616 dim = 3; 617 PetscCall(PetscOptionsScalar("-reference_pressure", "Reference/initial pressure", NULL, reference.pressure, &reference.pressure, NULL)); 618 PetscCall(PetscOptionsScalarArray("-reference_velocity", "Reference/initial velocity", NULL, reference.velocity, &dim, NULL)); 619 PetscCall(PetscOptionsScalar("-reference_temperature", "Reference/initial temperature", NULL, reference.temperature, &reference.temperature, NULL)); 620 621 // -- Units 622 PetscCall(PetscOptionsScalar("-units_meter", "1 meter in scaled length units", NULL, meter, &meter, NULL)); 623 meter = fabs(meter); 624 PetscCall(PetscOptionsScalar("-units_kilogram", "1 kilogram in scaled mass units", NULL, kilogram, &kilogram, NULL)); 625 kilogram = fabs(kilogram); 626 PetscCall(PetscOptionsScalar("-units_second", "1 second in scaled time units", NULL, second, &second, NULL)); 627 second = fabs(second); 628 PetscCall(PetscOptionsScalar("-units_Kelvin", "1 Kelvin in scaled temperature units", NULL, Kelvin, &Kelvin, NULL)); 629 Kelvin = fabs(Kelvin); 630 631 // -- Warnings 632 PetscCheck(!(state_var == STATEVAR_PRIMITIVE && !implicit), comm, PETSC_ERR_SUP, 633 "RHSFunction is not provided for primitive variables (use -state_var primitive only with -implicit)\n"); 634 PetscCheck(!(user->app_ctx->divFdiffproj_method != DIV_DIFF_FLUX_PROJ_NONE && !implicit), comm, PETSC_ERR_SUP, 635 "Projection of divergence of diffusive flux is not implemented for explicit timestepping"); 636 637 PetscCall(PetscOptionsScalar("-idl_decay_time", "Characteristic timescale of the pressure deviance decay. The timestep is good starting point", 638 NULL, idl_decay_time, &idl_decay_time, &idl_enable)); 639 PetscCheck(!(idl_enable && idl_decay_time == 0), comm, PETSC_ERR_SUP, "idl_decay_time may not be equal to zero."); 640 if (idl_decay_time < 0) idl_enable = PETSC_FALSE; 641 if (idl_enable) problem->jac_data_size_vol++; 642 PetscCall(PetscOptionsScalar("-idl_start", "Start of IDL in the x direction", NULL, idl_start, &idl_start, NULL)); 643 PetscCall(PetscOptionsScalar("-idl_length", "Length of IDL in the positive x direction", NULL, idl_length, &idl_length, NULL)); 644 idl_pressure = reference.pressure; 645 PetscCall(PetscOptionsScalar("-idl_pressure", "Pressure IDL uses as reference (default is `-reference_pressure`)", NULL, idl_pressure, 646 &idl_pressure, NULL)); 647 PetscOptionsEnd(); 648 649 if (stab == STAB_SUPG && !implicit) problem->create_mass_operator = CreateKSPMassOperator_NewtonianStabilized; 650 651 // ------------------------------------------------------ 652 // Set up the PETSc context 653 // ------------------------------------------------------ 654 // -- Define derived units 655 Pascal = kilogram / (meter * PetscSqr(second)); 656 J_per_kg_K = PetscSqr(meter) / (PetscSqr(second) * Kelvin); 657 m_per_squared_s = meter / PetscSqr(second); 658 W_per_m_K = kilogram * meter / (pow(second, 3) * Kelvin); 659 660 user->units->meter = meter; 661 user->units->kilogram = kilogram; 662 user->units->second = second; 663 user->units->Kelvin = Kelvin; 664 user->units->Pascal = Pascal; 665 user->units->J_per_kg_K = J_per_kg_K; 666 user->units->m_per_squared_s = m_per_squared_s; 667 user->units->W_per_m_K = W_per_m_K; 668 669 // ------------------------------------------------------ 670 // Set up the libCEED context 671 // ------------------------------------------------------ 672 // -- Scale variables to desired units 673 cv *= J_per_kg_K; 674 cp *= J_per_kg_K; 675 mu *= Pascal * second; 676 k *= W_per_m_K; 677 for (PetscInt i = 0; i < 3; i++) domain_size[i] *= meter; 678 for (PetscInt i = 0; i < 3; i++) g[i] *= m_per_squared_s; 679 reference.pressure *= Pascal; 680 for (PetscInt i = 0; i < 3; i++) reference.velocity[i] *= meter / second; 681 reference.temperature *= Kelvin; 682 683 // -- Solver Settings 684 user->phys->implicit = implicit; 685 user->phys->state_var = state_var; 686 687 // -- QFunction Context 688 newtonian_ig_ctx->lambda = lambda; 689 newtonian_ig_ctx->mu = mu; 690 newtonian_ig_ctx->k = k; 691 newtonian_ig_ctx->cv = cv; 692 newtonian_ig_ctx->cp = cp; 693 newtonian_ig_ctx->c_tau = c_tau; 694 newtonian_ig_ctx->Ctau_t = Ctau_t; 695 newtonian_ig_ctx->Ctau_v = Ctau_v; 696 newtonian_ig_ctx->Ctau_C = Ctau_C; 697 newtonian_ig_ctx->Ctau_M = Ctau_M; 698 newtonian_ig_ctx->Ctau_E = Ctau_E; 699 newtonian_ig_ctx->stabilization = stab; 700 newtonian_ig_ctx->is_implicit = implicit; 701 newtonian_ig_ctx->state_var = state_var; 702 newtonian_ig_ctx->idl_enable = idl_enable; 703 newtonian_ig_ctx->idl_amplitude = 1 / (idl_decay_time * second); 704 newtonian_ig_ctx->idl_start = idl_start * meter; 705 newtonian_ig_ctx->idl_length = idl_length * meter; 706 newtonian_ig_ctx->idl_pressure = idl_pressure; 707 newtonian_ig_ctx->divFdiff_method = user->app_ctx->divFdiffproj_method; 708 PetscCall(PetscArraycpy(newtonian_ig_ctx->g, g, 3)); 709 710 // -- Setup Context 711 setup_context->reference = reference; 712 setup_context->gas = *newtonian_ig_ctx; 713 setup_context->lx = domain_size[0]; 714 setup_context->ly = domain_size[1]; 715 setup_context->lz = domain_size[2]; 716 setup_context->time = 0; 717 718 PetscCallCeed(ceed, CeedQFunctionContextCreate(user->ceed, &problem->ics.qfctx)); 719 PetscCallCeed(ceed, CeedQFunctionContextSetData(problem->ics.qfctx, CEED_MEM_HOST, CEED_USE_POINTER, sizeof(*setup_context), setup_context)); 720 PetscCallCeed(ceed, CeedQFunctionContextSetDataDestroy(problem->ics.qfctx, CEED_MEM_HOST, FreeContextPetsc)); 721 PetscCallCeed( 722 ceed, CeedQFunctionContextRegisterDouble(problem->ics.qfctx, "evaluation time", offsetof(struct SetupContext_, time), 1, "Time of evaluation")); 723 724 PetscCallCeed(ceed, CeedQFunctionContextCreate(user->ceed, &newtonian_ig_qfctx)); 725 PetscCallCeed(ceed, CeedQFunctionContextSetData(newtonian_ig_qfctx, CEED_MEM_HOST, CEED_USE_POINTER, sizeof(*newtonian_ig_ctx), newtonian_ig_ctx)); 726 PetscCallCeed(ceed, CeedQFunctionContextSetDataDestroy(newtonian_ig_qfctx, CEED_MEM_HOST, FreeContextPetsc)); 727 PetscCallCeed(ceed, CeedQFunctionContextRegisterDouble(newtonian_ig_qfctx, "timestep size", offsetof(struct NewtonianIdealGasContext_, dt), 1, 728 "Size of timestep, delta t")); 729 PetscCallCeed(ceed, CeedQFunctionContextRegisterDouble(newtonian_ig_qfctx, "ijacobian time shift", 730 offsetof(struct NewtonianIdealGasContext_, ijacobian_time_shift), 1, 731 "Shift for mass matrix in IJacobian")); 732 PetscCallCeed(ceed, CeedQFunctionContextRegisterDouble(newtonian_ig_qfctx, "solution time", offsetof(struct NewtonianIdealGasContext_, time), 1, 733 "Current solution time")); 734 735 problem->apply_vol_rhs.qfctx = newtonian_ig_qfctx; 736 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(newtonian_ig_qfctx, &problem->apply_vol_ifunction.qfctx)); 737 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(newtonian_ig_qfctx, &problem->apply_vol_ijacobian.qfctx)); 738 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(newtonian_ig_qfctx, &problem->apply_inflow.qfctx)); 739 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(newtonian_ig_qfctx, &problem->apply_inflow_jacobian.qfctx)); 740 741 if (bc->num_freestream > 0) PetscCall(FreestreamBCSetup(problem, dm, ctx, newtonian_ig_ctx, &reference)); 742 if (bc->num_outflow > 0) PetscCall(OutflowBCSetup(problem, dm, ctx, newtonian_ig_ctx, &reference)); 743 if (bc->num_slip > 0) PetscCall(SlipBCSetup(problem, dm, ctx, newtonian_ig_qfctx)); 744 745 if (unit_tests) { 746 PetscCall(UnitTests_Newtonian(user, newtonian_ig_ctx)); 747 } 748 PetscFunctionReturn(PETSC_SUCCESS); 749 } 750 751 PetscErrorCode PRINT_NEWTONIAN(User user, ProblemData problem, AppCtx app_ctx) { 752 MPI_Comm comm = user->comm; 753 Ceed ceed = user->ceed; 754 NewtonianIdealGasContext newtonian_ctx; 755 756 PetscFunctionBeginUser; 757 PetscCallCeed(ceed, CeedQFunctionContextGetData(problem->apply_vol_rhs.qfctx, CEED_MEM_HOST, &newtonian_ctx)); 758 PetscCall(PetscPrintf(comm, 759 " Problem:\n" 760 " Problem Name : %s\n" 761 " Stabilization : %s\n", 762 app_ctx->problem_name, StabilizationTypes[newtonian_ctx->stabilization])); 763 PetscCallCeed(ceed, CeedQFunctionContextRestoreData(problem->apply_vol_rhs.qfctx, &newtonian_ctx)); 764 PetscFunctionReturn(PETSC_SUCCESS); 765 } 766