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 EULER_VORTEX 6 7 #include "../qfunctions/eulervortex.h" 8 9 #include <ceed.h> 10 #include <petscdm.h> 11 12 #include <navierstokes.h> 13 14 static PetscErrorCode EulerVortexOutflowBCSetup_CreateIFunctionQF(BCDefinition bc_def, CeedQFunction *qf) { 15 HoneeBCStruct honee_bc; 16 17 PetscFunctionBeginUser; 18 PetscCall(BCDefinitionGetContext(bc_def, &honee_bc)); 19 PetscCall(HoneeBCCreateIFunctionQF(bc_def, Euler_Outflow, Euler_Outflow_loc, honee_bc->qfctx, qf)); 20 PetscFunctionReturn(PETSC_SUCCESS); 21 } 22 23 PetscErrorCode NS_EULER_VORTEX(ProblemData problem, DM dm, void *ctx, SimpleBC bc) { 24 EulerTestType euler_test; 25 Honee honee = *(Honee *)ctx; 26 StabilizationType stab; 27 MPI_Comm comm = honee->comm; 28 Ceed ceed = honee->ceed; 29 PetscBool implicit; 30 EulerContext euler_ctx; 31 CeedQFunctionContext euler_qfctx; 32 PetscInt dim; 33 34 PetscFunctionBeginUser; 35 PetscCall(PetscCalloc1(1, &euler_ctx)); 36 37 // ------------------------------------------------------ 38 // SET UP EULER VORTEX 39 // ------------------------------------------------------ 40 problem->ics.qf_func_ptr = ICsEuler; 41 problem->ics.qf_loc = ICsEuler_loc; 42 problem->apply_vol_rhs.qf_func_ptr = Euler; 43 problem->apply_vol_rhs.qf_loc = Euler_loc; 44 problem->apply_vol_ifunction.qf_func_ptr = IFunction_Euler; 45 problem->apply_vol_ifunction.qf_loc = IFunction_Euler_loc; 46 problem->apply_inflow.qf_func_ptr = TravelingVortex_Inflow; 47 problem->apply_inflow.qf_loc = TravelingVortex_Inflow_loc; 48 problem->jac_data_size_vol = 0; 49 problem->jac_data_size_sur = 0; 50 problem->compute_exact_solution_error = PETSC_TRUE; 51 problem->print_info = PRINT_EULER_VORTEX; 52 53 // ------------------------------------------------------ 54 // Create the libCEED context 55 // ------------------------------------------------------ 56 CeedScalar vortex_strength = 5.; // - 57 CeedScalar c_tau = 0.5; // - 58 // c_tau = 0.5 is reported as "optimal" in Hughes et al 2010 59 PetscReal center[3] = {0.}, // m 60 mean_velocity[3] = {1., 1., 0}; // m/s 61 PetscReal domain_min[3], domain_max[3], domain_size[3] = {0.}; 62 PetscCall(DMGetBoundingBox(dm, domain_min, domain_max)); 63 PetscCall(DMGetDimension(dm, &dim)); 64 for (PetscInt i = 0; i < dim; i++) domain_size[i] = domain_max[i] - domain_min[i]; 65 66 // ------------------------------------------------------ 67 // Create the PETSc context 68 // ------------------------------------------------------ 69 PetscScalar meter = 1e-2; // 1 meter in scaled length units 70 PetscScalar second = 1e-2; // 1 second in scaled time units 71 72 // ------------------------------------------------------ 73 // Command line Options 74 // ------------------------------------------------------ 75 PetscOptionsBegin(comm, NULL, "Options for EULER_VORTEX problem", NULL); 76 // -- Physics 77 PetscCall(PetscOptionsScalar("-vortex_strength", "Strength of Vortex", NULL, vortex_strength, &vortex_strength, NULL)); 78 PetscInt n = dim; 79 PetscBool user_velocity; 80 PetscCall(PetscOptionsRealArray("-mean_velocity", "Background velocity vector", NULL, mean_velocity, &n, &user_velocity)); 81 for (PetscInt i = 0; i < dim; i++) center[i] = .5 * domain_size[i]; 82 n = dim; 83 PetscCall(PetscOptionsRealArray("-center", "Location of vortex center", NULL, center, &n, NULL)); 84 PetscCall(PetscOptionsBool("-implicit", "Use implicit (IFunction) formulation", NULL, implicit = PETSC_FALSE, &implicit, NULL)); 85 PetscCall(PetscOptionsEnum("-euler_test", "Euler test option", NULL, EulerTestTypes, (PetscEnum)(euler_test = EULER_TEST_ISENTROPIC_VORTEX), 86 (PetscEnum *)&euler_test, NULL)); 87 PetscCall(PetscOptionsEnum("-stab", "Stabilization method", NULL, StabilizationTypes, (PetscEnum)(stab = STAB_NONE), (PetscEnum *)&stab, NULL)); 88 PetscCall(PetscOptionsScalar("-c_tau", "Stabilization constant", NULL, c_tau, &c_tau, NULL)); 89 // -- Units 90 PetscCall(PetscOptionsScalar("-units_meter", "1 meter in scaled length units", NULL, meter, &meter, NULL)); 91 meter = fabs(meter); 92 PetscCall(PetscOptionsScalar("-units_second", "1 second in scaled time units", NULL, second, &second, NULL)); 93 second = fabs(second); 94 95 // -- Warnings 96 if (stab == STAB_SUPG && !implicit) { 97 PetscCall(PetscPrintf(comm, "Warning! Use -stab supg only with -implicit\n")); 98 } 99 if (user_velocity && (euler_test == EULER_TEST_1 || euler_test == EULER_TEST_3)) { 100 PetscCall(PetscPrintf(comm, "Warning! Background velocity vector for -euler_test t1 and -euler_test t3 is (0,0,0)\n")); 101 } 102 103 PetscOptionsEnd(); 104 105 // ------------------------------------------------------ 106 // Set up the PETSc context 107 // ------------------------------------------------------ 108 honee->units->meter = meter; 109 honee->units->second = second; 110 111 // ------------------------------------------------------ 112 // Set up the libCEED context 113 // ------------------------------------------------------ 114 // -- Scale variables to desired units 115 for (PetscInt i = 0; i < 3; i++) { 116 center[i] *= meter; 117 domain_size[i] *= meter; 118 mean_velocity[i] *= (meter / second); 119 } 120 121 // -- QFunction Context 122 honee->phys->implicit = implicit; 123 euler_ctx->curr_time = 0.; 124 euler_ctx->implicit = implicit; 125 euler_ctx->euler_test = euler_test; 126 euler_ctx->center[0] = center[0]; 127 euler_ctx->center[1] = center[1]; 128 euler_ctx->center[2] = center[2]; 129 euler_ctx->vortex_strength = vortex_strength; 130 euler_ctx->c_tau = c_tau; 131 euler_ctx->mean_velocity[0] = mean_velocity[0]; 132 euler_ctx->mean_velocity[1] = mean_velocity[1]; 133 euler_ctx->mean_velocity[2] = mean_velocity[2]; 134 euler_ctx->stabilization = stab; 135 136 PetscCallCeed(ceed, CeedQFunctionContextCreate(honee->ceed, &euler_qfctx)); 137 PetscCallCeed(ceed, CeedQFunctionContextSetData(euler_qfctx, CEED_MEM_HOST, CEED_USE_POINTER, sizeof(*euler_ctx), euler_ctx)); 138 PetscCallCeed(ceed, CeedQFunctionContextSetDataDestroy(euler_qfctx, CEED_MEM_HOST, FreeContextPetsc)); 139 PetscCallCeed(ceed, CeedQFunctionContextRegisterDouble(euler_qfctx, "solution time", offsetof(struct EulerContext_, curr_time), 1, 140 "Physical time of the solution")); 141 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_qfctx, &problem->ics.qfctx)); 142 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_qfctx, &problem->apply_vol_rhs.qfctx)); 143 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_qfctx, &problem->apply_vol_ifunction.qfctx)); 144 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_qfctx, &problem->apply_inflow.qfctx)); 145 146 for (PetscCount b = 0; b < problem->num_bc_defs; b++) { 147 BCDefinition bc_def = problem->bc_defs[b]; 148 const char *name; 149 150 PetscCall(BCDefinitionGetInfo(bc_def, &name, NULL, NULL)); 151 if (!strcmp(name, "outflow")) { 152 HoneeBCStruct honee_bc; 153 154 PetscCall(PetscNew(&honee_bc)); 155 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_qfctx, &honee_bc->qfctx)); 156 honee_bc->honee = honee; 157 honee_bc->jac_data_size_sur = honee->phys->implicit ? problem->jac_data_size_sur : 0; 158 PetscCall(BCDefinitionSetContext(bc_def, HoneeBCDestroy, honee_bc)); 159 160 PetscCall(BCDefinitionSetIFunction(bc_def, EulerVortexOutflowBCSetup_CreateIFunctionQF, HoneeBCAddIFunctionOp)); 161 PetscCall(BCDefinitionSetIJacobian(bc_def, NULL, NULL)); 162 } 163 } 164 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&euler_qfctx)); 165 PetscFunctionReturn(PETSC_SUCCESS); 166 } 167 168 PetscErrorCode PRINT_EULER_VORTEX(Honee honee, ProblemData problem, AppCtx app_ctx) { 169 MPI_Comm comm = honee->comm; 170 Ceed ceed = honee->ceed; 171 EulerContext euler_ctx; 172 173 PetscFunctionBeginUser; 174 PetscCallCeed(ceed, CeedQFunctionContextGetData(problem->ics.qfctx, CEED_MEM_HOST, &euler_ctx)); 175 PetscCall(PetscPrintf(comm, 176 " Problem:\n" 177 " Problem Name : %s\n" 178 " Test Case : %s\n" 179 " Background Velocity : %f,%f,%f\n" 180 " Stabilization : %s\n", 181 app_ctx->problem_name, EulerTestTypes[euler_ctx->euler_test], euler_ctx->mean_velocity[0], euler_ctx->mean_velocity[1], 182 euler_ctx->mean_velocity[2], StabilizationTypes[euler_ctx->stabilization])); 183 184 PetscCallCeed(ceed, CeedQFunctionContextRestoreData(problem->ics.qfctx, &euler_ctx)); 185 PetscFunctionReturn(PETSC_SUCCESS); 186 } 187