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 PetscErrorCode NS_EULER_VORTEX(ProblemData problem, DM dm, void *ctx, SimpleBC bc) { 15 EulerTestType euler_test; 16 User user = *(User *)ctx; 17 StabilizationType stab; 18 MPI_Comm comm = user->comm; 19 Ceed ceed = user->ceed; 20 PetscBool implicit; 21 EulerContext euler_ctx; 22 CeedQFunctionContext euler_context; 23 24 PetscFunctionBeginUser; 25 PetscCall(PetscCalloc1(1, &euler_ctx)); 26 27 // ------------------------------------------------------ 28 // SET UP DENSITY_CURRENT 29 // ------------------------------------------------------ 30 problem->dim = 3; 31 problem->ics.qfunction = ICsEuler; 32 problem->ics.qfunction_loc = ICsEuler_loc; 33 problem->apply_vol_rhs.qfunction = Euler; 34 problem->apply_vol_rhs.qfunction_loc = Euler_loc; 35 problem->apply_vol_ifunction.qfunction = IFunction_Euler; 36 problem->apply_vol_ifunction.qfunction_loc = IFunction_Euler_loc; 37 problem->apply_inflow.qfunction = TravelingVortex_Inflow; 38 problem->apply_inflow.qfunction_loc = TravelingVortex_Inflow_loc; 39 problem->apply_outflow.qfunction = Euler_Outflow; 40 problem->apply_outflow.qfunction_loc = Euler_Outflow_loc; 41 problem->compute_exact_solution_error = PETSC_TRUE; 42 problem->print_info = PRINT_EULER_VORTEX; 43 44 // ------------------------------------------------------ 45 // Create the libCEED context 46 // ------------------------------------------------------ 47 CeedScalar vortex_strength = 5.; // - 48 CeedScalar c_tau = 0.5; // - 49 // c_tau = 0.5 is reported as "optimal" in Hughes et al 2010 50 PetscReal center[3], // m 51 mean_velocity[3] = {1., 1., 0}; // m/s 52 PetscReal domain_min[3], domain_max[3], domain_size[3]; 53 PetscCall(DMGetBoundingBox(dm, domain_min, domain_max)); 54 for (PetscInt i = 0; i < 3; i++) domain_size[i] = domain_max[i] - domain_min[i]; 55 56 // ------------------------------------------------------ 57 // Create the PETSc context 58 // ------------------------------------------------------ 59 PetscScalar meter = 1e-2; // 1 meter in scaled length units 60 PetscScalar second = 1e-2; // 1 second in scaled time units 61 62 // ------------------------------------------------------ 63 // Command line Options 64 // ------------------------------------------------------ 65 PetscOptionsBegin(comm, NULL, "Options for EULER_VORTEX problem", NULL); 66 // -- Physics 67 PetscCall(PetscOptionsScalar("-vortex_strength", "Strength of Vortex", NULL, vortex_strength, &vortex_strength, NULL)); 68 PetscInt n = problem->dim; 69 PetscBool user_velocity; 70 PetscCall(PetscOptionsRealArray("-mean_velocity", "Background velocity vector", NULL, mean_velocity, &n, &user_velocity)); 71 for (PetscInt i = 0; i < 3; i++) center[i] = .5 * domain_size[i]; 72 n = problem->dim; 73 PetscCall(PetscOptionsRealArray("-center", "Location of vortex center", NULL, center, &n, NULL)); 74 PetscCall(PetscOptionsBool("-implicit", "Use implicit (IFunction) formulation", NULL, implicit = PETSC_FALSE, &implicit, NULL)); 75 PetscCall(PetscOptionsEnum("-euler_test", "Euler test option", NULL, EulerTestTypes, (PetscEnum)(euler_test = EULER_TEST_ISENTROPIC_VORTEX), 76 (PetscEnum *)&euler_test, NULL)); 77 PetscCall(PetscOptionsEnum("-stab", "Stabilization method", NULL, StabilizationTypes, (PetscEnum)(stab = STAB_NONE), (PetscEnum *)&stab, NULL)); 78 PetscCall(PetscOptionsScalar("-c_tau", "Stabilization constant", NULL, c_tau, &c_tau, NULL)); 79 // -- Units 80 PetscCall(PetscOptionsScalar("-units_meter", "1 meter in scaled length units", NULL, meter, &meter, NULL)); 81 meter = fabs(meter); 82 PetscCall(PetscOptionsScalar("-units_second", "1 second in scaled time units", NULL, second, &second, NULL)); 83 second = fabs(second); 84 85 // -- Warnings 86 if (stab == STAB_SUPG && !implicit) { 87 PetscCall(PetscPrintf(comm, "Warning! Use -stab supg only with -implicit\n")); 88 } 89 if (user_velocity && (euler_test == EULER_TEST_1 || euler_test == EULER_TEST_3)) { 90 PetscCall(PetscPrintf(comm, "Warning! Background velocity vector for -euler_test t1 and -euler_test t3 is (0,0,0)\n")); 91 } 92 93 PetscOptionsEnd(); 94 95 // ------------------------------------------------------ 96 // Set up the PETSc context 97 // ------------------------------------------------------ 98 user->units->meter = meter; 99 user->units->second = second; 100 101 // ------------------------------------------------------ 102 // Set up the libCEED context 103 // ------------------------------------------------------ 104 // -- Scale variables to desired units 105 for (PetscInt i = 0; i < 3; i++) { 106 center[i] *= meter; 107 domain_size[i] *= meter; 108 mean_velocity[i] *= (meter / second); 109 } 110 problem->dm_scale = meter; 111 112 // -- QFunction Context 113 user->phys->implicit = implicit; 114 euler_ctx->curr_time = 0.; 115 euler_ctx->implicit = implicit; 116 euler_ctx->euler_test = euler_test; 117 euler_ctx->center[0] = center[0]; 118 euler_ctx->center[1] = center[1]; 119 euler_ctx->center[2] = center[2]; 120 euler_ctx->vortex_strength = vortex_strength; 121 euler_ctx->c_tau = c_tau; 122 euler_ctx->mean_velocity[0] = mean_velocity[0]; 123 euler_ctx->mean_velocity[1] = mean_velocity[1]; 124 euler_ctx->mean_velocity[2] = mean_velocity[2]; 125 euler_ctx->stabilization = stab; 126 127 PetscCallCeed(ceed, CeedQFunctionContextCreate(user->ceed, &euler_context)); 128 PetscCallCeed(ceed, CeedQFunctionContextSetData(euler_context, CEED_MEM_HOST, CEED_USE_POINTER, sizeof(*euler_ctx), euler_ctx)); 129 PetscCallCeed(ceed, CeedQFunctionContextSetDataDestroy(euler_context, CEED_MEM_HOST, FreeContextPetsc)); 130 PetscCallCeed(ceed, CeedQFunctionContextRegisterDouble(euler_context, "solution time", offsetof(struct EulerContext_, curr_time), 1, 131 "Physical time of the solution")); 132 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_context, &problem->ics.qfunction_context)); 133 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_context, &problem->apply_vol_rhs.qfunction_context)); 134 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_context, &problem->apply_vol_ifunction.qfunction_context)); 135 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_context, &problem->apply_inflow.qfunction_context)); 136 PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_context, &problem->apply_outflow.qfunction_context)); 137 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&euler_context)); 138 PetscFunctionReturn(PETSC_SUCCESS); 139 } 140 141 PetscErrorCode PRINT_EULER_VORTEX(User user, ProblemData problem, AppCtx app_ctx) { 142 MPI_Comm comm = user->comm; 143 Ceed ceed = user->ceed; 144 EulerContext euler_ctx; 145 146 PetscFunctionBeginUser; 147 PetscCallCeed(ceed, CeedQFunctionContextGetData(problem->ics.qfunction_context, CEED_MEM_HOST, &euler_ctx)); 148 PetscCall(PetscPrintf(comm, 149 " Problem:\n" 150 " Problem Name : %s\n" 151 " Test Case : %s\n" 152 " Background Velocity : %f,%f,%f\n" 153 " Stabilization : %s\n", 154 app_ctx->problem_name, EulerTestTypes[euler_ctx->euler_test], euler_ctx->mean_velocity[0], euler_ctx->mean_velocity[1], 155 euler_ctx->mean_velocity[2], StabilizationTypes[euler_ctx->stabilization])); 156 157 PetscCallCeed(ceed, CeedQFunctionContextRestoreData(problem->ics.qfunction_context, &euler_ctx)); 158 PetscFunctionReturn(PETSC_SUCCESS); 159 } 160