1 // Copyright (c) 2017, Lawrence Livermore National Security, LLC. Produced at 2 // the Lawrence Livermore National Laboratory. LLNL-CODE-734707. All Rights 3 // reserved. See files LICENSE and NOTICE for details. 4 // 5 // This file is part of CEED, a collection of benchmarks, miniapps, software 6 // libraries and APIs for efficient high-order finite element and spectral 7 // element discretizations for exascale applications. For more information and 8 // source code availability see http://github.com/ceed. 9 // 10 // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, 11 // a collaborative effort of two U.S. Department of Energy organizations (Office 12 // of Science and the National Nuclear Security Administration) responsible for 13 // the planning and preparation of a capable exascale ecosystem, including 14 // software, applications, hardware, advanced system engineering and early 15 // testbed platforms, in support of the nation's exascale computing imperative. 16 17 /// @file 18 /// Utility functions for setting up EULER_VORTEX 19 20 #include "../navierstokes.h" 21 #include "../qfunctions/setupgeo.h" 22 #include "../qfunctions/eulervortex.h" 23 24 PetscErrorCode NS_EULER_VORTEX(ProblemData *problem, void *setup_ctx, 25 void *ctx) { 26 EulerTestType euler_test; 27 SetupContext setup_context = *(SetupContext *)setup_ctx; 28 User user = *(User *)ctx; 29 StabilizationType stab; 30 MPI_Comm comm = PETSC_COMM_WORLD; 31 PetscBool implicit; 32 PetscBool has_curr_time = PETSC_TRUE; 33 PetscBool has_neumann = PETSC_TRUE; 34 PetscInt ierr; 35 PetscFunctionBeginUser; 36 37 ierr = PetscCalloc1(1, &user->phys->euler_ctx); CHKERRQ(ierr); 38 39 // ------------------------------------------------------ 40 // SET UP DENSITY_CURRENT 41 // ------------------------------------------------------ 42 problem->dim = 3; 43 problem->q_data_size_vol = 10; 44 problem->q_data_size_sur = 4; 45 problem->setup_vol = Setup; 46 problem->setup_vol_loc = Setup_loc; 47 problem->setup_sur = SetupBoundary; 48 problem->setup_sur_loc = SetupBoundary_loc; 49 problem->ics = ICsEuler; 50 problem->ics_loc = ICsEuler_loc; 51 problem->apply_vol_rhs = Euler; 52 problem->apply_vol_rhs_loc = Euler_loc; 53 problem->apply_vol_ifunction = IFunction_Euler; 54 problem->apply_vol_ifunction_loc = IFunction_Euler_loc; 55 problem->apply_sur = Euler_Sur; 56 problem->apply_sur_loc = Euler_Sur_loc; 57 problem->bc = Exact_Euler; 58 problem->setup_ctx = SetupContext_EULER_VORTEX; 59 problem->bc_func = BC_EULER_VORTEX; 60 problem->non_zero_time = PETSC_TRUE; 61 problem->print_info = PRINT_EULER_VORTEX; 62 63 // ------------------------------------------------------ 64 // Create the libCEED context 65 // ------------------------------------------------------ 66 CeedScalar vortex_strength = 5.; // - 67 CeedScalar c_tau = 0.5; // - 68 // c_tau = 0.5 is reported as "optimal" in Hughes et al 2010 69 PetscScalar lx = 1000.; // m 70 PetscScalar ly = 1000.; // m 71 PetscScalar lz = 1.; // m 72 PetscReal center[3], // m 73 mean_velocity[3] = {1., 1., 0}; // m/s 74 75 // ------------------------------------------------------ 76 // Create the PETSc context 77 // ------------------------------------------------------ 78 PetscScalar meter = 1e-2; // 1 meter in scaled length units 79 PetscScalar second = 1e-2; // 1 second in scaled time units 80 81 // ------------------------------------------------------ 82 // Command line Options 83 // ------------------------------------------------------ 84 ierr = PetscOptionsBegin(comm, NULL, "Options for EULER_VORTEX problem", 85 NULL); CHKERRQ(ierr); 86 // -- Physics 87 ierr = PetscOptionsScalar("-vortex_strength", "Strength of Vortex", 88 NULL, vortex_strength, &vortex_strength, NULL); 89 CHKERRQ(ierr); 90 PetscInt n = problem->dim; 91 PetscBool user_velocity; 92 ierr = PetscOptionsRealArray("-mean_velocity", "Background velocity vector", 93 NULL, mean_velocity, &n, &user_velocity); 94 CHKERRQ(ierr); 95 ierr = PetscOptionsScalar("-lx", "Length scale in x direction", 96 NULL, lx, &lx, NULL); CHKERRQ(ierr); 97 ierr = PetscOptionsScalar("-ly", "Length scale in y direction", 98 NULL, ly, &ly, NULL); CHKERRQ(ierr); 99 ierr = PetscOptionsScalar("-lz", "Length scale in z direction", 100 NULL, lz, &lz, NULL); CHKERRQ(ierr); 101 n = problem->dim; 102 center[0] = 0.5 * lx; 103 center[1] = 0.5 * ly; 104 center[2] = 0.5 * lz; 105 ierr = PetscOptionsRealArray("-center", "Location of vortex center", 106 NULL, center, &n, NULL); CHKERRQ(ierr); 107 ierr = PetscOptionsBool("-implicit", "Use implicit (IFunction) formulation", 108 NULL, implicit=PETSC_FALSE, &implicit, NULL); 109 CHKERRQ(ierr); 110 ierr = PetscOptionsEnum("-euler_test", "Euler test option", NULL, 111 EulerTestTypes, (PetscEnum)(euler_test = EULER_TEST_ISENTROPIC_VORTEX), 112 (PetscEnum *)&euler_test, NULL); CHKERRQ(ierr); 113 ierr = PetscOptionsEnum("-stab", "Stabilization method", NULL, 114 StabilizationTypes, (PetscEnum)(stab = STAB_NONE), 115 (PetscEnum *)&stab, NULL); CHKERRQ(ierr); 116 ierr = PetscOptionsScalar("-c_tau", "Stabilization constant", 117 NULL, c_tau, &c_tau, NULL); CHKERRQ(ierr); 118 // -- Units 119 ierr = PetscOptionsScalar("-units_meter", "1 meter in scaled length units", 120 NULL, meter, &meter, NULL); CHKERRQ(ierr); 121 meter = fabs(meter); 122 ierr = PetscOptionsScalar("-units_second","1 second in scaled time units", 123 NULL, second, &second, NULL); CHKERRQ(ierr); 124 second = fabs(second); 125 126 // -- Warnings 127 if (stab == STAB_SUPG && !implicit) { 128 ierr = PetscPrintf(comm, 129 "Warning! Use -stab supg only with -implicit\n"); 130 CHKERRQ(ierr); 131 } 132 if (user_velocity && (euler_test == EULER_TEST_1 133 || euler_test == EULER_TEST_3)) { 134 ierr = PetscPrintf(comm, 135 "Warning! Background velocity vector for -euler_test t1 and -euler_test t3 is (0,0,0)\n"); 136 CHKERRQ(ierr); 137 } 138 139 ierr = PetscOptionsEnd(); CHKERRQ(ierr); 140 141 // ------------------------------------------------------ 142 // Set up the PETSc context 143 // ------------------------------------------------------ 144 user->units->meter = meter; 145 user->units->second = second; 146 147 // ------------------------------------------------------ 148 // Set up the libCEED context 149 // ------------------------------------------------------ 150 // -- Scale variables to desired units 151 lx = fabs(lx) * meter; 152 ly = fabs(ly) * meter; 153 lz = fabs(lz) * meter; 154 for (int i=0; i<3; i++) { 155 center[i] *= meter; 156 mean_velocity[i] = mean_velocity[i] * (meter/second); 157 } 158 159 // -- Setup Context 160 setup_context->lx = lx; 161 setup_context->ly = ly; 162 setup_context->lz = lz; 163 setup_context->center[0] = center[0]; 164 setup_context->center[1] = center[1]; 165 setup_context->center[2] = center[2]; 166 setup_context->time = 0; 167 168 // -- QFunction Context 169 user->phys->stab = stab; 170 user->phys->euler_test = euler_test; 171 user->phys->implicit = implicit; 172 user->phys->has_curr_time = has_curr_time; 173 user->phys->has_neumann = has_neumann; 174 user->phys->euler_ctx->curr_time = 0.; 175 user->phys->euler_ctx->implicit = implicit; 176 user->phys->euler_ctx->euler_test = euler_test; 177 user->phys->euler_ctx->center[0] = center[0]; 178 user->phys->euler_ctx->center[1] = center[1]; 179 user->phys->euler_ctx->center[2] = center[2]; 180 user->phys->euler_ctx->vortex_strength = vortex_strength; 181 user->phys->euler_ctx->c_tau = c_tau; 182 user->phys->euler_ctx->mean_velocity[0] = mean_velocity[0]; 183 user->phys->euler_ctx->mean_velocity[1] = mean_velocity[1]; 184 user->phys->euler_ctx->mean_velocity[2] = mean_velocity[2]; 185 user->phys->euler_ctx->stabilization = stab; 186 187 PetscFunctionReturn(0); 188 } 189 190 PetscErrorCode SetupContext_EULER_VORTEX(Ceed ceed, CeedData ceed_data, 191 AppCtx app_ctx, SetupContext setup_ctx, Physics phys) { 192 PetscFunctionBeginUser; 193 194 CeedQFunctionContextCreate(ceed, &ceed_data->setup_context); 195 CeedQFunctionContextSetData(ceed_data->setup_context, CEED_MEM_HOST, 196 CEED_USE_POINTER, 197 sizeof(*setup_ctx), setup_ctx); 198 CeedQFunctionContextCreate(ceed, &ceed_data->euler_context); 199 CeedQFunctionContextSetData(ceed_data->euler_context, CEED_MEM_HOST, 200 CEED_USE_POINTER, 201 sizeof(*phys->euler_ctx), phys->euler_ctx); 202 if (ceed_data->qf_ics) 203 CeedQFunctionSetContext(ceed_data->qf_ics, ceed_data->euler_context); 204 if (ceed_data->qf_apply_sur) 205 CeedQFunctionSetContext(ceed_data->qf_apply_sur, ceed_data->euler_context); 206 if (ceed_data->qf_rhs_vol) 207 CeedQFunctionSetContext(ceed_data->qf_rhs_vol, ceed_data->euler_context); 208 if (ceed_data->qf_ifunction_vol) 209 CeedQFunctionSetContext(ceed_data->qf_ifunction_vol, ceed_data->euler_context); 210 211 PetscFunctionReturn(0); 212 } 213 214 PetscErrorCode BC_EULER_VORTEX(DM dm, SimpleBC bc, Physics phys, 215 void *setup_ctx) { 216 PetscErrorCode ierr; 217 PetscFunctionBeginUser; 218 219 // Define boundary conditions 220 bc->num_slip[2] = 2; bc->slips[2][0] = 1; bc->slips[2][1] = 2; 221 222 // Set boundary conditions 223 DMLabel label; 224 ierr = DMGetLabel(dm, "Face Sets", &label); CHKERRQ(ierr); 225 PetscInt comps[1] = {3}; 226 ierr = DMAddBoundary(dm, DM_BC_ESSENTIAL, "slipz", label, "Face Sets", 227 bc->num_slip[2], bc->slips[2], 0, 1, comps, 228 (void(*)(void))NULL, NULL, setup_ctx, NULL); 229 CHKERRQ(ierr); 230 231 PetscFunctionReturn(0); 232 } 233 234 PetscErrorCode PRINT_EULER_VORTEX(Physics phys, SetupContext setup_ctx, 235 AppCtx app_ctx) { 236 MPI_Comm comm = PETSC_COMM_WORLD; 237 PetscErrorCode ierr; 238 PetscFunctionBeginUser; 239 240 ierr = PetscPrintf(comm, 241 " Problem:\n" 242 " Problem Name : %s\n" 243 " Test Case : %s\n" 244 " Background Velocity : %f,%f,%f\n" 245 " Stabilization : %s\n", 246 app_ctx->problem_name, EulerTestTypes[phys->euler_test], 247 phys->euler_ctx->mean_velocity[0], 248 phys->euler_ctx->mean_velocity[1], 249 phys->euler_ctx->mean_velocity[2], 250 StabilizationTypes[phys->stab]); CHKERRQ(ierr); 251 252 PetscFunctionReturn(0); 253 } 254