// SPDX-FileCopyrightText: Copyright (c) 2017-2024, HONEE contributors. // SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause /// @file /// Utility functions for setting up EULER_VORTEX #include "../qfunctions/eulervortex.h" #include #include #include PetscErrorCode NS_EULER_VORTEX(ProblemData problem, DM dm, void *ctx, SimpleBC bc) { EulerTestType euler_test; User user = *(User *)ctx; StabilizationType stab; MPI_Comm comm = user->comm; Ceed ceed = user->ceed; PetscBool implicit; EulerContext euler_ctx; CeedQFunctionContext euler_qfctx; PetscInt dim; PetscFunctionBeginUser; PetscCall(PetscCalloc1(1, &euler_ctx)); // ------------------------------------------------------ // SET UP DENSITY_CURRENT // ------------------------------------------------------ problem->ics.qf_func_ptr = ICsEuler; problem->ics.qf_loc = ICsEuler_loc; problem->apply_vol_rhs.qf_func_ptr = Euler; problem->apply_vol_rhs.qf_loc = Euler_loc; problem->apply_vol_ifunction.qf_func_ptr = IFunction_Euler; problem->apply_vol_ifunction.qf_loc = IFunction_Euler_loc; problem->apply_inflow.qf_func_ptr = TravelingVortex_Inflow; problem->apply_inflow.qf_loc = TravelingVortex_Inflow_loc; problem->apply_outflow.qf_func_ptr = Euler_Outflow; problem->apply_outflow.qf_loc = Euler_Outflow_loc; problem->compute_exact_solution_error = PETSC_TRUE; problem->print_info = PRINT_EULER_VORTEX; // ------------------------------------------------------ // Create the libCEED context // ------------------------------------------------------ CeedScalar vortex_strength = 5.; // - CeedScalar c_tau = 0.5; // - // c_tau = 0.5 is reported as "optimal" in Hughes et al 2010 PetscReal center[3] = {0.}, // m mean_velocity[3] = {1., 1., 0}; // m/s PetscReal domain_min[3], domain_max[3], domain_size[3] = {0.}; PetscCall(DMGetBoundingBox(dm, domain_min, domain_max)); PetscCall(DMGetDimension(dm, &dim)); for (PetscInt i = 0; i < dim; i++) domain_size[i] = domain_max[i] - domain_min[i]; // ------------------------------------------------------ // Create the PETSc context // ------------------------------------------------------ PetscScalar meter = 1e-2; // 1 meter in scaled length units PetscScalar second = 1e-2; // 1 second in scaled time units // ------------------------------------------------------ // Command line Options // ------------------------------------------------------ PetscOptionsBegin(comm, NULL, "Options for EULER_VORTEX problem", NULL); // -- Physics PetscCall(PetscOptionsScalar("-vortex_strength", "Strength of Vortex", NULL, vortex_strength, &vortex_strength, NULL)); PetscInt n = dim; PetscBool user_velocity; PetscCall(PetscOptionsRealArray("-mean_velocity", "Background velocity vector", NULL, mean_velocity, &n, &user_velocity)); for (PetscInt i = 0; i < dim; i++) center[i] = .5 * domain_size[i]; n = dim; PetscCall(PetscOptionsRealArray("-center", "Location of vortex center", NULL, center, &n, NULL)); PetscCall(PetscOptionsBool("-implicit", "Use implicit (IFunction) formulation", NULL, implicit = PETSC_FALSE, &implicit, NULL)); PetscCall(PetscOptionsEnum("-euler_test", "Euler test option", NULL, EulerTestTypes, (PetscEnum)(euler_test = EULER_TEST_ISENTROPIC_VORTEX), (PetscEnum *)&euler_test, NULL)); PetscCall(PetscOptionsEnum("-stab", "Stabilization method", NULL, StabilizationTypes, (PetscEnum)(stab = STAB_NONE), (PetscEnum *)&stab, NULL)); PetscCall(PetscOptionsScalar("-c_tau", "Stabilization constant", NULL, c_tau, &c_tau, NULL)); // -- Units PetscCall(PetscOptionsScalar("-units_meter", "1 meter in scaled length units", NULL, meter, &meter, NULL)); meter = fabs(meter); PetscCall(PetscOptionsScalar("-units_second", "1 second in scaled time units", NULL, second, &second, NULL)); second = fabs(second); // -- Warnings if (stab == STAB_SUPG && !implicit) { PetscCall(PetscPrintf(comm, "Warning! Use -stab supg only with -implicit\n")); } if (user_velocity && (euler_test == EULER_TEST_1 || euler_test == EULER_TEST_3)) { PetscCall(PetscPrintf(comm, "Warning! Background velocity vector for -euler_test t1 and -euler_test t3 is (0,0,0)\n")); } PetscOptionsEnd(); // ------------------------------------------------------ // Set up the PETSc context // ------------------------------------------------------ user->units->meter = meter; user->units->second = second; // ------------------------------------------------------ // Set up the libCEED context // ------------------------------------------------------ // -- Scale variables to desired units for (PetscInt i = 0; i < 3; i++) { center[i] *= meter; domain_size[i] *= meter; mean_velocity[i] *= (meter / second); } // -- QFunction Context user->phys->implicit = implicit; euler_ctx->curr_time = 0.; euler_ctx->implicit = implicit; euler_ctx->euler_test = euler_test; euler_ctx->center[0] = center[0]; euler_ctx->center[1] = center[1]; euler_ctx->center[2] = center[2]; euler_ctx->vortex_strength = vortex_strength; euler_ctx->c_tau = c_tau; euler_ctx->mean_velocity[0] = mean_velocity[0]; euler_ctx->mean_velocity[1] = mean_velocity[1]; euler_ctx->mean_velocity[2] = mean_velocity[2]; euler_ctx->stabilization = stab; PetscCallCeed(ceed, CeedQFunctionContextCreate(user->ceed, &euler_qfctx)); PetscCallCeed(ceed, CeedQFunctionContextSetData(euler_qfctx, CEED_MEM_HOST, CEED_USE_POINTER, sizeof(*euler_ctx), euler_ctx)); PetscCallCeed(ceed, CeedQFunctionContextSetDataDestroy(euler_qfctx, CEED_MEM_HOST, FreeContextPetsc)); PetscCallCeed(ceed, CeedQFunctionContextRegisterDouble(euler_qfctx, "solution time", offsetof(struct EulerContext_, curr_time), 1, "Physical time of the solution")); PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_qfctx, &problem->ics.qfctx)); PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_qfctx, &problem->apply_vol_rhs.qfctx)); PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_qfctx, &problem->apply_vol_ifunction.qfctx)); PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_qfctx, &problem->apply_inflow.qfctx)); PetscCallCeed(ceed, CeedQFunctionContextReferenceCopy(euler_qfctx, &problem->apply_outflow.qfctx)); PetscCallCeed(ceed, CeedQFunctionContextDestroy(&euler_qfctx)); PetscFunctionReturn(PETSC_SUCCESS); } PetscErrorCode PRINT_EULER_VORTEX(User user, ProblemData problem, AppCtx app_ctx) { MPI_Comm comm = user->comm; Ceed ceed = user->ceed; EulerContext euler_ctx; PetscFunctionBeginUser; PetscCallCeed(ceed, CeedQFunctionContextGetData(problem->ics.qfctx, CEED_MEM_HOST, &euler_ctx)); PetscCall(PetscPrintf(comm, " Problem:\n" " Problem Name : %s\n" " Test Case : %s\n" " Background Velocity : %f,%f,%f\n" " Stabilization : %s\n", app_ctx->problem_name, EulerTestTypes[euler_ctx->euler_test], euler_ctx->mean_velocity[0], euler_ctx->mean_velocity[1], euler_ctx->mean_velocity[2], StabilizationTypes[euler_ctx->stabilization])); PetscCallCeed(ceed, CeedQFunctionContextRestoreData(problem->ics.qfctx, &euler_ctx)); PetscFunctionReturn(PETSC_SUCCESS); }