xref: /honee/problems/gaussianwave.c (revision e14e7b81f6b12c12148cb220f191235917d908d9)
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 Gaussian Wave problem
6 
7 #include "../qfunctions/gaussianwave.h"
8 
9 #include <ceed.h>
10 #include <petscdm.h>
11 
12 #include <navierstokes.h>
13 #include "../qfunctions/bc_freestream_type.h"
14 
NS_GAUSSIAN_WAVE(ProblemData problem,DM dm,void * ctx)15 PetscErrorCode NS_GAUSSIAN_WAVE(ProblemData problem, DM dm, void *ctx) {
16   Honee                    honee = *(Honee *)ctx;
17   MPI_Comm                 comm  = honee->comm;
18   Ceed                     ceed  = honee->ceed;
19   GaussianWaveContext      gausswave_ctx;
20   NewtonianIdealGasContext newtonian_ig_ctx;
21   CeedQFunctionContext     gausswave_qfctx;
22 
23   PetscFunctionBeginUser;
24   PetscCall(NS_NEWTONIAN_IG(problem, dm, ctx));
25 
26   // -- Option Defaults
27   CeedScalar epicenter[3] = {0.};   // m
28   CeedScalar width        = 0.002;  // m
29   CeedScalar amplitude    = 0.1;    // -
30 
31   PetscOptionsBegin(comm, NULL, "Options for GAUSSIAN_WAVE problem", NULL);
32   PetscInt narray = 3;
33   PetscCall(PetscOptionsScalarArray("-epicenter", "Coordinates of center of wave", NULL, epicenter, &narray, NULL));
34   PetscCheck(narray == 3, comm, PETSC_ERR_ARG_SIZ, "-epicenter should recieve array of size 3, instead recieved size %" PetscInt_FMT ".", narray);
35   PetscCall(PetscOptionsScalar("-width", "Width parameter for perturbation size", NULL, width, &width, NULL));
36   PetscCall(PetscOptionsScalar("-amplitude", "Amplitude of the perturbation", NULL, amplitude, &amplitude, NULL));
37   PetscOptionsEnd();
38 
39   width *= honee->units->meter;
40   for (int i = 0; i < 3; i++) epicenter[i] *= honee->units->meter;
41 
42   // -- Set gausswave_ctx struct values
43   PetscCall(PetscNew(&gausswave_ctx));
44   PetscCallCeed(ceed, CeedQFunctionContextGetData(problem->apply_vol_rhs.qfctx, CEED_MEM_HOST, &newtonian_ig_ctx));
45   for (PetscCount b = 0; b < problem->num_bc_defs; b++) {
46     BCDefinition  bc_def = problem->bc_defs[b];
47     HoneeBCStruct honee_bc;
48     const char   *name;
49 
50     PetscCall(BCDefinitionGetInfo(bc_def, &name, NULL, NULL));
51     if (!strcmp(name, "freestream")) {
52       FreestreamContext freestream_ctx;
53       PetscCall(BCDefinitionGetContext(bc_def, &honee_bc));
54       PetscCallCeed(ceed, CeedQFunctionContextGetData(honee_bc->qfctx, CEED_MEM_HOST, &freestream_ctx));
55       gausswave_ctx->S_infty = freestream_ctx->S_infty;
56       PetscCallCeed(ceed, CeedQFunctionContextRestoreData(honee_bc->qfctx, &freestream_ctx));
57       break;
58     }
59   }
60 
61   gausswave_ctx->amplitude = amplitude;
62   gausswave_ctx->width     = width;
63   gausswave_ctx->newt_ctx  = *newtonian_ig_ctx;
64   PetscCall(PetscArraycpy(gausswave_ctx->epicenter, epicenter, 3));
65 
66   PetscCallCeed(ceed, CeedQFunctionContextRestoreData(problem->apply_vol_rhs.qfctx, &newtonian_ig_ctx));
67 
68   PetscCallCeed(ceed, CeedQFunctionContextCreate(honee->ceed, &gausswave_qfctx));
69   PetscCallCeed(ceed, CeedQFunctionContextSetData(gausswave_qfctx, CEED_MEM_HOST, CEED_USE_POINTER, sizeof(*gausswave_ctx), gausswave_ctx));
70   PetscCallCeed(ceed, CeedQFunctionContextSetDataDestroy(gausswave_qfctx, CEED_MEM_HOST, FreeContextPetsc));
71   PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->ics.qfctx));
72 
73   switch (honee->phys->state_var) {
74     case STATEVAR_CONSERVATIVE:
75       problem->ics = (HoneeQFSpec){.qf_func_ptr = IC_GaussianWave_Conserv, .qf_loc = IC_GaussianWave_Conserv_loc};
76       break;
77     case STATEVAR_PRIMITIVE:
78       problem->ics = (HoneeQFSpec){.qf_func_ptr = IC_GaussianWave_Prim, .qf_loc = IC_GaussianWave_Prim_loc};
79       break;
80     case STATEVAR_ENTROPY:
81       problem->ics = (HoneeQFSpec){.qf_func_ptr = IC_GaussianWave_Entropy, .qf_loc = IC_GaussianWave_Entropy_loc};
82       break;
83   }
84   problem->ics.qfctx = gausswave_qfctx;
85   PetscFunctionReturn(PETSC_SUCCESS);
86 }
87