xref: /libCEED/examples/fluids/src/setuplibceed.c (revision 8687e1d445b8fb5c2aba1a76f10bd56e6cda067d)
1 // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors.
2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
3 //
4 // SPDX-License-Identifier: BSD-2-Clause
5 //
6 // This file is part of CEED:  http://github.com/ceed
7 
8 /// @file
9 /// Setup libCEED for Navier-Stokes example using PETSc
10 
11 #include "../navierstokes.h"
12 
13 // Utility function - essential BC dofs are encoded in closure indices as -(i+1).
14 PetscInt Involute(PetscInt i) {
15   return i >= 0 ? i : -(i+1);
16 }
17 
18 // Utility function to create local CEED restriction
19 PetscErrorCode CreateRestrictionFromPlex(Ceed ceed, DM dm, CeedInt height,
20     DMLabel domain_label, CeedInt value, CeedElemRestriction *elem_restr) {
21   PetscInt num_elem, elem_size, num_dof, num_comp, *elem_restr_offsets;
22   PetscErrorCode ierr;
23 
24   PetscFunctionBeginUser;
25   ierr = DMPlexGetLocalOffsets(dm, domain_label, value, height, 0, &num_elem,
26                                &elem_size, &num_comp, &num_dof, &elem_restr_offsets);
27   CHKERRQ(ierr);
28 
29   CeedElemRestrictionCreate(ceed, num_elem, elem_size, num_comp,
30                             1, num_dof, CEED_MEM_HOST, CEED_COPY_VALUES,
31                             elem_restr_offsets, elem_restr);
32   ierr = PetscFree(elem_restr_offsets); CHKERRQ(ierr);
33 
34   PetscFunctionReturn(0);
35 }
36 
37 // Utility function to get Ceed Restriction for each domain
38 PetscErrorCode GetRestrictionForDomain(Ceed ceed, DM dm, CeedInt height,
39                                        DMLabel domain_label, PetscInt value,
40                                        CeedInt Q, CeedInt q_data_size,
41                                        CeedElemRestriction *elem_restr_q,
42                                        CeedElemRestriction *elem_restr_x,
43                                        CeedElemRestriction *elem_restr_qd_i) {
44   DM             dm_coord;
45   CeedInt        dim, loc_num_elem;
46   CeedInt        Q_dim;
47   PetscErrorCode ierr;
48   PetscFunctionBeginUser;
49 
50   ierr = DMGetDimension(dm, &dim); CHKERRQ(ierr);
51   dim -= height;
52   Q_dim = CeedIntPow(Q, dim);
53   ierr = DMGetCoordinateDM(dm, &dm_coord); CHKERRQ(ierr);
54   ierr = DMPlexSetClosurePermutationTensor(dm_coord, PETSC_DETERMINE, NULL);
55   CHKERRQ(ierr);
56   ierr = CreateRestrictionFromPlex(ceed, dm, height, domain_label, value,
57                                    elem_restr_q);
58   CHKERRQ(ierr);
59   ierr = CreateRestrictionFromPlex(ceed, dm_coord, height, domain_label, value,
60                                    elem_restr_x);
61   CHKERRQ(ierr);
62   CeedElemRestrictionGetNumElements(*elem_restr_q, &loc_num_elem);
63   CeedElemRestrictionCreateStrided(ceed, loc_num_elem, Q_dim,
64                                    q_data_size, q_data_size*loc_num_elem*Q_dim,
65                                    CEED_STRIDES_BACKEND, elem_restr_qd_i);
66   PetscFunctionReturn(0);
67 }
68 
69 // Utility function to create CEED Composite Operator for the entire domain
70 PetscErrorCode CreateOperatorForDomain(Ceed ceed, DM dm, SimpleBC bc,
71                                        CeedData ceed_data, Physics phys,
72                                        CeedOperator op_apply_vol, CeedInt height,
73                                        CeedInt P_sur, CeedInt Q_sur, CeedInt q_data_size_sur,
74                                        CeedOperator *op_apply) {
75   //CeedInt        dim;
76   DMLabel        domain_label;
77   PetscErrorCode ierr;
78   PetscFunctionBeginUser;
79 
80   // Create Composite Operaters
81   CeedCompositeOperatorCreate(ceed, op_apply);
82 
83   // --Apply Sub-Operator for the volume
84   CeedCompositeOperatorAddSub(*op_apply, op_apply_vol);
85 
86   // -- Create Sub-Operator for in/outflow BCs
87   if (phys->has_neumann || 1) {
88     // --- Setup
89     ierr = DMGetLabel(dm, "Face Sets", &domain_label); CHKERRQ(ierr);
90     //ierr = DMGetDimension(dm, &dim); CHKERRQ(ierr);
91 
92     // --- Get number of quadrature points for the boundaries
93     CeedInt num_qpts_sur;
94     CeedBasisGetNumQuadraturePoints(ceed_data->basis_q_sur, &num_qpts_sur);
95 
96     // --- Create Sub-Operator for inflow boundaries
97     for (CeedInt i=0; i < bc->num_inflow; i++) {
98       CeedVector          q_data_sur;
99       CeedOperator        op_setup_sur, op_apply_inflow;
100       CeedElemRestriction elem_restr_x_sur, elem_restr_q_sur, elem_restr_qd_i_sur;
101 
102       // ---- CEED Restriction
103       ierr = GetRestrictionForDomain(ceed, dm, height, domain_label, bc->inflows[i],
104                                      Q_sur, q_data_size_sur, &elem_restr_q_sur, &elem_restr_x_sur,
105                                      &elem_restr_qd_i_sur);
106       CHKERRQ(ierr);
107 
108       // ---- CEED Vector
109       PetscInt loc_num_elem_sur;
110       CeedElemRestrictionGetNumElements(elem_restr_q_sur, &loc_num_elem_sur);
111       CeedVectorCreate(ceed, q_data_size_sur*loc_num_elem_sur*num_qpts_sur,
112                        &q_data_sur);
113 
114       // ---- CEED Operator
115       // ----- CEED Operator for Setup (geometric factors)
116       CeedOperatorCreate(ceed, ceed_data->qf_setup_sur, NULL, NULL, &op_setup_sur);
117       CeedOperatorSetField(op_setup_sur, "dx", elem_restr_x_sur,
118                            ceed_data->basis_x_sur, CEED_VECTOR_ACTIVE);
119       CeedOperatorSetField(op_setup_sur, "weight", CEED_ELEMRESTRICTION_NONE,
120                            ceed_data->basis_x_sur, CEED_VECTOR_NONE);
121       CeedOperatorSetField(op_setup_sur, "surface qdata", elem_restr_qd_i_sur,
122                            CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE);
123 
124       // ----- CEED Operator for Physics
125       CeedOperatorCreate(ceed, ceed_data->qf_apply_inflow, NULL, NULL,
126                          &op_apply_inflow);
127       CeedOperatorSetField(op_apply_inflow, "q", elem_restr_q_sur,
128                            ceed_data->basis_q_sur, CEED_VECTOR_ACTIVE);
129       CeedOperatorSetField(op_apply_inflow, "surface qdata", elem_restr_qd_i_sur,
130                            CEED_BASIS_COLLOCATED, q_data_sur);
131       CeedOperatorSetField(op_apply_inflow, "x", elem_restr_x_sur,
132                            ceed_data->basis_x_sur, ceed_data->x_coord);
133       CeedOperatorSetField(op_apply_inflow, "v", elem_restr_q_sur,
134                            ceed_data->basis_q_sur, CEED_VECTOR_ACTIVE);
135 
136       // ----- Apply CEED operator for Setup
137       CeedOperatorApply(op_setup_sur, ceed_data->x_coord, q_data_sur,
138                         CEED_REQUEST_IMMEDIATE);
139 
140       // ----- Apply Sub-Operator for Physics
141       CeedCompositeOperatorAddSub(*op_apply, op_apply_inflow);
142 
143       // ----- Cleanup
144       CeedVectorDestroy(&q_data_sur);
145       CeedElemRestrictionDestroy(&elem_restr_q_sur);
146       CeedElemRestrictionDestroy(&elem_restr_x_sur);
147       CeedElemRestrictionDestroy(&elem_restr_qd_i_sur);
148       CeedOperatorDestroy(&op_setup_sur);
149       CeedOperatorDestroy(&op_apply_inflow);
150     }
151 
152     // --- Create Sub-Operator for outflow boundaries
153     for (CeedInt i=0; i < bc->num_outflow; i++) {
154       CeedVector          q_data_sur;
155       CeedOperator        op_setup_sur, op_apply_outflow;
156       CeedElemRestriction elem_restr_x_sur, elem_restr_q_sur, elem_restr_qd_i_sur;
157 
158       // ---- CEED Restriction
159       ierr = GetRestrictionForDomain(ceed, dm, height, domain_label, bc->outflows[i],
160                                      Q_sur, q_data_size_sur, &elem_restr_q_sur, &elem_restr_x_sur,
161                                      &elem_restr_qd_i_sur);
162       CHKERRQ(ierr);
163 
164       // ---- CEED Vector
165       PetscInt loc_num_elem_sur;
166       CeedElemRestrictionGetNumElements(elem_restr_q_sur, &loc_num_elem_sur);
167       CeedVectorCreate(ceed, q_data_size_sur*loc_num_elem_sur*num_qpts_sur,
168                        &q_data_sur);
169 
170       // ---- CEED Operator
171       // ----- CEED Operator for Setup (geometric factors)
172       CeedOperatorCreate(ceed, ceed_data->qf_setup_sur, NULL, NULL, &op_setup_sur);
173       CeedOperatorSetField(op_setup_sur, "dx", elem_restr_x_sur,
174                            ceed_data->basis_x_sur, CEED_VECTOR_ACTIVE);
175       CeedOperatorSetField(op_setup_sur, "weight", CEED_ELEMRESTRICTION_NONE,
176                            ceed_data->basis_x_sur, CEED_VECTOR_NONE);
177       CeedOperatorSetField(op_setup_sur, "surface qdata", elem_restr_qd_i_sur,
178                            CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE);
179 
180       // ----- CEED Operator for Physics
181       CeedOperatorCreate(ceed, ceed_data->qf_apply_outflow, NULL, NULL,
182                          &op_apply_outflow);
183       CeedOperatorSetField(op_apply_outflow, "q", elem_restr_q_sur,
184                            ceed_data->basis_q_sur, CEED_VECTOR_ACTIVE);
185       CeedOperatorSetField(op_apply_outflow, "surface qdata", elem_restr_qd_i_sur,
186                            CEED_BASIS_COLLOCATED, q_data_sur);
187       CeedOperatorSetField(op_apply_outflow, "x", elem_restr_x_sur,
188                            ceed_data->basis_x_sur, ceed_data->x_coord);
189       CeedOperatorSetField(op_apply_outflow, "v", elem_restr_q_sur,
190                            ceed_data->basis_q_sur, CEED_VECTOR_ACTIVE);
191 
192       // ----- Apply CEED operator for Setup
193       CeedOperatorApply(op_setup_sur, ceed_data->x_coord, q_data_sur,
194                         CEED_REQUEST_IMMEDIATE);
195 
196       // ----- Apply Sub-Operator for Physics
197       CeedCompositeOperatorAddSub(*op_apply, op_apply_outflow);
198 
199       // ----- Cleanup
200       CeedVectorDestroy(&q_data_sur);
201       CeedElemRestrictionDestroy(&elem_restr_q_sur);
202       CeedElemRestrictionDestroy(&elem_restr_x_sur);
203       CeedElemRestrictionDestroy(&elem_restr_qd_i_sur);
204       CeedOperatorDestroy(&op_setup_sur);
205       CeedOperatorDestroy(&op_apply_outflow);
206     }
207   }
208 
209   // ----- Get Context Labels for Operator
210   CeedOperatorContextGetFieldLabel(*op_apply, "solution time",
211                                    &phys->solution_time_label);
212   CeedOperatorContextGetFieldLabel(*op_apply, "timestep size",
213                                    &phys->timestep_size_label);
214 
215   PetscFunctionReturn(0);
216 }
217 
218 PetscErrorCode SetupLibceed(Ceed ceed, CeedData ceed_data, DM dm, User user,
219                             AppCtx app_ctx, ProblemData *problem, SimpleBC bc) {
220   PetscErrorCode ierr;
221   PetscFunctionBeginUser;
222 
223   // *****************************************************************************
224   // Set up CEED objects for the interior domain (volume)
225   // *****************************************************************************
226   const PetscInt num_comp_q      = 5;
227   const CeedInt  dim             = problem->dim,
228                  num_comp_x      = problem->dim,
229                  q_data_size_vol = problem->q_data_size_vol,
230                  P               = app_ctx->degree + 1,
231                  Q               = P + app_ctx->q_extra;
232 
233   // -----------------------------------------------------------------------------
234   // CEED Bases
235   // -----------------------------------------------------------------------------
236   CeedBasisCreateTensorH1Lagrange(ceed, dim, num_comp_q, P, Q, CEED_GAUSS,
237                                   &ceed_data->basis_q);
238   CeedBasisCreateTensorH1Lagrange(ceed, dim, num_comp_x, 2, Q, CEED_GAUSS,
239                                   &ceed_data->basis_x);
240   CeedBasisCreateTensorH1Lagrange(ceed, dim, num_comp_x, 2, P,
241                                   CEED_GAUSS_LOBATTO, &ceed_data->basis_xc);
242 
243   // -----------------------------------------------------------------------------
244   // CEED Restrictions
245   // -----------------------------------------------------------------------------
246   // -- Create restriction
247   ierr = GetRestrictionForDomain(ceed, dm, 0, 0, 0, Q, q_data_size_vol,
248                                  &ceed_data->elem_restr_q, &ceed_data->elem_restr_x,
249                                  &ceed_data->elem_restr_qd_i); CHKERRQ(ierr);
250   // -- Create E vectors
251   CeedElemRestrictionCreateVector(ceed_data->elem_restr_q, &user->q_ceed, NULL);
252   CeedElemRestrictionCreateVector(ceed_data->elem_restr_q, &user->q_dot_ceed,
253                                   NULL);
254   CeedElemRestrictionCreateVector(ceed_data->elem_restr_q, &user->g_ceed, NULL);
255 
256   // -----------------------------------------------------------------------------
257   // CEED QFunctions
258   // -----------------------------------------------------------------------------
259   // -- Create QFunction for quadrature data
260   CeedQFunctionCreateInterior(ceed, 1, problem->setup_vol.qfunction,
261                               problem->setup_vol.qfunction_loc,
262                               &ceed_data->qf_setup_vol);
263   if (problem->setup_vol.qfunction_context) {
264     CeedQFunctionSetContext(ceed_data->qf_setup_vol,
265                             problem->setup_vol.qfunction_context);
266     CeedQFunctionContextDestroy(&problem->setup_vol.qfunction_context);
267   }
268   CeedQFunctionAddInput(ceed_data->qf_setup_vol, "dx", num_comp_x*dim,
269                         CEED_EVAL_GRAD);
270   CeedQFunctionAddInput(ceed_data->qf_setup_vol, "weight", 1, CEED_EVAL_WEIGHT);
271   CeedQFunctionAddOutput(ceed_data->qf_setup_vol, "qdata", q_data_size_vol,
272                          CEED_EVAL_NONE);
273 
274   // -- Create QFunction for ICs
275   CeedQFunctionCreateInterior(ceed, 1, problem->ics.qfunction,
276                               problem->ics.qfunction_loc,
277                               &ceed_data->qf_ics);
278   CeedQFunctionSetContext(ceed_data->qf_ics, problem->ics.qfunction_context);
279   CeedQFunctionContextDestroy(&problem->ics.qfunction_context);
280   CeedQFunctionAddInput(ceed_data->qf_ics, "x", num_comp_x, CEED_EVAL_INTERP);
281   CeedQFunctionAddOutput(ceed_data->qf_ics, "q0", num_comp_q, CEED_EVAL_NONE);
282 
283   // -- Create QFunction for RHS
284   if (problem->apply_vol_rhs.qfunction) {
285     CeedQFunctionCreateInterior(ceed, 1, problem->apply_vol_rhs.qfunction,
286                                 problem->apply_vol_rhs.qfunction_loc, &ceed_data->qf_rhs_vol);
287     CeedQFunctionSetContext(ceed_data->qf_rhs_vol,
288                             problem->apply_vol_rhs.qfunction_context);
289     CeedQFunctionContextDestroy(&problem->apply_vol_rhs.qfunction_context);
290     CeedQFunctionAddInput(ceed_data->qf_rhs_vol, "q", num_comp_q, CEED_EVAL_INTERP);
291     CeedQFunctionAddInput(ceed_data->qf_rhs_vol, "dq", num_comp_q*dim,
292                           CEED_EVAL_GRAD);
293     CeedQFunctionAddInput(ceed_data->qf_rhs_vol, "qdata", q_data_size_vol,
294                           CEED_EVAL_NONE);
295     CeedQFunctionAddInput(ceed_data->qf_rhs_vol, "x", num_comp_x, CEED_EVAL_INTERP);
296     CeedQFunctionAddOutput(ceed_data->qf_rhs_vol, "v", num_comp_q,
297                            CEED_EVAL_INTERP);
298     CeedQFunctionAddOutput(ceed_data->qf_rhs_vol, "dv", num_comp_q*dim,
299                            CEED_EVAL_GRAD);
300   }
301 
302   // -- Create QFunction for IFunction
303   if (problem->apply_vol_ifunction.qfunction) {
304     CeedQFunctionCreateInterior(ceed, 1, problem->apply_vol_ifunction.qfunction,
305                                 problem->apply_vol_ifunction.qfunction_loc, &ceed_data->qf_ifunction_vol);
306     CeedQFunctionSetContext(ceed_data->qf_ifunction_vol,
307                             problem->apply_vol_ifunction.qfunction_context);
308     CeedQFunctionContextDestroy(&problem->apply_vol_ifunction.qfunction_context);
309     CeedQFunctionAddInput(ceed_data->qf_ifunction_vol, "q", num_comp_q,
310                           CEED_EVAL_INTERP);
311     CeedQFunctionAddInput(ceed_data->qf_ifunction_vol, "dq", num_comp_q*dim,
312                           CEED_EVAL_GRAD);
313     CeedQFunctionAddInput(ceed_data->qf_ifunction_vol, "q dot", num_comp_q,
314                           CEED_EVAL_INTERP);
315     CeedQFunctionAddInput(ceed_data->qf_ifunction_vol, "qdata", q_data_size_vol,
316                           CEED_EVAL_NONE);
317     CeedQFunctionAddInput(ceed_data->qf_ifunction_vol, "x", num_comp_x,
318                           CEED_EVAL_INTERP);
319     CeedQFunctionAddOutput(ceed_data->qf_ifunction_vol, "v", num_comp_q,
320                            CEED_EVAL_INTERP);
321     CeedQFunctionAddOutput(ceed_data->qf_ifunction_vol, "dv", num_comp_q*dim,
322                            CEED_EVAL_GRAD);
323   }
324 
325   // ---------------------------------------------------------------------------
326   // Element coordinates
327   // ---------------------------------------------------------------------------
328   // -- Create CEED vector
329   CeedElemRestrictionCreateVector(ceed_data->elem_restr_x, &ceed_data->x_coord,
330                                   NULL);
331 
332   // -- Copy PETSc vector in CEED vector
333   Vec               X_loc;
334   const PetscScalar *X_loc_array;
335   ierr = DMGetCoordinatesLocal(dm, &X_loc); CHKERRQ(ierr);
336   ierr = VecScale(X_loc, problem->dm_scale); CHKERRQ(ierr);
337   ierr = VecGetArrayRead(X_loc, &X_loc_array); CHKERRQ(ierr);
338   CeedVectorSetArray(ceed_data->x_coord, CEED_MEM_HOST, CEED_COPY_VALUES,
339                      (PetscScalar *)X_loc_array);
340   ierr = VecRestoreArrayRead(X_loc, &X_loc_array); CHKERRQ(ierr);
341 
342   // -----------------------------------------------------------------------------
343   // CEED vectors
344   // -----------------------------------------------------------------------------
345   // -- Create CEED vector for geometric data
346   CeedInt  num_qpts_vol;
347   PetscInt loc_num_elem_vol;
348   CeedBasisGetNumQuadraturePoints(ceed_data->basis_q, &num_qpts_vol);
349   CeedElemRestrictionGetNumElements(ceed_data->elem_restr_q, &loc_num_elem_vol);
350   CeedVectorCreate(ceed, q_data_size_vol*loc_num_elem_vol*num_qpts_vol,
351                    &ceed_data->q_data);
352 
353   // -----------------------------------------------------------------------------
354   // CEED Operators
355   // -----------------------------------------------------------------------------
356   // -- Create CEED operator for quadrature data
357   CeedOperatorCreate(ceed, ceed_data->qf_setup_vol, NULL, NULL,
358                      &ceed_data->op_setup_vol);
359   CeedOperatorSetField(ceed_data->op_setup_vol, "dx", ceed_data->elem_restr_x,
360                        ceed_data->basis_x, CEED_VECTOR_ACTIVE);
361   CeedOperatorSetField(ceed_data->op_setup_vol, "weight",
362                        CEED_ELEMRESTRICTION_NONE, ceed_data->basis_x, CEED_VECTOR_NONE);
363   CeedOperatorSetField(ceed_data->op_setup_vol, "qdata",
364                        ceed_data->elem_restr_qd_i, CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE);
365 
366   // -- Create CEED operator for ICs
367   CeedOperatorCreate(ceed, ceed_data->qf_ics, NULL, NULL, &ceed_data->op_ics);
368   CeedOperatorSetField(ceed_data->op_ics, "x", ceed_data->elem_restr_x,
369                        ceed_data->basis_xc, CEED_VECTOR_ACTIVE);
370   CeedOperatorSetField(ceed_data->op_ics, "q0", ceed_data->elem_restr_q,
371                        CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE);
372   CeedOperatorContextGetFieldLabel(ceed_data->op_ics, "evaluation time",
373                                    &user->phys->ics_time_label);
374 
375   // Create CEED operator for RHS
376   if (ceed_data->qf_rhs_vol) {
377     CeedOperator op;
378     CeedOperatorCreate(ceed, ceed_data->qf_rhs_vol, NULL, NULL, &op);
379     CeedOperatorSetField(op, "q", ceed_data->elem_restr_q, ceed_data->basis_q,
380                          CEED_VECTOR_ACTIVE);
381     CeedOperatorSetField(op, "dq", ceed_data->elem_restr_q, ceed_data->basis_q,
382                          CEED_VECTOR_ACTIVE);
383     CeedOperatorSetField(op, "qdata", ceed_data->elem_restr_qd_i,
384                          CEED_BASIS_COLLOCATED, ceed_data->q_data);
385     CeedOperatorSetField(op, "x", ceed_data->elem_restr_x, ceed_data->basis_x,
386                          ceed_data->x_coord);
387     CeedOperatorSetField(op, "v", ceed_data->elem_restr_q, ceed_data->basis_q,
388                          CEED_VECTOR_ACTIVE);
389     CeedOperatorSetField(op, "dv", ceed_data->elem_restr_q, ceed_data->basis_q,
390                          CEED_VECTOR_ACTIVE);
391     user->op_rhs_vol = op;
392   }
393 
394   // -- CEED operator for IFunction
395   if (ceed_data->qf_ifunction_vol) {
396     CeedOperator op;
397     CeedOperatorCreate(ceed, ceed_data->qf_ifunction_vol, NULL, NULL, &op);
398     CeedOperatorSetField(op, "q", ceed_data->elem_restr_q, ceed_data->basis_q,
399                          CEED_VECTOR_ACTIVE);
400     CeedOperatorSetField(op, "dq", ceed_data->elem_restr_q, ceed_data->basis_q,
401                          CEED_VECTOR_ACTIVE);
402     CeedOperatorSetField(op, "q dot", ceed_data->elem_restr_q, ceed_data->basis_q,
403                          user->q_dot_ceed);
404     CeedOperatorSetField(op, "qdata", ceed_data->elem_restr_qd_i,
405                          CEED_BASIS_COLLOCATED, ceed_data->q_data);
406     CeedOperatorSetField(op, "x", ceed_data->elem_restr_x, ceed_data->basis_x,
407                          ceed_data->x_coord);
408     CeedOperatorSetField(op, "v", ceed_data->elem_restr_q, ceed_data->basis_q,
409                          CEED_VECTOR_ACTIVE);
410     CeedOperatorSetField(op, "dv", ceed_data->elem_restr_q, ceed_data->basis_q,
411                          CEED_VECTOR_ACTIVE);
412     user->op_ifunction_vol = op;
413   }
414 
415   // *****************************************************************************
416   // Set up CEED objects for the exterior domain (surface)
417   // *****************************************************************************
418   CeedInt height  = 1,
419           dim_sur = dim - height,
420           P_sur   = app_ctx->degree + 1,
421           Q_sur   = P_sur + app_ctx->q_extra;
422   const CeedInt q_data_size_sur = problem->q_data_size_sur;
423 
424   // -----------------------------------------------------------------------------
425   // CEED Bases
426   // -----------------------------------------------------------------------------
427   CeedBasisCreateTensorH1Lagrange(ceed, dim_sur, num_comp_q, P_sur, Q_sur,
428                                   CEED_GAUSS, &ceed_data->basis_q_sur);
429   CeedBasisCreateTensorH1Lagrange(ceed, dim_sur, num_comp_x, 2, Q_sur, CEED_GAUSS,
430                                   &ceed_data->basis_x_sur);
431 
432   // -----------------------------------------------------------------------------
433   // CEED QFunctions
434   // -----------------------------------------------------------------------------
435   // -- Create QFunction for quadrature data
436   CeedQFunctionCreateInterior(ceed, 1, problem->setup_sur.qfunction,
437                               problem->setup_sur.qfunction_loc,
438                               &ceed_data->qf_setup_sur);
439   if (problem->setup_sur.qfunction_context) {
440     CeedQFunctionSetContext(ceed_data->qf_setup_sur,
441                             problem->setup_sur.qfunction_context);
442     CeedQFunctionContextDestroy(&problem->setup_sur.qfunction_context);
443   }
444   CeedQFunctionAddInput(ceed_data->qf_setup_sur, "dx", num_comp_x*dim_sur,
445                         CEED_EVAL_GRAD);
446   CeedQFunctionAddInput(ceed_data->qf_setup_sur, "weight", 1, CEED_EVAL_WEIGHT);
447   CeedQFunctionAddOutput(ceed_data->qf_setup_sur, "surface qdata",
448                          q_data_size_sur, CEED_EVAL_NONE);
449 
450   // -- Creat QFunction for inflow boundaries
451   if (problem->apply_inflow.qfunction) {
452     CeedQFunctionCreateInterior(ceed, 1, problem->apply_inflow.qfunction,
453                                 problem->apply_inflow.qfunction_loc, &ceed_data->qf_apply_inflow);
454     CeedQFunctionSetContext(ceed_data->qf_apply_inflow,
455                             problem->apply_inflow.qfunction_context);
456     CeedQFunctionContextDestroy(&problem->apply_inflow.qfunction_context);
457     CeedQFunctionAddInput(ceed_data->qf_apply_inflow, "q", num_comp_q,
458                           CEED_EVAL_INTERP);
459     CeedQFunctionAddInput(ceed_data->qf_apply_inflow, "surface qdata",
460                           q_data_size_sur, CEED_EVAL_NONE);
461     CeedQFunctionAddInput(ceed_data->qf_apply_inflow, "x", num_comp_x,
462                           CEED_EVAL_INTERP);
463     CeedQFunctionAddOutput(ceed_data->qf_apply_inflow, "v", num_comp_q,
464                            CEED_EVAL_INTERP);
465   }
466 
467   // -- Creat QFunction for outflow boundaries
468   if (problem->apply_outflow.qfunction) {
469     CeedQFunctionCreateInterior(ceed, 1, problem->apply_outflow.qfunction,
470                                 problem->apply_outflow.qfunction_loc, &ceed_data->qf_apply_outflow);
471     CeedQFunctionSetContext(ceed_data->qf_apply_outflow,
472                             problem->apply_outflow.qfunction_context);
473     CeedQFunctionContextDestroy(&problem->apply_outflow.qfunction_context);
474     CeedQFunctionAddInput(ceed_data->qf_apply_outflow, "q", num_comp_q,
475                           CEED_EVAL_INTERP);
476     CeedQFunctionAddInput(ceed_data->qf_apply_outflow, "surface qdata",
477                           q_data_size_sur, CEED_EVAL_NONE);
478     CeedQFunctionAddInput(ceed_data->qf_apply_outflow, "x", num_comp_x,
479                           CEED_EVAL_INTERP);
480     CeedQFunctionAddOutput(ceed_data->qf_apply_outflow, "v", num_comp_q,
481                            CEED_EVAL_INTERP);
482   }
483 
484   // *****************************************************************************
485   // CEED Operator Apply
486   // *****************************************************************************
487   // -- Apply CEED Operator for the geometric data
488   CeedOperatorApply(ceed_data->op_setup_vol, ceed_data->x_coord,
489                     ceed_data->q_data, CEED_REQUEST_IMMEDIATE);
490 
491   // -- Create and apply CEED Composite Operator for the entire domain
492   if (!user->phys->implicit) { // RHS
493     ierr = CreateOperatorForDomain(ceed, dm, bc, ceed_data, user->phys,
494                                    user->op_rhs_vol, height, P_sur, Q_sur,
495                                    q_data_size_sur, &user->op_rhs); CHKERRQ(ierr);
496   } else { // IFunction
497     ierr = CreateOperatorForDomain(ceed, dm, bc, ceed_data, user->phys,
498                                    user->op_ifunction_vol, height, P_sur, Q_sur,
499                                    q_data_size_sur, &user->op_ifunction); CHKERRQ(ierr);
500   }
501 
502   PetscFunctionReturn(0);
503 }
504