xref: /libCEED/examples/fluids/src/setuplibceed.c (revision 88626eed6564cd43033d3137230605fb5f962840)
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, SetupContext setup_ctx) {
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, problem->setup_vol_loc,
261                               &ceed_data->qf_setup_vol);
262   CeedQFunctionAddInput(ceed_data->qf_setup_vol, "dx", num_comp_x*dim,
263                         CEED_EVAL_GRAD);
264   CeedQFunctionAddInput(ceed_data->qf_setup_vol, "weight", 1, CEED_EVAL_WEIGHT);
265   CeedQFunctionAddOutput(ceed_data->qf_setup_vol, "qdata", q_data_size_vol,
266                          CEED_EVAL_NONE);
267 
268   // -- Create QFunction for ICs
269   CeedQFunctionCreateInterior(ceed, 1, problem->ics, problem->ics_loc,
270                               &ceed_data->qf_ics);
271   CeedQFunctionAddInput(ceed_data->qf_ics, "x", num_comp_x, CEED_EVAL_INTERP);
272   CeedQFunctionAddOutput(ceed_data->qf_ics, "q0", num_comp_q, CEED_EVAL_NONE);
273 
274   // -- Create QFunction for RHS
275   if (problem->apply_vol_rhs) {
276     CeedQFunctionCreateInterior(ceed, 1, problem->apply_vol_rhs,
277                                 problem->apply_vol_rhs_loc, &ceed_data->qf_rhs_vol);
278     CeedQFunctionAddInput(ceed_data->qf_rhs_vol, "q", num_comp_q, CEED_EVAL_INTERP);
279     CeedQFunctionAddInput(ceed_data->qf_rhs_vol, "dq", num_comp_q*dim,
280                           CEED_EVAL_GRAD);
281     CeedQFunctionAddInput(ceed_data->qf_rhs_vol, "qdata", q_data_size_vol,
282                           CEED_EVAL_NONE);
283     CeedQFunctionAddInput(ceed_data->qf_rhs_vol, "x", num_comp_x, CEED_EVAL_INTERP);
284     CeedQFunctionAddOutput(ceed_data->qf_rhs_vol, "v", num_comp_q,
285                            CEED_EVAL_INTERP);
286     CeedQFunctionAddOutput(ceed_data->qf_rhs_vol, "dv", num_comp_q*dim,
287                            CEED_EVAL_GRAD);
288   }
289 
290   // -- Create QFunction for IFunction
291   if (problem->apply_vol_ifunction) {
292     CeedQFunctionCreateInterior(ceed, 1, problem->apply_vol_ifunction,
293                                 problem->apply_vol_ifunction_loc, &ceed_data->qf_ifunction_vol);
294     CeedQFunctionAddInput(ceed_data->qf_ifunction_vol, "q", num_comp_q,
295                           CEED_EVAL_INTERP);
296     CeedQFunctionAddInput(ceed_data->qf_ifunction_vol, "dq", num_comp_q*dim,
297                           CEED_EVAL_GRAD);
298     CeedQFunctionAddInput(ceed_data->qf_ifunction_vol, "q dot", num_comp_q,
299                           CEED_EVAL_INTERP);
300     CeedQFunctionAddInput(ceed_data->qf_ifunction_vol, "qdata", q_data_size_vol,
301                           CEED_EVAL_NONE);
302     CeedQFunctionAddInput(ceed_data->qf_ifunction_vol, "x", num_comp_x,
303                           CEED_EVAL_INTERP);
304     CeedQFunctionAddOutput(ceed_data->qf_ifunction_vol, "v", num_comp_q,
305                            CEED_EVAL_INTERP);
306     CeedQFunctionAddOutput(ceed_data->qf_ifunction_vol, "dv", num_comp_q*dim,
307                            CEED_EVAL_GRAD);
308   }
309 
310   // ---------------------------------------------------------------------------
311   // Element coordinates
312   // ---------------------------------------------------------------------------
313   // -- Create CEED vector
314   CeedElemRestrictionCreateVector(ceed_data->elem_restr_x, &ceed_data->x_coord,
315                                   NULL);
316 
317   // -- Copy PETSc vector in CEED vector
318   Vec               X_loc;
319   const PetscScalar *X_loc_array;
320   ierr = DMGetCoordinatesLocal(dm, &X_loc); CHKERRQ(ierr);
321   ierr = VecScale(X_loc, problem->dm_scale); CHKERRQ(ierr);
322   ierr = VecGetArrayRead(X_loc, &X_loc_array); CHKERRQ(ierr);
323   CeedVectorSetArray(ceed_data->x_coord, CEED_MEM_HOST, CEED_COPY_VALUES,
324                      (PetscScalar *)X_loc_array);
325   ierr = VecRestoreArrayRead(X_loc, &X_loc_array); CHKERRQ(ierr);
326 
327   // -----------------------------------------------------------------------------
328   // CEED vectors
329   // -----------------------------------------------------------------------------
330   // -- Create CEED vector for geometric data
331   CeedInt  num_qpts_vol;
332   PetscInt loc_num_elem_vol;
333   CeedBasisGetNumQuadraturePoints(ceed_data->basis_q, &num_qpts_vol);
334   CeedElemRestrictionGetNumElements(ceed_data->elem_restr_q, &loc_num_elem_vol);
335   CeedVectorCreate(ceed, q_data_size_vol*loc_num_elem_vol*num_qpts_vol,
336                    &ceed_data->q_data);
337 
338   // -----------------------------------------------------------------------------
339   // CEED Operators
340   // -----------------------------------------------------------------------------
341   // -- Create CEED operator for quadrature data
342   CeedOperatorCreate(ceed, ceed_data->qf_setup_vol, NULL, NULL,
343                      &ceed_data->op_setup_vol);
344   CeedOperatorSetField(ceed_data->op_setup_vol, "dx", ceed_data->elem_restr_x,
345                        ceed_data->basis_x, CEED_VECTOR_ACTIVE);
346   CeedOperatorSetField(ceed_data->op_setup_vol, "weight",
347                        CEED_ELEMRESTRICTION_NONE, ceed_data->basis_x, CEED_VECTOR_NONE);
348   CeedOperatorSetField(ceed_data->op_setup_vol, "qdata",
349                        ceed_data->elem_restr_qd_i, CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE);
350 
351   // -- Create CEED operator for ICs
352   CeedOperatorCreate(ceed, ceed_data->qf_ics, NULL, NULL, &ceed_data->op_ics);
353   CeedOperatorSetField(ceed_data->op_ics, "x", ceed_data->elem_restr_x,
354                        ceed_data->basis_xc, CEED_VECTOR_ACTIVE);
355   CeedOperatorSetField(ceed_data->op_ics, "q0", ceed_data->elem_restr_q,
356                        CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE);
357 
358   // Create CEED operator for RHS
359   if (ceed_data->qf_rhs_vol) {
360     CeedOperator op;
361     CeedOperatorCreate(ceed, ceed_data->qf_rhs_vol, NULL, NULL, &op);
362     CeedOperatorSetField(op, "q", ceed_data->elem_restr_q, ceed_data->basis_q,
363                          CEED_VECTOR_ACTIVE);
364     CeedOperatorSetField(op, "dq", ceed_data->elem_restr_q, ceed_data->basis_q,
365                          CEED_VECTOR_ACTIVE);
366     CeedOperatorSetField(op, "qdata", ceed_data->elem_restr_qd_i,
367                          CEED_BASIS_COLLOCATED, ceed_data->q_data);
368     CeedOperatorSetField(op, "x", ceed_data->elem_restr_x, ceed_data->basis_x,
369                          ceed_data->x_coord);
370     CeedOperatorSetField(op, "v", ceed_data->elem_restr_q, ceed_data->basis_q,
371                          CEED_VECTOR_ACTIVE);
372     CeedOperatorSetField(op, "dv", ceed_data->elem_restr_q, ceed_data->basis_q,
373                          CEED_VECTOR_ACTIVE);
374     user->op_rhs_vol = op;
375   }
376 
377   // -- CEED operator for IFunction
378   if (ceed_data->qf_ifunction_vol) {
379     CeedOperator op;
380     CeedOperatorCreate(ceed, ceed_data->qf_ifunction_vol, NULL, NULL, &op);
381     CeedOperatorSetField(op, "q", ceed_data->elem_restr_q, ceed_data->basis_q,
382                          CEED_VECTOR_ACTIVE);
383     CeedOperatorSetField(op, "dq", ceed_data->elem_restr_q, ceed_data->basis_q,
384                          CEED_VECTOR_ACTIVE);
385     CeedOperatorSetField(op, "q dot", ceed_data->elem_restr_q, ceed_data->basis_q,
386                          user->q_dot_ceed);
387     CeedOperatorSetField(op, "qdata", ceed_data->elem_restr_qd_i,
388                          CEED_BASIS_COLLOCATED, ceed_data->q_data);
389     CeedOperatorSetField(op, "x", ceed_data->elem_restr_x, ceed_data->basis_x,
390                          ceed_data->x_coord);
391     CeedOperatorSetField(op, "v", ceed_data->elem_restr_q, ceed_data->basis_q,
392                          CEED_VECTOR_ACTIVE);
393     CeedOperatorSetField(op, "dv", ceed_data->elem_restr_q, ceed_data->basis_q,
394                          CEED_VECTOR_ACTIVE);
395     user->op_ifunction_vol = op;
396   }
397 
398   // *****************************************************************************
399   // Set up CEED objects for the exterior domain (surface)
400   // *****************************************************************************
401   CeedInt height  = 1,
402           dim_sur = dim - height,
403           P_sur   = app_ctx->degree + 1,
404           Q_sur   = P_sur + app_ctx->q_extra;
405   const CeedInt q_data_size_sur = problem->q_data_size_sur;
406 
407   // -----------------------------------------------------------------------------
408   // CEED Bases
409   // -----------------------------------------------------------------------------
410   CeedBasisCreateTensorH1Lagrange(ceed, dim_sur, num_comp_q, P_sur, Q_sur,
411                                   CEED_GAUSS, &ceed_data->basis_q_sur);
412   CeedBasisCreateTensorH1Lagrange(ceed, dim_sur, num_comp_x, 2, Q_sur, CEED_GAUSS,
413                                   &ceed_data->basis_x_sur);
414 
415   // -----------------------------------------------------------------------------
416   // CEED QFunctions
417   // -----------------------------------------------------------------------------
418   // -- Create QFunction for quadrature data
419   CeedQFunctionCreateInterior(ceed, 1, problem->setup_sur, problem->setup_sur_loc,
420                               &ceed_data->qf_setup_sur);
421   CeedQFunctionAddInput(ceed_data->qf_setup_sur, "dx", num_comp_x*dim_sur,
422                         CEED_EVAL_GRAD);
423   CeedQFunctionAddInput(ceed_data->qf_setup_sur, "weight", 1, CEED_EVAL_WEIGHT);
424   CeedQFunctionAddOutput(ceed_data->qf_setup_sur, "surface qdata",
425                          q_data_size_sur, CEED_EVAL_NONE);
426 
427   // -- Creat QFunction for inflow boundaries
428   if (problem->apply_inflow) {
429     CeedQFunctionCreateInterior(ceed, 1, problem->apply_inflow,
430                                 problem->apply_inflow_loc, &ceed_data->qf_apply_inflow);
431     CeedQFunctionAddInput(ceed_data->qf_apply_inflow, "q", num_comp_q,
432                           CEED_EVAL_INTERP);
433     CeedQFunctionAddInput(ceed_data->qf_apply_inflow, "surface qdata",
434                           q_data_size_sur, CEED_EVAL_NONE);
435     CeedQFunctionAddInput(ceed_data->qf_apply_inflow, "x", num_comp_x,
436                           CEED_EVAL_INTERP);
437     CeedQFunctionAddOutput(ceed_data->qf_apply_inflow, "v", num_comp_q,
438                            CEED_EVAL_INTERP);
439   }
440 
441   // -- Creat QFunction for outflow boundaries
442   if (problem->apply_outflow) {
443     CeedQFunctionCreateInterior(ceed, 1, problem->apply_outflow,
444                                 problem->apply_outflow_loc, &ceed_data->qf_apply_outflow);
445     CeedQFunctionAddInput(ceed_data->qf_apply_outflow, "q", num_comp_q,
446                           CEED_EVAL_INTERP);
447     CeedQFunctionAddInput(ceed_data->qf_apply_outflow, "surface qdata",
448                           q_data_size_sur, CEED_EVAL_NONE);
449     CeedQFunctionAddInput(ceed_data->qf_apply_outflow, "x", num_comp_x,
450                           CEED_EVAL_INTERP);
451     CeedQFunctionAddOutput(ceed_data->qf_apply_outflow, "v", num_comp_q,
452                            CEED_EVAL_INTERP);
453   }
454 
455   // *****************************************************************************
456   // CEED Operator Apply
457   // *****************************************************************************
458   // -- Apply CEED Operator for the geometric data
459   CeedOperatorApply(ceed_data->op_setup_vol, ceed_data->x_coord,
460                     ceed_data->q_data, CEED_REQUEST_IMMEDIATE);
461 
462   // -- Set up context for QFunctions
463   ierr = problem->setup_ctx(ceed, ceed_data, app_ctx, setup_ctx, user->phys);
464   CHKERRQ(ierr);
465 
466   // -- Create and apply CEED Composite Operator for the entire domain
467   if (!user->phys->implicit) { // RHS
468     ierr = CreateOperatorForDomain(ceed, dm, bc, ceed_data, user->phys,
469                                    user->op_rhs_vol, height, P_sur, Q_sur,
470                                    q_data_size_sur, &user->op_rhs); CHKERRQ(ierr);
471   } else { // IFunction
472     ierr = CreateOperatorForDomain(ceed, dm, bc, ceed_data, user->phys,
473                                    user->op_ifunction_vol, height, P_sur, Q_sur,
474                                    q_data_size_sur, &user->op_ifunction); CHKERRQ(ierr);
475   }
476 
477   PetscFunctionReturn(0);
478 }
479