xref: /honee/src/setuplibceed.c (revision 9785fe939f22dc29a5e9bc719da8d1f0a67d7249)
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.qfunction,
261                               problem->setup_vol.qfunction_loc,
262                               &ceed_data->qf_setup_vol);
263   CeedQFunctionAddInput(ceed_data->qf_setup_vol, "dx", num_comp_x*dim,
264                         CEED_EVAL_GRAD);
265   CeedQFunctionAddInput(ceed_data->qf_setup_vol, "weight", 1, CEED_EVAL_WEIGHT);
266   CeedQFunctionAddOutput(ceed_data->qf_setup_vol, "qdata", q_data_size_vol,
267                          CEED_EVAL_NONE);
268 
269   // -- Create QFunction for ICs
270   CeedQFunctionCreateInterior(ceed, 1, problem->ics.qfunction,
271                               problem->ics.qfunction_loc,
272                               &ceed_data->qf_ics);
273   CeedQFunctionAddInput(ceed_data->qf_ics, "x", num_comp_x, CEED_EVAL_INTERP);
274   CeedQFunctionAddOutput(ceed_data->qf_ics, "q0", num_comp_q, CEED_EVAL_NONE);
275 
276   // -- Create QFunction for RHS
277   if (problem->apply_vol_rhs.qfunction) {
278     CeedQFunctionCreateInterior(ceed, 1, problem->apply_vol_rhs.qfunction,
279                                 problem->apply_vol_rhs.qfunction_loc, &ceed_data->qf_rhs_vol);
280     CeedQFunctionAddInput(ceed_data->qf_rhs_vol, "q", num_comp_q, CEED_EVAL_INTERP);
281     CeedQFunctionAddInput(ceed_data->qf_rhs_vol, "dq", num_comp_q*dim,
282                           CEED_EVAL_GRAD);
283     CeedQFunctionAddInput(ceed_data->qf_rhs_vol, "qdata", q_data_size_vol,
284                           CEED_EVAL_NONE);
285     CeedQFunctionAddInput(ceed_data->qf_rhs_vol, "x", num_comp_x, CEED_EVAL_INTERP);
286     CeedQFunctionAddOutput(ceed_data->qf_rhs_vol, "v", num_comp_q,
287                            CEED_EVAL_INTERP);
288     CeedQFunctionAddOutput(ceed_data->qf_rhs_vol, "dv", num_comp_q*dim,
289                            CEED_EVAL_GRAD);
290   }
291 
292   // -- Create QFunction for IFunction
293   if (problem->apply_vol_ifunction.qfunction) {
294     CeedQFunctionCreateInterior(ceed, 1, problem->apply_vol_ifunction.qfunction,
295                                 problem->apply_vol_ifunction.qfunction_loc, &ceed_data->qf_ifunction_vol);
296     CeedQFunctionAddInput(ceed_data->qf_ifunction_vol, "q", num_comp_q,
297                           CEED_EVAL_INTERP);
298     CeedQFunctionAddInput(ceed_data->qf_ifunction_vol, "dq", num_comp_q*dim,
299                           CEED_EVAL_GRAD);
300     CeedQFunctionAddInput(ceed_data->qf_ifunction_vol, "q dot", num_comp_q,
301                           CEED_EVAL_INTERP);
302     CeedQFunctionAddInput(ceed_data->qf_ifunction_vol, "qdata", q_data_size_vol,
303                           CEED_EVAL_NONE);
304     CeedQFunctionAddInput(ceed_data->qf_ifunction_vol, "x", num_comp_x,
305                           CEED_EVAL_INTERP);
306     CeedQFunctionAddOutput(ceed_data->qf_ifunction_vol, "v", num_comp_q,
307                            CEED_EVAL_INTERP);
308     CeedQFunctionAddOutput(ceed_data->qf_ifunction_vol, "dv", num_comp_q*dim,
309                            CEED_EVAL_GRAD);
310   }
311 
312   // ---------------------------------------------------------------------------
313   // Element coordinates
314   // ---------------------------------------------------------------------------
315   // -- Create CEED vector
316   CeedElemRestrictionCreateVector(ceed_data->elem_restr_x, &ceed_data->x_coord,
317                                   NULL);
318 
319   // -- Copy PETSc vector in CEED vector
320   Vec               X_loc;
321   const PetscScalar *X_loc_array;
322   ierr = DMGetCoordinatesLocal(dm, &X_loc); CHKERRQ(ierr);
323   ierr = VecScale(X_loc, problem->dm_scale); CHKERRQ(ierr);
324   ierr = VecGetArrayRead(X_loc, &X_loc_array); CHKERRQ(ierr);
325   CeedVectorSetArray(ceed_data->x_coord, CEED_MEM_HOST, CEED_COPY_VALUES,
326                      (PetscScalar *)X_loc_array);
327   ierr = VecRestoreArrayRead(X_loc, &X_loc_array); CHKERRQ(ierr);
328 
329   // -----------------------------------------------------------------------------
330   // CEED vectors
331   // -----------------------------------------------------------------------------
332   // -- Create CEED vector for geometric data
333   CeedInt  num_qpts_vol;
334   PetscInt loc_num_elem_vol;
335   CeedBasisGetNumQuadraturePoints(ceed_data->basis_q, &num_qpts_vol);
336   CeedElemRestrictionGetNumElements(ceed_data->elem_restr_q, &loc_num_elem_vol);
337   CeedVectorCreate(ceed, q_data_size_vol*loc_num_elem_vol*num_qpts_vol,
338                    &ceed_data->q_data);
339 
340   // -----------------------------------------------------------------------------
341   // CEED Operators
342   // -----------------------------------------------------------------------------
343   // -- Create CEED operator for quadrature data
344   CeedOperatorCreate(ceed, ceed_data->qf_setup_vol, NULL, NULL,
345                      &ceed_data->op_setup_vol);
346   CeedOperatorSetField(ceed_data->op_setup_vol, "dx", ceed_data->elem_restr_x,
347                        ceed_data->basis_x, CEED_VECTOR_ACTIVE);
348   CeedOperatorSetField(ceed_data->op_setup_vol, "weight",
349                        CEED_ELEMRESTRICTION_NONE, ceed_data->basis_x, CEED_VECTOR_NONE);
350   CeedOperatorSetField(ceed_data->op_setup_vol, "qdata",
351                        ceed_data->elem_restr_qd_i, CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE);
352 
353   // -- Create CEED operator for ICs
354   CeedOperatorCreate(ceed, ceed_data->qf_ics, NULL, NULL, &ceed_data->op_ics);
355   CeedOperatorSetField(ceed_data->op_ics, "x", ceed_data->elem_restr_x,
356                        ceed_data->basis_xc, CEED_VECTOR_ACTIVE);
357   CeedOperatorSetField(ceed_data->op_ics, "q0", ceed_data->elem_restr_q,
358                        CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE);
359 
360   // Create CEED operator for RHS
361   if (ceed_data->qf_rhs_vol) {
362     CeedOperator op;
363     CeedOperatorCreate(ceed, ceed_data->qf_rhs_vol, NULL, NULL, &op);
364     CeedOperatorSetField(op, "q", ceed_data->elem_restr_q, ceed_data->basis_q,
365                          CEED_VECTOR_ACTIVE);
366     CeedOperatorSetField(op, "dq", ceed_data->elem_restr_q, ceed_data->basis_q,
367                          CEED_VECTOR_ACTIVE);
368     CeedOperatorSetField(op, "qdata", ceed_data->elem_restr_qd_i,
369                          CEED_BASIS_COLLOCATED, ceed_data->q_data);
370     CeedOperatorSetField(op, "x", ceed_data->elem_restr_x, ceed_data->basis_x,
371                          ceed_data->x_coord);
372     CeedOperatorSetField(op, "v", ceed_data->elem_restr_q, ceed_data->basis_q,
373                          CEED_VECTOR_ACTIVE);
374     CeedOperatorSetField(op, "dv", ceed_data->elem_restr_q, ceed_data->basis_q,
375                          CEED_VECTOR_ACTIVE);
376     user->op_rhs_vol = op;
377   }
378 
379   // -- CEED operator for IFunction
380   if (ceed_data->qf_ifunction_vol) {
381     CeedOperator op;
382     CeedOperatorCreate(ceed, ceed_data->qf_ifunction_vol, NULL, NULL, &op);
383     CeedOperatorSetField(op, "q", ceed_data->elem_restr_q, ceed_data->basis_q,
384                          CEED_VECTOR_ACTIVE);
385     CeedOperatorSetField(op, "dq", ceed_data->elem_restr_q, ceed_data->basis_q,
386                          CEED_VECTOR_ACTIVE);
387     CeedOperatorSetField(op, "q dot", ceed_data->elem_restr_q, ceed_data->basis_q,
388                          user->q_dot_ceed);
389     CeedOperatorSetField(op, "qdata", ceed_data->elem_restr_qd_i,
390                          CEED_BASIS_COLLOCATED, ceed_data->q_data);
391     CeedOperatorSetField(op, "x", ceed_data->elem_restr_x, ceed_data->basis_x,
392                          ceed_data->x_coord);
393     CeedOperatorSetField(op, "v", ceed_data->elem_restr_q, ceed_data->basis_q,
394                          CEED_VECTOR_ACTIVE);
395     CeedOperatorSetField(op, "dv", ceed_data->elem_restr_q, ceed_data->basis_q,
396                          CEED_VECTOR_ACTIVE);
397     user->op_ifunction_vol = op;
398   }
399 
400   // *****************************************************************************
401   // Set up CEED objects for the exterior domain (surface)
402   // *****************************************************************************
403   CeedInt height  = 1,
404           dim_sur = dim - height,
405           P_sur   = app_ctx->degree + 1,
406           Q_sur   = P_sur + app_ctx->q_extra;
407   const CeedInt q_data_size_sur = problem->q_data_size_sur;
408 
409   // -----------------------------------------------------------------------------
410   // CEED Bases
411   // -----------------------------------------------------------------------------
412   CeedBasisCreateTensorH1Lagrange(ceed, dim_sur, num_comp_q, P_sur, Q_sur,
413                                   CEED_GAUSS, &ceed_data->basis_q_sur);
414   CeedBasisCreateTensorH1Lagrange(ceed, dim_sur, num_comp_x, 2, Q_sur, CEED_GAUSS,
415                                   &ceed_data->basis_x_sur);
416 
417   // -----------------------------------------------------------------------------
418   // CEED QFunctions
419   // -----------------------------------------------------------------------------
420   // -- Create QFunction for quadrature data
421   CeedQFunctionCreateInterior(ceed, 1, problem->setup_sur.qfunction,
422                               problem->setup_sur.qfunction_loc,
423                               &ceed_data->qf_setup_sur);
424   CeedQFunctionAddInput(ceed_data->qf_setup_sur, "dx", num_comp_x*dim_sur,
425                         CEED_EVAL_GRAD);
426   CeedQFunctionAddInput(ceed_data->qf_setup_sur, "weight", 1, CEED_EVAL_WEIGHT);
427   CeedQFunctionAddOutput(ceed_data->qf_setup_sur, "surface qdata",
428                          q_data_size_sur, CEED_EVAL_NONE);
429 
430   // -- Creat QFunction for inflow boundaries
431   if (problem->apply_inflow.qfunction) {
432     CeedQFunctionCreateInterior(ceed, 1, problem->apply_inflow.qfunction,
433                                 problem->apply_inflow.qfunction_loc, &ceed_data->qf_apply_inflow);
434     CeedQFunctionAddInput(ceed_data->qf_apply_inflow, "q", num_comp_q,
435                           CEED_EVAL_INTERP);
436     CeedQFunctionAddInput(ceed_data->qf_apply_inflow, "surface qdata",
437                           q_data_size_sur, CEED_EVAL_NONE);
438     CeedQFunctionAddInput(ceed_data->qf_apply_inflow, "x", num_comp_x,
439                           CEED_EVAL_INTERP);
440     CeedQFunctionAddOutput(ceed_data->qf_apply_inflow, "v", num_comp_q,
441                            CEED_EVAL_INTERP);
442   }
443 
444   // -- Creat QFunction for outflow boundaries
445   if (problem->apply_outflow.qfunction) {
446     CeedQFunctionCreateInterior(ceed, 1, problem->apply_outflow.qfunction,
447                                 problem->apply_outflow.qfunction_loc, &ceed_data->qf_apply_outflow);
448     CeedQFunctionAddInput(ceed_data->qf_apply_outflow, "q", num_comp_q,
449                           CEED_EVAL_INTERP);
450     CeedQFunctionAddInput(ceed_data->qf_apply_outflow, "surface qdata",
451                           q_data_size_sur, CEED_EVAL_NONE);
452     CeedQFunctionAddInput(ceed_data->qf_apply_outflow, "x", num_comp_x,
453                           CEED_EVAL_INTERP);
454     CeedQFunctionAddOutput(ceed_data->qf_apply_outflow, "v", num_comp_q,
455                            CEED_EVAL_INTERP);
456   }
457 
458   // *****************************************************************************
459   // CEED Operator Apply
460   // *****************************************************************************
461   // -- Apply CEED Operator for the geometric data
462   CeedOperatorApply(ceed_data->op_setup_vol, ceed_data->x_coord,
463                     ceed_data->q_data, CEED_REQUEST_IMMEDIATE);
464 
465   // -- Set up context for QFunctions
466   ierr = problem->setup_ctx(ceed, ceed_data, app_ctx, setup_ctx, user->phys);
467   CHKERRQ(ierr);
468 
469   // -- Create and apply CEED Composite Operator for the entire domain
470   if (!user->phys->implicit) { // RHS
471     ierr = CreateOperatorForDomain(ceed, dm, bc, ceed_data, user->phys,
472                                    user->op_rhs_vol, height, P_sur, Q_sur,
473                                    q_data_size_sur, &user->op_rhs); CHKERRQ(ierr);
474   } else { // IFunction
475     ierr = CreateOperatorForDomain(ceed, dm, bc, ceed_data, user->phys,
476                                    user->op_ifunction_vol, height, P_sur, Q_sur,
477                                    q_data_size_sur, &user->op_ifunction); CHKERRQ(ierr);
478   }
479 
480   PetscFunctionReturn(0);
481 }
482