1 #include <petsc/private/dmpleximpl.h> /*I "petscdmplex.h" I*/ 2 #include <petsc/private/tsimpl.h> /*I "petscts.h" I*/ 3 #include <petsc/private/snesimpl.h> 4 #include <petscds.h> 5 #include <petscfv.h> 6 7 #undef __FUNCT__ 8 #define __FUNCT__ "DMTSConvertPlex" 9 static PetscErrorCode DMTSConvertPlex(DM dm, DM *plex, PetscBool copy) 10 { 11 PetscBool isPlex; 12 PetscErrorCode ierr; 13 14 PetscFunctionBegin; 15 ierr = PetscObjectTypeCompare((PetscObject)dm,DMPLEX,&isPlex);CHKERRQ(ierr); 16 if (isPlex) { 17 *plex = dm; 18 ierr = PetscObjectReference((PetscObject)dm);CHKERRQ(ierr); 19 } 20 else { 21 ierr = DMConvert(dm,DMPLEX,plex);CHKERRQ(ierr); 22 if (copy) { 23 PetscInt i; 24 PetscObject obj; 25 const char *comps[3] = {"A","dmAux","dmCh"}; 26 27 ierr = DMCopyDMTS(dm,*plex);CHKERRQ(ierr); 28 ierr = DMCopyDMSNES(dm,*plex);CHKERRQ(ierr); 29 for (i = 0; i < 3; i++) { 30 ierr = PetscObjectQuery((PetscObject)dm,comps[i],&obj);CHKERRQ(ierr); 31 ierr = PetscObjectCompose((PetscObject)*plex,comps[i],obj);CHKERRQ(ierr); 32 } 33 } 34 } 35 PetscFunctionReturn(0); 36 } 37 38 39 #undef __FUNCT__ 40 #define __FUNCT__ "DMPlexTSGetGeometryFVM" 41 /*@ 42 DMPlexTSGetGeometryFVM - Return precomputed geometric data 43 44 Input Parameter: 45 . dm - The DM 46 47 Output Parameters: 48 + facegeom - The values precomputed from face geometry 49 . cellgeom - The values precomputed from cell geometry 50 - minRadius - The minimum radius over the mesh of an inscribed sphere in a cell 51 52 Level: developer 53 54 .seealso: DMPlexTSSetRHSFunctionLocal() 55 @*/ 56 PetscErrorCode DMPlexTSGetGeometryFVM(DM dm, Vec *facegeom, Vec *cellgeom, PetscReal *minRadius) 57 { 58 DMTS dmts; 59 PetscObject obj; 60 DM plex; 61 PetscErrorCode ierr; 62 63 PetscFunctionBegin; 64 PetscValidHeaderSpecific(dm,DM_CLASSID,1); 65 ierr = DMTSConvertPlex(dm,&plex,PETSC_TRUE);CHKERRQ(ierr); 66 ierr = DMGetDMTS(plex, &dmts);CHKERRQ(ierr); 67 ierr = PetscObjectQuery((PetscObject) dmts, "DMPlexTS_facegeom_fvm", &obj);CHKERRQ(ierr); 68 if (!obj) { 69 Vec cellgeom, facegeom; 70 71 ierr = DMPlexComputeGeometryFVM(plex, &cellgeom, &facegeom);CHKERRQ(ierr); 72 ierr = PetscObjectCompose((PetscObject) dmts, "DMPlexTS_facegeom_fvm", (PetscObject) facegeom);CHKERRQ(ierr); 73 ierr = PetscObjectCompose((PetscObject) dmts, "DMPlexTS_cellgeom_fvm", (PetscObject) cellgeom);CHKERRQ(ierr); 74 ierr = VecDestroy(&facegeom);CHKERRQ(ierr); 75 ierr = VecDestroy(&cellgeom);CHKERRQ(ierr); 76 } 77 if (facegeom) {PetscValidPointer(facegeom, 2); ierr = PetscObjectQuery((PetscObject) dmts, "DMPlexTS_facegeom_fvm", (PetscObject *) facegeom);CHKERRQ(ierr);} 78 if (cellgeom) {PetscValidPointer(cellgeom, 3); ierr = PetscObjectQuery((PetscObject) dmts, "DMPlexTS_cellgeom_fvm", (PetscObject *) cellgeom);CHKERRQ(ierr);} 79 if (minRadius) {ierr = DMPlexGetMinRadius(plex, minRadius);CHKERRQ(ierr);} 80 ierr = DMDestroy(&plex);CHKERRQ(ierr); 81 PetscFunctionReturn(0); 82 } 83 84 #undef __FUNCT__ 85 #define __FUNCT__ "DMPlexTSGetGradientDM" 86 /*@C 87 DMPlexTSGetGradientDM - Return gradient data layout 88 89 Input Parameters: 90 + dm - The DM 91 - fv - The PetscFV 92 93 Output Parameter: 94 . dmGrad - The layout for gradient values 95 96 Level: developer 97 98 .seealso: DMPlexTSGetGeometryFVM(), DMPlexTSSetRHSFunctionLocal() 99 @*/ 100 PetscErrorCode DMPlexTSGetGradientDM(DM dm, PetscFV fv, DM *dmGrad) 101 { 102 DMTS dmts; 103 PetscObject obj; 104 PetscBool computeGradients; 105 DM plex; 106 PetscErrorCode ierr; 107 108 PetscFunctionBegin; 109 PetscValidHeaderSpecific(dm,DM_CLASSID,1); 110 PetscValidHeaderSpecific(fv,PETSCFV_CLASSID,2); 111 PetscValidPointer(dmGrad,3); 112 ierr = PetscFVGetComputeGradients(fv, &computeGradients);CHKERRQ(ierr); 113 if (!computeGradients) {*dmGrad = NULL; PetscFunctionReturn(0);} 114 ierr = DMTSConvertPlex(dm,&plex,PETSC_TRUE);CHKERRQ(ierr); 115 ierr = DMGetDMTS(plex, &dmts);CHKERRQ(ierr); 116 ierr = PetscObjectQuery((PetscObject) dmts, "DMPlexTS_dmgrad_fvm", &obj);CHKERRQ(ierr); 117 if (!obj) { 118 DM dmGrad; 119 Vec faceGeometry, cellGeometry; 120 121 ierr = DMPlexTSGetGeometryFVM(plex, &faceGeometry, &cellGeometry, NULL);CHKERRQ(ierr); 122 ierr = DMPlexComputeGradientFVM(plex, fv, faceGeometry, cellGeometry, &dmGrad);CHKERRQ(ierr); 123 ierr = PetscObjectCompose((PetscObject) dmts, "DMPlexTS_dmgrad_fvm", (PetscObject) dmGrad);CHKERRQ(ierr); 124 ierr = DMDestroy(&dmGrad);CHKERRQ(ierr); 125 } 126 ierr = PetscObjectQuery((PetscObject) dmts, "DMPlexTS_dmgrad_fvm", (PetscObject *) dmGrad);CHKERRQ(ierr); 127 ierr = DMDestroy(&plex);CHKERRQ(ierr); 128 PetscFunctionReturn(0); 129 } 130 131 #undef __FUNCT__ 132 #define __FUNCT__ "DMPlexTSComputeRHSFunctionFVM" 133 /*@ 134 DMPlexTSComputeRHSFunctionFVM - Form the local forcing F from the local input X using pointwise functions specified by the user 135 136 Input Parameters: 137 + dm - The mesh 138 . t - The time 139 . locX - Local solution 140 - user - The user context 141 142 Output Parameter: 143 . F - Global output vector 144 145 Level: developer 146 147 .seealso: DMPlexComputeJacobianActionFEM() 148 @*/ 149 PetscErrorCode DMPlexTSComputeRHSFunctionFVM(DM dm, PetscReal time, Vec locX, Vec F, void *user) 150 { 151 Vec locF; 152 PetscInt cStart, cEnd, cEndInterior; 153 DM plex; 154 PetscErrorCode ierr; 155 156 PetscFunctionBegin; 157 ierr = DMTSConvertPlex(dm,&plex,PETSC_TRUE);CHKERRQ(ierr); 158 ierr = DMPlexGetHeightStratum(plex, 0, &cStart, &cEnd);CHKERRQ(ierr); 159 ierr = DMPlexGetHybridBounds(plex, &cEndInterior, NULL, NULL, NULL);CHKERRQ(ierr); 160 cEnd = cEndInterior < 0 ? cEnd : cEndInterior; 161 ierr = DMGetLocalVector(plex, &locF);CHKERRQ(ierr); 162 ierr = VecZeroEntries(locF);CHKERRQ(ierr); 163 ierr = DMPlexComputeResidual_Internal(plex, cStart, cEnd, time, locX, NULL, locF, user);CHKERRQ(ierr); 164 ierr = DMLocalToGlobalBegin(plex, locF, INSERT_VALUES, F);CHKERRQ(ierr); 165 ierr = DMLocalToGlobalEnd(plex, locF, INSERT_VALUES, F);CHKERRQ(ierr); 166 ierr = DMRestoreLocalVector(plex, &locF);CHKERRQ(ierr); 167 ierr = DMDestroy(&plex);CHKERRQ(ierr); 168 PetscFunctionReturn(0); 169 } 170 171 #undef __FUNCT__ 172 #define __FUNCT__ "DMPlexTSComputeBoundaryFEM" 173 /*@ 174 DMPlexTSComputeBoundaryFEM - Form the boundary values for the local input X 175 176 Input Parameters: 177 + dm - The mesh 178 - user - The user context 179 180 Output Parameter: 181 . X - Local solution 182 183 Level: developer 184 185 .seealso: DMPlexSNESComputeBoundaryFEM() 186 @*/ 187 PetscErrorCode DMPlexTSComputeBoundaryFEM(DM dm, Vec X, void *user) 188 { 189 DM plex; 190 PetscErrorCode ierr; 191 192 PetscFunctionBegin; 193 ierr = DMTSConvertPlex(dm, &plex, PETSC_TRUE);CHKERRQ(ierr); 194 ierr = DMPlexInsertBoundaryValues(plex, PETSC_TRUE, X, PETSC_MIN_REAL, NULL, NULL, NULL);CHKERRQ(ierr); 195 ierr = DMDestroy(&plex);CHKERRQ(ierr); 196 PetscFunctionReturn(0); 197 } 198 199 #undef __FUNCT__ 200 #define __FUNCT__ "DMPlexTSComputeIFunctionFEM" 201 /*@ 202 DMPlexTSComputeIFunctionFEM - Form the local residual F from the local input X using pointwise functions specified by the user 203 204 Input Parameters: 205 + dm - The mesh 206 . t - The time 207 . locX - Local solution 208 . locX_t - Local solution time derivative, or NULL 209 - user - The user context 210 211 Output Parameter: 212 . locF - Local output vector 213 214 Level: developer 215 216 .seealso: DMPlexComputeJacobianActionFEM() 217 @*/ 218 PetscErrorCode DMPlexTSComputeIFunctionFEM(DM dm, PetscReal time, Vec locX, Vec locX_t, Vec locF, void *user) 219 { 220 PetscInt cStart, cEnd, cEndInterior; 221 DM plex; 222 PetscErrorCode ierr; 223 224 PetscFunctionBegin; 225 ierr = DMTSConvertPlex(dm,&plex,PETSC_TRUE);CHKERRQ(ierr); 226 ierr = DMPlexGetHeightStratum(plex, 0, &cStart, &cEnd);CHKERRQ(ierr); 227 ierr = DMPlexGetHybridBounds(plex, &cEndInterior, NULL, NULL, NULL);CHKERRQ(ierr); 228 cEnd = cEndInterior < 0 ? cEnd : cEndInterior; 229 ierr = DMPlexComputeResidual_Internal(plex, cStart, cEnd, time, locX, locX_t, locF, user);CHKERRQ(ierr); 230 ierr = DMDestroy(&plex);CHKERRQ(ierr); 231 PetscFunctionReturn(0); 232 } 233 234 #undef __FUNCT__ 235 #define __FUNCT__ "DMPlexTSComputeIJacobianFEM" 236 /*@ 237 DMPlexTSComputeIJacobianFEM - Form the local Jacobian J from the local input X using pointwise functions specified by the user 238 239 Input Parameters: 240 + dm - The mesh 241 . t - The time 242 . locX - Local solution 243 . locX_t - Local solution time derivative, or NULL 244 . X_tshift - The multiplicative parameter for dF/du_t 245 - user - The user context 246 247 Output Parameter: 248 . locF - Local output vector 249 250 Level: developer 251 252 .seealso: DMPlexComputeJacobianActionFEM() 253 @*/ 254 PetscErrorCode DMPlexTSComputeIJacobianFEM(DM dm, PetscReal time, Vec locX, Vec locX_t, PetscReal X_tShift, Mat Jac, Mat JacP, void *user) 255 { 256 PetscInt cStart, cEnd, cEndInterior; 257 DM plex; 258 PetscErrorCode ierr; 259 260 PetscFunctionBegin; 261 ierr = DMTSConvertPlex(dm,&plex,PETSC_TRUE);CHKERRQ(ierr); 262 ierr = DMPlexGetHeightStratum(plex, 0, &cStart, &cEnd);CHKERRQ(ierr); 263 ierr = DMPlexGetHybridBounds(plex, &cEndInterior, NULL, NULL, NULL);CHKERRQ(ierr); 264 cEnd = cEndInterior < 0 ? cEnd : cEndInterior; 265 ierr = DMPlexComputeJacobian_Internal(plex, cStart, cEnd, time, X_tShift, locX, locX_t, Jac, JacP, user);CHKERRQ(ierr); 266 ierr = DMDestroy(&plex);CHKERRQ(ierr); 267 PetscFunctionReturn(0); 268 } 269 270 #undef __FUNCT__ 271 #define __FUNCT__ "DMTSCheckFromOptions" 272 PetscErrorCode DMTSCheckFromOptions(TS ts, Vec u, PetscErrorCode (**exactFuncs)(PetscInt dim, PetscReal time, const PetscReal x[], PetscInt Nf, PetscScalar *u, void *ctx), void **ctxs) 273 { 274 DM dm; 275 SNES snes; 276 Vec sol; 277 PetscBool check; 278 PetscErrorCode ierr; 279 280 PetscFunctionBegin; 281 ierr = PetscOptionsHasName(((PetscObject)ts)->options,((PetscObject)ts)->prefix, "-dmts_check", &check);CHKERRQ(ierr); 282 if (!check) PetscFunctionReturn(0); 283 ierr = VecDuplicate(u, &sol);CHKERRQ(ierr); 284 ierr = TSSetSolution(ts, sol);CHKERRQ(ierr); 285 ierr = TSGetDM(ts, &dm);CHKERRQ(ierr); 286 ierr = TSSetUp(ts);CHKERRQ(ierr); 287 ierr = TSGetSNES(ts, &snes);CHKERRQ(ierr); 288 ierr = SNESSetSolution(snes, sol);CHKERRQ(ierr); 289 ierr = DMSNESCheckFromOptions_Internal(snes, dm, u, sol, exactFuncs, ctxs);CHKERRQ(ierr); 290 ierr = VecDestroy(&sol);CHKERRQ(ierr); 291 PetscFunctionReturn(0); 292 } 293