Actual source code: dmplextransformimpl.h
1: #pragma once
3: #include <petsc/private/dmpleximpl.h>
4: #include <petscdmplextransform.h>
6: PETSC_EXTERN PetscLogEvent DMPLEXTRANSFORM_SetUp;
7: PETSC_EXTERN PetscLogEvent DMPLEXTRANSFORM_Apply;
8: PETSC_EXTERN PetscLogEvent DMPLEXTRANSFORM_SetConeSizes;
9: PETSC_EXTERN PetscLogEvent DMPLEXTRANSFORM_SetCones;
10: PETSC_EXTERN PetscLogEvent DMPLEXTRANSFORM_CreateSF;
11: PETSC_EXTERN PetscLogEvent DMPLEXTRANSFORM_CreateLabels;
12: PETSC_EXTERN PetscLogEvent DMPLEXTRANSFORM_SetCoordinates;
13: PETSC_EXTERN PetscLogEvent DMPLEXTRANSFORM_Check;
15: typedef struct _p_DMPlexTransformOps *DMPlexTransformOps;
16: struct _p_DMPlexTransformOps {
17: PetscErrorCode (*view)(DMPlexTransform, PetscViewer);
18: PetscErrorCode (*setfromoptions)(DMPlexTransform, PetscOptionItems);
19: PetscErrorCode (*setup)(DMPlexTransform);
20: PetscErrorCode (*destroy)(DMPlexTransform);
21: PetscErrorCode (*setdimensions)(DMPlexTransform, DM, DM);
22: PetscErrorCode (*celltransform)(DMPlexTransform, DMPolytopeType, PetscInt, PetscInt *, PetscInt *, DMPolytopeType *[], PetscInt *[], PetscInt *[], PetscInt *[]);
23: PetscErrorCode (*ordersupports)(DMPlexTransform, DM, DM);
24: PetscErrorCode (*getsubcellorientation)(DMPlexTransform, DMPolytopeType, PetscInt, PetscInt, DMPolytopeType, PetscInt, PetscInt, PetscInt *, PetscInt *);
25: PetscErrorCode (*mapcoordinates)(DMPlexTransform, DMPolytopeType, DMPolytopeType, PetscInt, PetscInt, PetscInt, PetscInt, const PetscScalar[], PetscScalar[]);
26: PetscErrorCode (*check)(DMPlexTransform, DM);
27: };
29: struct _p_DMPlexTransform {
30: PETSCHEADER(struct _p_DMPlexTransformOps);
31: void *data;
33: DM dm; /* This is the DM for which the transform has been computed */
34: DMLabel active; /* If not NULL, indicates points that are participating in the transform */
35: DMLabel trType; /* If not NULL, this holds the transformation type for each point */
36: PetscBool setupcalled; /* true if setup has been called */
37: PetscInt *ctOrderOld; /* [i] = ct: An array with original cell types in depth order */
38: PetscInt *ctOrderInvOld; /* [ct] = i: An array with the ordinal numbers for each original cell type */
39: PetscInt *ctStart; /* [ct]: The number for the first cell of each polytope type in the original mesh */
40: PetscInt *ctOrderNew; /* [i] = ct: An array with produced cell types in depth order */
41: PetscInt *ctOrderInvNew; /* [ct] = i: An array with the ordinal numbers for each produced cell type */
42: PetscInt *ctStartNew; /* [ctNew]: The number for the first cell of each polytope type in the new mesh */
43: PetscInt *offset; /* [ct/rt][ctNew]: The offset from ctStartNew[ctNew] in the new point numbering of a point of type ctNew produced from an old point of type ct or refine type rt */
44: PetscInt depth; /* The depth of the transformed mesh */
45: PetscInt *depthStart; /* The starting point for each depth stratum */
46: PetscInt *depthEnd; /* The starting point for the next depth stratum */
47: PetscInt *trNv; /* The number of transformed vertices in the closure of a cell of each type */
48: PetscScalar **trVerts; /* The transformed vertex coordinates in the closure of a cell of each type */
49: PetscInt ****trSubVerts; /* The indices for vertices of subcell (rct, r) in a cell of each type */
50: PetscFE *coordFE; /* Finite element for each cell type, used for localized coordinate interpolation */
51: PetscFEGeom **refGeom; /* Geometry of the reference cell for each cell type */
52: PetscReal redFactor; // Used to scale maxCell in each direction
53: /* Label construction */
54: PetscBool labelMatchStrata; /* Flag to restrict labeled points to the same cell type as parents */
55: PetscInt labelReplicaInc; /* Multiplier to create new label values for replicas v = oldv + r * repInc */
56: };
58: typedef struct {
59: PetscInt dummy;
60: } DMPlexTransform_Filter;
62: typedef enum {
63: NORMAL_DEFAULT,
64: NORMAL_INPUT,
65: NORMAL_COMPUTE,
66: NORMAL_COMPUTE_BD
67: } PlexNormalAlg;
68: PETSC_EXTERN const char *const PlexNormalAlgs[];
70: typedef struct {
71: /* Inputs */
72: PetscInt dimEx; /* The dimension of the extruded mesh */
73: PetscInt cdim; /* The coordinate dimension of the input mesh */
74: PetscInt cdimEx; /* The coordinate dimension of the extruded mesh */
75: PetscInt layers; /* The number of extruded layers */
76: PetscReal thickness; /* The total thickness of the extruded layers */
77: PetscInt Nth; /* The number of specified thicknesses */
78: PetscReal *thicknesses; /* The input layer thicknesses */
79: PetscBool useTensor; /* Flag to create tensor cells */
80: PlexNormalAlg normalAlg; /* Algorithm to use for computing normal */
81: PetscReal normal[3]; /* Surface normal from input */
82: DM dmNormal; // DM for normal field
83: Vec vecNormal; // Normal at each vertex
84: PetscSimplePointFn *normalFunc; /* A function returning the normal at a given point */
85: PetscBool symmetric; /* Extrude layers symmetrically about the surface */
86: PetscBool periodic; /* Connect the extruded layer periodically to the beginning */
87: /* Calculated quantities */
88: PetscReal *layerPos; /* The position of each layer relative to the original surface, along the local normal direction */
89: PetscInt *Nt; /* The array of the number of target types */
90: DMPolytopeType **target; /* The array of target types */
91: PetscInt **size; /* The array of the number of each target type */
92: PetscInt **cone; /* The array of cones for each target cell */
93: PetscInt **ornt; /* The array of orientation for each target cell */
94: // Borrowed storage
95: const PetscInt *degree; // The root degree of all points in the original mesh
96: } DMPlexTransform_Extrude;
98: typedef struct {
99: PetscInt debug; // Debugging level
100: PetscBool useTensor; // Flag to create tensor cells
101: PetscReal width; // The width of a cohesive cell
102: PetscInt *Nt; // The array of the number of target types
103: DMPolytopeType **target; // The array of target types
104: PetscInt **size; // The array of the number of each target type
105: PetscInt **cone; // The array of cones for each target cell
106: PetscInt **ornt; // The array of orientation for each target cell
107: } DMPlexTransform_Cohesive;
109: typedef struct {
110: PetscInt dummy;
111: } DMPlexRefine_Regular;
113: typedef struct {
114: PetscInt dummy;
115: } DMPlexRefine_ToBox;
117: typedef struct {
118: PetscBool reflect; /* Flag to reflect the transformation */
119: } DMPlexRefine_ToSimplex;
121: typedef struct {
122: PetscInt dummy;
123: } DMPlexRefine_Alfeld;
125: typedef struct {
126: DMLabel splitPoints; /* List of edges to be bisected (1), triangles to be divided (2), and tetrahedra to be divided (3) */
127: PetscSection secEdgeLen; /* Section for edge length field */
128: PetscReal *edgeLen; /* Storage for edge length field */
129: /* Cache of generated tetrahedron subdivisions, keyed by the encoded bisection order */
130: PetscInt Ncache; /* Number of cached tetrahedron subdivisions */
131: PetscInt maxCache; /* Capacity of the cache */
132: PetscInt *cacheCode; /* [Ncache] Encoded bisection order */
133: PetscInt *cacheNt; /* [Ncache] Number of target types */
134: DMPolytopeType **cacheTarget; /* [Ncache] Target types */
135: PetscInt **cacheSize; /* [Ncache] Number of targets of each type */
136: PetscInt **cacheCone; /* [Ncache] Cone specifications */
137: PetscInt **cacheOrnt; /* [Ncache] Cone orientations */
138: } DMPlexRefine_SBR;
140: typedef struct {
141: PetscInt dummy;
142: } DMPlexRefine_1D;
144: typedef struct {
145: PetscInt n; /* The number of divisions to produce, so n = 1 gives 2 new cells */
146: PetscReal r; /* The factor increase for cell height */
147: PetscScalar *h; /* The computed cell heights, based on r */
148: PetscInt *Nt; /* The array of the number of target types */
149: DMPolytopeType **target; /* The array of target types */
150: PetscInt **size; /* The array of the number of each target type */
151: PetscInt **cone; /* The array of cones for each target cell */
152: PetscInt **ornt; /* The array of orientation for each target cell */
153: } DMPlexRefine_BL;
155: PetscErrorCode DMPlexTransformSetDimensions_Internal(DMPlexTransform, DM, DM);
156: PetscErrorCode DMPlexTransformMapCoordinatesBarycenter_Internal(DMPlexTransform, DMPolytopeType, DMPolytopeType, PetscInt, PetscInt, PetscInt, PetscInt, const PetscScalar[], PetscScalar[]);
157: PetscErrorCode DMPlexTransformGetSubcellOrientation_Regular(DMPlexTransform, DMPolytopeType, PetscInt, PetscInt, DMPolytopeType, PetscInt, PetscInt, PetscInt *, PetscInt *);
158: PetscErrorCode DMPlexTransformCellRefine_Regular(DMPlexTransform, DMPolytopeType, PetscInt, PetscInt *, PetscInt *, DMPolytopeType *[], PetscInt *[], PetscInt *[], PetscInt *[]);