Actual source code: dmplextransformimpl.h

      1: #pragma once

      3: #include <petsc/private/dmpleximpl.h>
      4: #include <petscdmplextransform.h>

      6: typedef struct _p_DMPlexTransformOps *DMPlexTransformOps;
      7: struct _p_DMPlexTransformOps {
      8:   PetscErrorCode (*view)(DMPlexTransform, PetscViewer);
      9:   PetscErrorCode (*setfromoptions)(DMPlexTransform, PetscOptionItems *);
     10:   PetscErrorCode (*setup)(DMPlexTransform);
     11:   PetscErrorCode (*destroy)(DMPlexTransform);
     12:   PetscErrorCode (*setdimensions)(DMPlexTransform, DM, DM);
     13:   PetscErrorCode (*celltransform)(DMPlexTransform, DMPolytopeType, PetscInt, PetscInt *, PetscInt *, DMPolytopeType *[], PetscInt *[], PetscInt *[], PetscInt *[]);
     14:   PetscErrorCode (*getsubcellorientation)(DMPlexTransform, DMPolytopeType, PetscInt, PetscInt, DMPolytopeType, PetscInt, PetscInt, PetscInt *, PetscInt *);
     15:   PetscErrorCode (*mapcoordinates)(DMPlexTransform, DMPolytopeType, DMPolytopeType, PetscInt, PetscInt, PetscInt, PetscInt, const PetscScalar[], PetscScalar[]);
     16: };

     18: struct _p_DMPlexTransform {
     19:   PETSCHEADER(struct _p_DMPlexTransformOps);
     20:   void *data;

     22:   DM            dm;            /* This is the DM for which the transform has been computed */
     23:   DMLabel       active;        /* If not NULL, indicates points that are participating in the transform */
     24:   DMLabel       trType;        /* If not NULL, this holds the transformation type for each point */
     25:   PetscInt      setupcalled;   /* Flag to indicate the setup stage */
     26:   PetscInt     *ctOrderOld;    /* [i] = ct: An array with original cell types in depth order */
     27:   PetscInt     *ctOrderInvOld; /* [ct] = i: An array with the ordinal numbers for each original cell type */
     28:   PetscInt     *ctStart;       /* [ct]: The number for the first cell of each polytope type in the original mesh */
     29:   PetscInt     *ctOrderNew;    /* [i] = ct: An array with produced cell types in depth order */
     30:   PetscInt     *ctOrderInvNew; /* [ct] = i: An array with the ordinal numbers for each produced cell type */
     31:   PetscInt     *ctStartNew;    /* [ctNew]: The number for the first cell of each polytope type in the new mesh */
     32:   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 */
     33:   PetscInt      depth;         /* The depth of the transformed mesh */
     34:   PetscInt     *depthStart;    /* The starting point for each depth stratum */
     35:   PetscInt     *depthEnd;      /* The starting point for the next depth stratum */
     36:   PetscInt     *trNv;          /* The number of transformed vertices in the closure of a cell of each type */
     37:   PetscScalar **trVerts;       /* The transformed vertex coordinates in the closure of a cell of each type */
     38:   PetscInt  ****trSubVerts;    /* The indices for vertices of subcell (rct, r) in a cell of each type */
     39:   PetscFE      *coordFE;       /* Finite element for each cell type, used for localized coordinate interpolation */
     40:   PetscFEGeom **refGeom;       /* Geometry of the reference cell for each cell type */
     41:   /* Label construction */
     42:   PetscBool labelMatchStrata; /* Flag to restrict labeled points to the same cell type as parents */
     43:   PetscInt  labelReplicaInc;  /* Multiplier to create new label values for replicas v = oldv + r * repInc */
     44: };

     46: typedef struct {
     47:   PetscInt dummy;
     48: } DMPlexTransform_Filter;

     50: typedef enum {
     51:   NORMAL_DEFAULT,
     52:   NORMAL_INPUT,
     53:   NORMAL_COMPUTE,
     54:   NORMAL_COMPUTE_BD
     55: } PlexNormalAlg;
     56: PETSC_EXTERN const char *const PlexNormalAlgs[];

     58: typedef struct {
     59:   /* Inputs */
     60:   PetscInt            dimEx;       /* The dimension of the extruded mesh */
     61:   PetscInt            cdim;        /* The coordinate dimension of the input mesh */
     62:   PetscInt            cdimEx;      /* The coordinate dimension of the extruded mesh */
     63:   PetscInt            layers;      /* The number of extruded layers */
     64:   PetscReal           thickness;   /* The total thickness of the extruded layers */
     65:   PetscInt            Nth;         /* The number of specified thicknesses */
     66:   PetscReal          *thicknesses; /* The input layer thicknesses */
     67:   PetscBool           useTensor;   /* Flag to create tensor cells */
     68:   PlexNormalAlg       normalAlg;   /* Algorithm to use for computing normal */
     69:   PetscReal           normal[3];   /* Surface normal from input */
     70:   DM                  dmNormal;    // DM for normal field
     71:   Vec                 vecNormal;   // Normal at each vertex
     72:   PetscSimplePointFn *normalFunc;  /* A function returning the normal at a given point */
     73:   PetscBool           symmetric;   /* Extrude layers symmetrically about the surface */
     74:   PetscBool           periodic;    /* Connect the extruded layer periodically to the beginning */
     75:   /* Calculated quantities */
     76:   PetscReal       *layerPos; /* The position of each layer relative to the original surface, along the local normal direction */
     77:   PetscInt        *Nt;       /* The array of the number of target types */
     78:   DMPolytopeType **target;   /* The array of target types */
     79:   PetscInt       **size;     /* The array of the number of each target type */
     80:   PetscInt       **cone;     /* The array of cones for each target cell */
     81:   PetscInt       **ornt;     /* The array of orientation for each target cell */
     82:   // Borrowed storage
     83:   const PetscInt *degree; // The root degree of all points in the original mesh
     84: } DMPlexTransform_Extrude;

     86: typedef struct {
     87:   PetscInt         debug;     // Debugging level
     88:   PetscBool        useTensor; // Flag to create tensor cells
     89:   PetscReal        width;     // The width of a cohesive cell
     90:   PetscInt        *Nt;        // The array of the number of target types
     91:   DMPolytopeType **target;    // The array of target types
     92:   PetscInt       **size;      // The array of the number of each target type
     93:   PetscInt       **cone;      // The array of cones for each target cell
     94:   PetscInt       **ornt;      // The array of orientation for each target cell
     95: } DMPlexTransform_Cohesive;

     97: typedef struct {
     98:   PetscInt dummy;
     99: } DMPlexRefine_Regular;

    101: typedef struct {
    102:   PetscInt dummy;
    103: } DMPlexRefine_ToBox;

    105: typedef struct {
    106:   PetscInt dummy;
    107: } DMPlexRefine_Alfeld;

    109: typedef struct {
    110:   DMLabel      splitPoints; /* List of edges to be bisected (1) and cells to be divided (2) */
    111:   PetscSection secEdgeLen;  /* Section for edge length field */
    112:   PetscReal   *edgeLen;     /* Storage for edge length field */
    113: } DMPlexRefine_SBR;

    115: typedef struct {
    116:   PetscInt dummy;
    117: } DMPlexRefine_1D;

    119: typedef struct {
    120:   PetscInt         n;      /* The number of divisions to produce, so n = 1 gives 2 new cells */
    121:   PetscReal        r;      /* The factor increase for cell height */
    122:   PetscScalar     *h;      /* The computed cell heights, based on r */
    123:   PetscInt        *Nt;     /* The array of the number of target types */
    124:   DMPolytopeType **target; /* The array of target types */
    125:   PetscInt       **size;   /* The array of the number of each target type */
    126:   PetscInt       **cone;   /* The array of cones for each target cell */
    127:   PetscInt       **ornt;   /* The array of orientation for each target cell */
    128: } DMPlexRefine_BL;

    130: PetscErrorCode DMPlexTransformSetDimensions_Internal(DMPlexTransform, DM, DM);
    131: PetscErrorCode DMPlexTransformMapCoordinatesBarycenter_Internal(DMPlexTransform, DMPolytopeType, DMPolytopeType, PetscInt, PetscInt, PetscInt, PetscInt, const PetscScalar[], PetscScalar[]);
    132: PetscErrorCode DMPlexTransformGetSubcellOrientation_Regular(DMPlexTransform, DMPolytopeType, PetscInt, PetscInt, DMPolytopeType, PetscInt, PetscInt, PetscInt *, PetscInt *);
    133: PetscErrorCode DMPlexTransformCellRefine_Regular(DMPlexTransform, DMPolytopeType, PetscInt, PetscInt *, PetscInt *, DMPolytopeType *[], PetscInt *[], PetscInt *[], PetscInt *[]);