xref: /petsc/include/petscdmswarm.h (revision e8e188d2d8d8bcc000607a9a2a524e07d1c8a16a)
1 #pragma once
2 
3 #include <petscdm.h>
4 #include <petscdt.h>
5 
6 /* SUBMANSEC = DMSwarm */
7 
8 /*E
9    DMSwarmType - Defines the type of `DMSWARM`
10 
11    Values:
12 +  `DMSWARM_BASIC` - defines N entries of varied data-types which the user may register.
13 -  `DMSWARM_PIC` - suitable for particle-in-cell methods. Configured as `DMSWARM_PIC`, the swarm will be aware of, another `DM` which serves as the background mesh.
14    Fields specific to particle-in-cell methods are registered by default. These include spatial coordinates, a unique identifier, a cell index and an index for
15    the owning rank. The background mesh will (by default) define the spatial decomposition of the points defined in the swarm. `DMSWARM_PIC` provides support
16    for particle-in-cell operations such as defining initial point coordinates, communicating particles between sub-domains, projecting particle data fields on to the mesh.
17 
18    Level: beginner
19 
20 .seealso: `DMSWARM`, `DMSwarmSetType()`
21 E*/
22 typedef enum {
23   DMSWARM_BASIC = 0,
24   DMSWARM_PIC
25 } DMSwarmType;
26 
27 typedef enum {
28   DMSWARM_MIGRATE_BASIC = 0,
29   DMSWARM_MIGRATE_DMCELLNSCATTER,
30   DMSWARM_MIGRATE_DMCELLEXACT,
31   DMSWARM_MIGRATE_USER
32 } DMSwarmMigrateType;
33 
34 typedef enum {
35   DMSWARM_COLLECT_BASIC = 0,
36   DMSWARM_COLLECT_DMDABOUNDINGBOX,
37   DMSWARM_COLLECT_GENERAL,
38   DMSWARM_COLLECT_USER
39 } DMSwarmCollectType;
40 
41 /*E
42    DMSwarmPICLayoutType - Defines the method used to define particle coordinates within each cell. The layouts are constructured using the reference cell geometry
43 
44    Values:
45 +  `DMSWARMPIC_LAYOUT_REGULAR` - defines points on a regular ijk mesh. When using `DMSWARMPIC_LAYOUT_REGULAR`, the fill_param defines the number of points in each spatial direction.
46 .  `DMSWARMPIC_LAYOUT_GAUSS` -  defines points using an npoint Gauss-Legendre tensor product quadrature rule.
47    When using `DMSWARMPIC_LAYOUT_GAUSS`, the fill_param defines the number of quadrature points in each spatial direction.
48 
49 -  `DMSWARMPIC_LAYOUT_SUBDIVISION` - defines points on the centroid of a sub-divided reference cell.
50    When using `DMSWARMPIC_LAYOUT_SUBDIVISION`, the fill_param defines the number times the reference cell is sub-divided.
51 
52    Level: beginner
53 
54 .seealso: `DMSWARM`, `DM`, `DMSwarmInsertPointsUsingCellDM()`
55 E*/
56 typedef enum {
57   DMSWARMPIC_LAYOUT_REGULAR = 0,
58   DMSWARMPIC_LAYOUT_GAUSS,
59   DMSWARMPIC_LAYOUT_SUBDIVISION
60 } DMSwarmPICLayoutType;
61 
62 PETSC_EXTERN const char *DMSwarmTypeNames[];
63 PETSC_EXTERN const char *DMSwarmMigrateTypeNames[];
64 PETSC_EXTERN const char *DMSwarmCollectTypeNames[];
65 
66 PETSC_EXTERN const char DMSwarmField_pid[];
67 PETSC_EXTERN const char DMSwarmField_rank[];
68 PETSC_EXTERN const char DMSwarmPICField_coor[];
69 PETSC_EXTERN const char DMSwarmPICField_cellid[];
70 
71 PETSC_EXTERN PetscErrorCode DMSwarmCreateGlobalVectorFromField(DM, const char[], Vec *);
72 PETSC_EXTERN PetscErrorCode DMSwarmDestroyGlobalVectorFromField(DM, const char[], Vec *);
73 PETSC_EXTERN PetscErrorCode DMSwarmCreateLocalVectorFromField(DM, const char[], Vec *);
74 PETSC_EXTERN PetscErrorCode DMSwarmDestroyLocalVectorFromField(DM, const char[], Vec *);
75 
76 PETSC_EXTERN PetscErrorCode DMSwarmInitializeFieldRegister(DM);
77 PETSC_EXTERN PetscErrorCode DMSwarmFinalizeFieldRegister(DM);
78 PETSC_EXTERN PetscErrorCode DMSwarmSetLocalSizes(DM, PetscInt, PetscInt);
79 PETSC_EXTERN PetscErrorCode DMSwarmRegisterPetscDatatypeField(DM, const char[], PetscInt, PetscDataType);
80 PETSC_EXTERN PetscErrorCode DMSwarmRegisterUserStructField(DM, const char[], size_t);
81 PETSC_EXTERN PetscErrorCode DMSwarmRegisterUserDatatypeField(DM, const char[], size_t, PetscInt);
82 PETSC_EXTERN PetscErrorCode DMSwarmGetField(DM, const char[], PetscInt *, PetscDataType *, void **);
83 PETSC_EXTERN PetscErrorCode DMSwarmRestoreField(DM, const char[], PetscInt *, PetscDataType *, void **);
84 
85 PETSC_EXTERN PetscErrorCode DMSwarmVectorDefineField(DM, const char[]);
86 
87 PETSC_EXTERN PetscErrorCode DMSwarmAddPoint(DM);
88 PETSC_EXTERN PetscErrorCode DMSwarmAddNPoints(DM, PetscInt);
89 PETSC_EXTERN PetscErrorCode DMSwarmRemovePoint(DM);
90 PETSC_EXTERN PetscErrorCode DMSwarmRemovePointAtIndex(DM, PetscInt);
91 PETSC_EXTERN PetscErrorCode DMSwarmCopyPoint(DM dm, PetscInt, PetscInt);
92 
93 PETSC_EXTERN PetscErrorCode DMSwarmGetLocalSize(DM, PetscInt *);
94 PETSC_EXTERN PetscErrorCode DMSwarmGetSize(DM, PetscInt *);
95 PETSC_EXTERN PetscErrorCode DMSwarmGetMigrateType(DM, DMSwarmMigrateType *);
96 PETSC_EXTERN PetscErrorCode DMSwarmSetMigrateType(DM, DMSwarmMigrateType);
97 PETSC_EXTERN PetscErrorCode DMSwarmMigrate(DM, PetscBool);
98 
99 PETSC_EXTERN PetscErrorCode DMSwarmCollectViewCreate(DM);
100 PETSC_EXTERN PetscErrorCode DMSwarmCollectViewDestroy(DM);
101 PETSC_EXTERN PetscErrorCode DMSwarmSetCellDM(DM, DM);
102 PETSC_EXTERN PetscErrorCode DMSwarmGetCellDM(DM, DM *);
103 
104 PETSC_EXTERN PetscErrorCode DMSwarmSetType(DM, DMSwarmType);
105 
106 PETSC_EXTERN PetscErrorCode DMSwarmSetPointsUniformCoordinates(DM, PetscReal *, PetscReal *, PetscInt *, InsertMode);
107 PETSC_EXTERN PetscErrorCode DMSwarmSetPointCoordinates(DM, PetscInt, PetscReal *, PetscBool, InsertMode);
108 PETSC_EXTERN PetscErrorCode DMSwarmInsertPointsUsingCellDM(DM, DMSwarmPICLayoutType, PetscInt);
109 PETSC_EXTERN PetscErrorCode DMSwarmSetPointCoordinatesCellwise(DM, PetscInt, PetscReal *);
110 PETSC_EXTERN PetscErrorCode DMSwarmSetPointCoordinatesRandom(DM, PetscInt);
111 PETSC_EXTERN PetscErrorCode DMSwarmViewFieldsXDMF(DM, const char *, PetscInt, const char **);
112 PETSC_EXTERN PetscErrorCode DMSwarmViewXDMF(DM, const char *);
113 
114 PETSC_EXTERN PetscErrorCode DMSwarmSortGetAccess(DM);
115 PETSC_EXTERN PetscErrorCode DMSwarmSortRestoreAccess(DM);
116 PETSC_EXTERN PetscErrorCode DMSwarmSortGetPointsPerCell(DM, PetscInt, PetscInt *, PetscInt **);
117 PETSC_EXTERN PetscErrorCode DMSwarmSortGetNumberOfPointsPerCell(DM, PetscInt, PetscInt *);
118 PETSC_EXTERN PetscErrorCode DMSwarmSortGetIsValid(DM, PetscBool *);
119 PETSC_EXTERN PetscErrorCode DMSwarmSortGetSizes(DM, PetscInt *, PetscInt *);
120 
121 PETSC_EXTERN PetscErrorCode DMSwarmProjectFields(DM, PetscInt, const char **, Vec **, PetscBool);
122 PETSC_EXTERN PetscErrorCode DMSwarmCreateMassMatrixSquare(DM, DM, Mat *);
123 
124 PETSC_EXTERN PetscErrorCode DMSwarmGetCellSwarm(DM, PetscInt, DM);
125 PETSC_EXTERN PetscErrorCode DMSwarmRestoreCellSwarm(DM, PetscInt, DM);
126 PETSC_EXTERN PetscErrorCode DMSwarmGetNumSpecies(DM, PetscInt *);
127 PETSC_EXTERN PetscErrorCode DMSwarmSetNumSpecies(DM, PetscInt);
128 PETSC_EXTERN PetscErrorCode DMSwarmGetCoordinateFunction(DM, PetscErrorCode (**)(PetscInt, PetscReal, const PetscReal[], PetscInt, PetscScalar[], void *));
129 PETSC_EXTERN PetscErrorCode DMSwarmSetCoordinateFunction(DM, PetscErrorCode (*)(PetscInt, PetscReal, const PetscReal[], PetscInt, PetscScalar[], void *));
130 PETSC_EXTERN PetscErrorCode DMSwarmGetVelocityFunction(DM, PetscErrorCode (**)(PetscInt, PetscReal, const PetscReal[], PetscInt, PetscScalar[], void *));
131 PETSC_EXTERN PetscErrorCode DMSwarmSetVelocityFunction(DM, PetscErrorCode (*)(PetscInt, PetscReal, const PetscReal[], PetscInt, PetscScalar[], void *));
132 PETSC_EXTERN PetscErrorCode DMSwarmComputeLocalSize(DM, PetscInt, PetscProbFunc);
133 PETSC_EXTERN PetscErrorCode DMSwarmComputeLocalSizeFromOptions(DM);
134 PETSC_EXTERN PetscErrorCode DMSwarmInitializeCoordinates(DM);
135 PETSC_EXTERN PetscErrorCode DMSwarmInitializeVelocities(DM, PetscProbFunc, const PetscReal[]);
136 PETSC_EXTERN PetscErrorCode DMSwarmInitializeVelocitiesFromOptions(DM, const PetscReal[]);
137