xref: /petsc/include/petscdmswarm.h (revision 98d129c30f3ee9fdddc40fdbc5a989b7be64f888)
1 #pragma once
2 
3 #include <petscdm.h>
4 #include <petscdt.h>
5 
6 typedef struct _p_DMSwarmDataField  *DMSwarmDataField;
7 typedef struct _p_DMSwarmDataBucket *DMSwarmDataBucket;
8 typedef struct _p_DMSwarmSort       *DMSwarmSort;
9 
10 /* SUBMANSEC = DMSwarm */
11 
12 /*E
13    DMSwarmType - Defines the type of `DMSWARM`
14 
15    Values:
16 +  `DMSWARM_BASIC` - defines N entries of varied data-types which the user may register.
17 -  `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.
18 
19    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
20    the owning rank. The background mesh will (by default) define the spatial decomposition of the points defined in the swarm. `DMSWARM_PIC` provides support
21    for particle-in-cell operations such as defining initial point coordinates, communicating particles between sub-domains, projecting particle data fields on to the mesh.
22 
23    Level: beginner
24 
25 .seealso: [](ch_dmbase), `DMSWARM`, `DMSwarmSetType()`
26 E*/
27 typedef enum {
28   DMSWARM_BASIC = 0,
29   DMSWARM_PIC
30 } DMSwarmType;
31 
32 typedef enum {
33   DMSWARM_MIGRATE_BASIC = 0,
34   DMSWARM_MIGRATE_DMCELLNSCATTER,
35   DMSWARM_MIGRATE_DMCELLEXACT,
36   DMSWARM_MIGRATE_USER
37 } DMSwarmMigrateType;
38 
39 typedef enum {
40   DMSWARM_COLLECT_BASIC = 0,
41   DMSWARM_COLLECT_DMDABOUNDINGBOX,
42   DMSWARM_COLLECT_GENERAL,
43   DMSWARM_COLLECT_USER
44 } DMSwarmCollectType;
45 
46 /*E
47    DMSwarmPICLayoutType - Defines the method used to define particle coordinates within each cell. The layouts are constructured using the reference cell geometry
48 
49    Values:
50 +  `DMSWARMPIC_LAYOUT_REGULAR`     - defines points on a regular ijk mesh. In this case
51                                      the `fill_param` argument of `DMSwarmInsertPointsUsingCellDM()` defines the number of points in each spatial direction.
52 .  `DMSWARMPIC_LAYOUT_GAUSS`       - defines points using an npoint Gauss-Legendre tensor product quadrature rule. In this case
53                                      the `fill_param` argument of `DMSwarmInsertPointsUsingCellDM()` defines the number of quadrature points in each spatial direction.
54 -  `DMSWARMPIC_LAYOUT_SUBDIVISION` - defines points on the centroid of a sub-divided reference cell. In this case
55                                      the `fill_param` argument of `DMSwarmInsertPointsUsingCellDM()` defines the number times the reference cell is sub-divided.
56 
57    Level: beginner
58 
59 .seealso: [](ch_dmbase), `DMSWARM`, `DM`, `DMSwarmInsertPointsUsingCellDM()`
60 E*/
61 typedef enum {
62   DMSWARMPIC_LAYOUT_REGULAR = 0,
63   DMSWARMPIC_LAYOUT_GAUSS,
64   DMSWARMPIC_LAYOUT_SUBDIVISION
65 } DMSwarmPICLayoutType;
66 
67 PETSC_EXTERN const char *DMSwarmTypeNames[];
68 PETSC_EXTERN const char *DMSwarmMigrateTypeNames[];
69 PETSC_EXTERN const char *DMSwarmCollectTypeNames[];
70 
71 PETSC_EXTERN const char DMSwarmField_pid[];
72 PETSC_EXTERN const char DMSwarmField_rank[];
73 PETSC_EXTERN const char DMSwarmPICField_coor[];
74 PETSC_EXTERN const char DMSwarmPICField_cellid[];
75 
76 PETSC_EXTERN PetscErrorCode DMSwarmCreateGlobalVectorFromField(DM, const char[], Vec *);
77 PETSC_EXTERN PetscErrorCode DMSwarmDestroyGlobalVectorFromField(DM, const char[], Vec *);
78 PETSC_EXTERN PetscErrorCode DMSwarmCreateLocalVectorFromField(DM, const char[], Vec *);
79 PETSC_EXTERN PetscErrorCode DMSwarmDestroyLocalVectorFromField(DM, const char[], Vec *);
80 
81 PETSC_EXTERN PetscErrorCode DMSwarmInitializeFieldRegister(DM);
82 PETSC_EXTERN PetscErrorCode DMSwarmFinalizeFieldRegister(DM);
83 PETSC_EXTERN PetscErrorCode DMSwarmSetLocalSizes(DM, PetscInt, PetscInt);
84 PETSC_EXTERN PetscErrorCode DMSwarmRegisterPetscDatatypeField(DM, const char[], PetscInt, PetscDataType);
85 PETSC_EXTERN PetscErrorCode DMSwarmRegisterUserStructField(DM, const char[], size_t);
86 PETSC_EXTERN PetscErrorCode DMSwarmRegisterUserDatatypeField(DM, const char[], size_t, PetscInt);
87 PETSC_EXTERN PetscErrorCode DMSwarmGetField(DM, const char[], PetscInt *, PetscDataType *, void **);
88 PETSC_EXTERN PetscErrorCode DMSwarmRestoreField(DM, const char[], PetscInt *, PetscDataType *, void **);
89 PETSC_EXTERN PetscErrorCode DMSwarmGetFieldInfo(DM, const char[], PetscInt *, PetscDataType *);
90 
91 PETSC_EXTERN PetscErrorCode DMSwarmVectorDefineField(DM, const char[]);
92 PETSC_EXTERN PetscErrorCode DMSwarmVectorGetField(DM, const char *[]);
93 
94 PETSC_EXTERN PetscErrorCode DMSwarmAddPoint(DM);
95 PETSC_EXTERN PetscErrorCode DMSwarmAddNPoints(DM, PetscInt);
96 PETSC_EXTERN PetscErrorCode DMSwarmRemovePoint(DM);
97 PETSC_EXTERN PetscErrorCode DMSwarmRemovePointAtIndex(DM, PetscInt);
98 PETSC_EXTERN PetscErrorCode DMSwarmCopyPoint(DM dm, PetscInt, PetscInt);
99 
100 PETSC_EXTERN PetscErrorCode DMSwarmGetLocalSize(DM, PetscInt *);
101 PETSC_EXTERN PetscErrorCode DMSwarmGetSize(DM, PetscInt *);
102 PETSC_EXTERN PetscErrorCode DMSwarmGetMigrateType(DM, DMSwarmMigrateType *);
103 PETSC_EXTERN PetscErrorCode DMSwarmSetMigrateType(DM, DMSwarmMigrateType);
104 PETSC_EXTERN PetscErrorCode DMSwarmMigrate(DM, PetscBool);
105 
106 PETSC_EXTERN PetscErrorCode DMSwarmCollectViewCreate(DM);
107 PETSC_EXTERN PetscErrorCode DMSwarmCollectViewDestroy(DM);
108 PETSC_EXTERN PetscErrorCode DMSwarmSetCellDM(DM, DM);
109 PETSC_EXTERN PetscErrorCode DMSwarmGetCellDM(DM, DM *);
110 
111 PETSC_EXTERN PetscErrorCode DMSwarmSetType(DM, DMSwarmType);
112 
113 PETSC_EXTERN PetscErrorCode DMSwarmSetPointsUniformCoordinates(DM, PetscReal *, PetscReal *, PetscInt *, InsertMode);
114 PETSC_EXTERN PetscErrorCode DMSwarmSetPointCoordinates(DM, PetscInt, PetscReal *, PetscBool, InsertMode);
115 PETSC_EXTERN PetscErrorCode DMSwarmInsertPointsUsingCellDM(DM, DMSwarmPICLayoutType, PetscInt);
116 PETSC_EXTERN PetscErrorCode DMSwarmSetPointCoordinatesCellwise(DM, PetscInt, PetscReal *);
117 PETSC_EXTERN PetscErrorCode DMSwarmSetPointCoordinatesRandom(DM, PetscInt);
118 PETSC_EXTERN PetscErrorCode DMSwarmViewFieldsXDMF(DM, const char *, PetscInt, const char **);
119 PETSC_EXTERN PetscErrorCode DMSwarmViewXDMF(DM, const char *);
120 
121 PETSC_EXTERN PetscErrorCode DMSwarmSortGetAccess(DM);
122 PETSC_EXTERN PetscErrorCode DMSwarmSortRestoreAccess(DM);
123 PETSC_EXTERN PetscErrorCode DMSwarmSortGetPointsPerCell(DM, PetscInt, PetscInt *, PetscInt **);
124 PETSC_EXTERN PetscErrorCode DMSwarmSortGetNumberOfPointsPerCell(DM, PetscInt, PetscInt *);
125 PETSC_EXTERN PetscErrorCode DMSwarmSortGetIsValid(DM, PetscBool *);
126 PETSC_EXTERN PetscErrorCode DMSwarmSortGetSizes(DM, PetscInt *, PetscInt *);
127 
128 PETSC_EXTERN PetscErrorCode DMSwarmCreateMassMatrixSquare(DM, DM, Mat *);
129 
130 PETSC_EXTERN PetscErrorCode DMSwarmGetCellSwarm(DM, PetscInt, DM);
131 PETSC_EXTERN PetscErrorCode DMSwarmRestoreCellSwarm(DM, PetscInt, DM);
132 PETSC_EXTERN PetscErrorCode DMSwarmGetNumSpecies(DM, PetscInt *);
133 PETSC_EXTERN PetscErrorCode DMSwarmSetNumSpecies(DM, PetscInt);
134 PETSC_EXTERN PetscErrorCode DMSwarmGetCoordinateFunction(DM, PetscErrorCode (**)(PetscInt, PetscReal, const PetscReal[], PetscInt, PetscScalar[], void *));
135 PETSC_EXTERN PetscErrorCode DMSwarmSetCoordinateFunction(DM, PetscErrorCode (*)(PetscInt, PetscReal, const PetscReal[], PetscInt, PetscScalar[], void *));
136 PETSC_EXTERN PetscErrorCode DMSwarmGetVelocityFunction(DM, PetscErrorCode (**)(PetscInt, PetscReal, const PetscReal[], PetscInt, PetscScalar[], void *));
137 PETSC_EXTERN PetscErrorCode DMSwarmSetVelocityFunction(DM, PetscErrorCode (*)(PetscInt, PetscReal, const PetscReal[], PetscInt, PetscScalar[], void *));
138 PETSC_EXTERN PetscErrorCode DMSwarmComputeLocalSize(DM, PetscInt, PetscProbFunc);
139 PETSC_EXTERN PetscErrorCode DMSwarmComputeLocalSizeFromOptions(DM);
140 PETSC_EXTERN PetscErrorCode DMSwarmInitializeCoordinates(DM);
141 PETSC_EXTERN PetscErrorCode DMSwarmInitializeVelocities(DM, PetscProbFunc, const PetscReal[]);
142 PETSC_EXTERN PetscErrorCode DMSwarmInitializeVelocitiesFromOptions(DM, const PetscReal[]);
143 
144 // Interface to internal storage
145 PETSC_EXTERN PetscErrorCode DMSwarmDataFieldGetEntries(const DMSwarmDataField, void **);
146 PETSC_EXTERN PetscErrorCode DMSwarmDataFieldRestoreEntries(const DMSwarmDataField, void **);
147 PETSC_EXTERN PetscErrorCode DMSwarmDataBucketGetDMSwarmDataFieldByName(DMSwarmDataBucket, const char[], DMSwarmDataField *);
148 PETSC_EXTERN PetscErrorCode DMSwarmDataBucketGetDMSwarmDataFieldIdByName(DMSwarmDataBucket, const char[], PetscInt *);
149 PETSC_EXTERN PetscErrorCode DMSwarmDataBucketQueryDMSwarmDataFieldByName(DMSwarmDataBucket, const char[], PetscBool *);
150