LandauStaticData

Workspace of pre-computed quadrature, geometry, and physics data that is shared by every Jacobian assembly of the DMPLEX Landau collision operator

Synopsis

#include "petscdmplex.h"    
typedef struct {
  void *invJ;    // nip*dim*dim
  void *D;       // nq*nb*dim
  void *B;       // nq*nb
  void *alpha;   // ns
  void *beta;    // ns
  void *invMass; // ns
  void *w;       // nip
  void *x;       // nip
  void *y;       // nip
  void *z;       // nip
  void *Eq_m;    // ns - dynamic
  void *f;       //  nip*Nf - dynamic (IP)
  void *dfdx;    // nip*Nf - dynamic (IP)
  void *dfdy;    // nip*Nf - dynamic (IP)
  void *dfdz;    // nip*Nf - dynamic (IP)
  int   dim_, ns_, nip_, nq_, nb_;
  void *NCells;         // remove and use elem_offset - TODO
  void *species_offset; // for each grid, but same for all batched vertices
  void *mat_offset;     // for each grid, but same for all batched vertices
  void *elem_offset;    // for each grid, but same for all batched vertices
  void *ip_offset;      // for each grid, but same for all batched vertices
  void *ipf_offset;     // for each grid, but same for all batched vertices
  void *ipfdf_data;     // for each grid, but same for all batched vertices
  void *maps;           // for each grid, but same for all batched vertices
  // COO
  void     *coo_elem_offsets;
  void     *coo_elem_point_offsets;
  void     *coo_elem_fullNb;
  void     *coo_vals;
  void     *lambdas;
  LandauIdx coo_n_cellsTot;
  LandauIdx coo_size;
  LandauIdx coo_max_fullnb;
} LandauStaticData;

Note

The fields are typed as void * so that the same struct can hold either host arrays or device (Kokkos/CUDA/HIP) arrays depending on LandauDeviceType. The contents are managed by DMPlexLandauCreateVelocitySpace() and friends and are not intended to be inspected by user code.

See Also

DMPlexLandauCreateVelocitySpace(), LandauCtx, LandauDeviceType, LandauIdx

Level

developer

Location

include/petsclandau.h

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Index of all LANDAU routines
Table of Contents for all manual pages
Index of all manual pages