PetscDSSelectDiscretizations#

Copy discretizations to the new problem with different field layout

Synopsis#

#include "petscds.h" 
PetscErrorCode PetscDSSelectDiscretizations(PetscDS prob, PetscInt numFields, const PetscInt fields[], PetscDS newprob)

Not Collective

Input Parameters#

  • prob - The PetscDS object

  • numFields - Number of new fields

  • fields - Old field number for each new field

Output Parameter#

See Also#

PetscDS, PetscDSSelectEquations(), PetscDSCopyBoundary(), PetscDSSetResidual(), PetscDSSetJacobian(), PetscDSSetRiemannSolver(), PetscDSSetBdResidual(), PetscDSSetBdJacobian(), PetscDSCreate()

Level#

intermediate

Location#

src/dm/dt/interface/dtds.c


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