DMPlexLandauIJacobian#

TS Jacobian construction, confusingly this adds mass

Synopsis#

#include "petscdmplex.h" 
#include "petsclandau.h"   
PetscErrorCode DMPlexLandauIJacobian(TS ts, PetscReal time_dummy, Vec X, Vec U_tdummy, PetscReal shift, Mat Amat, Mat Pmat, void *actx)

Collective

Input Parameters#

  • TS - The time stepping context

  • time_dummy - current time (not used)

  • X - Current state

  • U_tdummy - Time derivative of current state (not used)

  • shift - shift for du/dt term

  • actx - Landau context

Output Parameters#

  • Amat - Jacobian

  • Pmat - same as Amat

.keywords: mesh

See Also#

DMPlexLandauCreateVelocitySpace(), DMPlexLandauIFunction()

Level#

beginner

Location#

src/ts/utils/dmplexlandau/plexland.c

Examples#

src/ts/utils/dmplexlandau/tutorials/ex1.c
src/ts/utils/dmplexlandau/tutorials/ex1f90.F90
src/ts/utils/dmplexlandau/tutorials/ex2.c

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