petsc-3.14.6 2021-03-30
TSComputeTransientVariable
transforms state (primitive) variables to transient (conservative) variables
Synopsis
#include "petscts.h"
PetscErrorCode TSComputeTransientVariable(TS ts,Vec U,Vec C)
Logically Collective
Input Parameters
| ts | - TS on which to compute
|
| U | - state vector to be transformed to transient variables
|
Output Parameters
| C | - transient (conservative) variable
|
Developer Notes
If DMTSSetTransientVariable() has not been called, then C is not modified in this routine and C=NULL is allowed.
This makes it safe to call without a guard. One can use TSHasTransientVariable() to check if transient variables are
being used.
See Also
DMTSSetTransientVariable(), TSComputeIFunction(), TSComputeIJacobian()
Level
developer
Location
src/ts/interface/ts.c
Index of all TS routines
Table of Contents for all manual pages
Index of all manual pages