petsc-master 2019-11-16
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TSComputeI2Function

Evaluates the DAE residual written in implicit form F(t,U,U_t,U_tt) = 0

Synopsis

#include "petscts.h"  
PetscErrorCode TSComputeI2Function(TS ts,PetscReal t,Vec U,Vec V,Vec A,Vec F)
Collective on TS

Input Parameters

ts - the TS context
t - current time
U - state vector
V - time derivative of state vector (U_t)
A - second time derivative of state vector (U_tt)

Output Parameter

F -the residual vector

Note

Most users should not need to explicitly call this routine, as it is used internally within the nonlinear solvers.

See Also

TSSetI2Function()

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