petsc-master 2020-11-25
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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(), TSGetI2Function()

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