void
Albany::SolutionAverageResponseFunction::
evaluateTangent(const double alpha,
const double beta,
const double current_time,
bool sum_derivs,
const Epetra_Vector* xdot,
const Epetra_Vector& x,
const Teuchos::Array<ParamVec>& p,
ParamVec* deriv_p,
const Epetra_MultiVector* Vxdot,
const Epetra_MultiVector* Vx,
const Epetra_MultiVector* Vp,
Epetra_Vector* g,
Epetra_MultiVector* gx,
Epetra_MultiVector* gp)
{
// Evaluate response g
if (g != NULL)
x.MeanValue(&(*g)[0]);
// Evaluate tangent of g = dg/dx*Vx + dg/dxdot*Vxdot + dg/dp*Vp
// If Vx == NULL, Vx is the identity
if (gx != NULL) {
if (Vx != NULL)
for (int j=0; j<Vx->NumVectors(); j++)
(*Vx)(j)->MeanValue(&(*gx)[j][0]);
else
gx->PutScalar(1.0/x.GlobalLength());
gx->Scale(alpha);
}
if (gp != NULL)
gp->PutScalar(0.0);
}
void
Albany::SolutionAverageResponseFunction::
evaluateGradient(const double current_time,
const Epetra_Vector* xdot,
const Epetra_Vector& x,
const Teuchos::Array<ParamVec>& p,
ParamVec* deriv_p,
Epetra_Vector* g,
Epetra_MultiVector* dg_dx,
Epetra_MultiVector* dg_dxdot,
Epetra_MultiVector* dg_dp)
{
// Evaluate response g
if (g != NULL)
x.MeanValue(&(*g)[0]);
// Evaluate dg/dx
if (dg_dx != NULL)
dg_dx->PutScalar(1.0 / x.GlobalLength());
// Evaluate dg/dxdot
if (dg_dxdot != NULL)
dg_dxdot->PutScalar(0.0);
// Evaluate dg/dp
if (dg_dp != NULL)
dg_dp->PutScalar(0.0);
}
void
Albany::SolutionAverageResponseFunction::
evaluateResponse(const double current_time,
const Epetra_Vector* xdot,
const Epetra_Vector& x,
const Teuchos::Array<ParamVec>& p,
Epetra_Vector& g)
{
x.MeanValue(&g[0]);
}
