LOCA::Epetra::Interface::TimeDependent Class Reference

Used by LOCA::Epetra::Group to provide a link to the external code for computing the shifted matrix. More...

#include <LOCA_Epetra_Interface_TimeDependent.H>

Inheritance diagram for LOCA::Epetra::Interface::TimeDependent:

[legend]Collaboration diagram for LOCA::Epetra::Interface::TimeDependent:

[legend]List of all members.

Public Member Functions
	TimeDependent ()
	Constructor.
virtual	~TimeDependent ()
	Destructor.
virtual bool	computeShiftedMatrix (double alpha, double beta, const Epetra_Vector &x, Epetra_Operator &A)=0
	Call user routine for computing the shifted matrix where is the Jacobian matrix and is the mass matrix.
virtual void	setXdot (const Epetra_Vector &xdot, const double time)
	Routine used in XYZT to set x_dot and time in the interface.

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Detailed Description

Used by LOCA::Epetra::Group to provide a link to the external code for computing the shifted matrix.

This interface is derived from the NOX::Epetra::Interface::Jacobian and additionally provides a method for computing the shifted matrix . This is needed for linear stability analysis and Hopf tracking.

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Member Function Documentation

virtual void LOCA::Epetra::Interface::TimeDependent::setXdot	(	const Epetra_Vector &	xdot,
		const double	time
	)			[inline, virtual]

Routine used in XYZT to set x_dot and time in the interface.

The computeF() routine for XYZT problems needs to be a function of x_dot, but th NOX/LOCA computeF() does not take x_dot as an argument. This is used to set x_dot in the application interface so the subsequent call to computeF has the correct x_dot value. The timeStep argument is sent so the use can set the global time, for cases when computeF, computeJacobian, computeMassMatrix fills are functions of time (nonautonomous systems).

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The documentation for this class was generated from the following file:

• LOCA_Epetra_Interface_TimeDependent.H

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