Dune::PDELab::LocalAssemblerInterface< B, CU, CV > Class Template Reference

The local assembler which provides the engines that drive the global assembler. More...

#include <dune/pdelab/gridoperator/common/assembler.hh>

Public Member Functions
template<class RF >
void	setWeight (RF weight)
	Set current weight of assembling.
const CU &	trialConstraints () const
	get the constraints on the trial grid function space
const CV &	testConstraints () const
	get the constraints on the test grid function space
std::enable_if< AlwaysTrue< X >::value &&!std::is_same< CV, EmptyTransformation >::value >::type	forwardtransform (X &x, const bool postrestrict=false) const
	Transforms a vector \( \boldsymbol{x} \) from \( V\) to \( V'\). If postrestrict == true then \(\boldsymbol{R}^T_{\boldsymbol{\tilde U}', \boldsymbol{U}'} \boldsymbol{S}_{\boldsymbol{\tilde V}}\) is applied instead of the full transformation.
std::enable_if< AlwaysTrue< X >::value &&!std::is_same< CV, EmptyTransformation >::value >::type	backtransform (X &x, const bool prerestrict=false) const
	Transforms a vector \( \boldsymbol{x} \) from \( V'\) to \( V\). If prerestrict == true then \(\boldsymbol{S}^T_{\boldsymbol{\tilde U}}\) is applied instead of the full transformation.
Notification functions for time step controller
template<class TT >
void	setTime (TT time)
	Set current time of assembling.
template<typename TT >
void	preStep (TT time, TT dt, std::size_t stages)
	Notify local assembler about upcoming time step.
void	postStep ()
	Notify local assembler about completion of time step.
template<typename TT >
void	preStage (TT time, std::size_t stage)
	Notify local assembler about upcoming time step stage.
void	postStage ()
	Notify local assembler about completion of time step stage.
template<typename TT >
TT	suggestTimestep (TT dt) const
	Suggest a valid time step size.
Access to the assembler engines
LocalPatternAssemblerEngine &	localPatternAssemblerEngine (P &p)
LocalResidualAssemblerEngine &	localResidualAssemblerEngine (R &r, const X &x)
LocalJacobianAssemblerEngine &	localJacobianAssemblerEngine (A &a, const X &x)
LocalResidualJacobianAssemblerEngine &	localResidualJacobianAssemblerEngine (R &r, A &a, const X &x)

Protected Member Functions
void	eread (const GCView &globalcontainer_view, LocalMatrix< T > &localcontainer) const
	read local stiffness matrix for entity
void	ewrite (const LocalMatrix< T > &localcontainer, GCView &globalcontainer_view) const
	write local stiffness matrix for entity
void	eadd (const LocalMatrix< T > &localcontainer, GCView &globalcontainer_view) const
	write local stiffness matrix for entity
std::enable_if< AlwaysTrue< M >::value &&!std::is_same< CV, EmptyTransformation >::value >::type	scatter_jacobian (M &local_container, GCView &global_container_view, bool symmetric_mode) const
	Scatter local jacobian to global container.
void	etadd_symmetric (M &localcontainer, GCView &globalcontainer_view) const
	Add local matrix to global matrix, and apply Dirichlet constraints in a symmetric fashion. Apart from that, identical to etadd().
void	add_entry (P &globalpattern, const LFSVIndices &lfsv_indices, Index i, const LFSUIndices &lfsu_indices, Index j) const
	Adding matrix entry to pattern with respect to the constraints contributions. This assembles the entries addressed by etadd(..). See the documentation there for more information about the matrix pattern.
void	set_trivial_rows (const GFSV &gfsv, GC &globalcontainer, const C &c) const
	insert dirichlet constraints for row and assemble T^T_U in constrained rows

Detailed Description

template<typename B, typename CU, typename CV>
class Dune::PDELab::LocalAssemblerInterface< B, CU, CV >

The local assembler which provides the engines that drive the global assembler.

The local assembler provides engines for the standard operations of the grid operator. This includes setting up the pattern, computing the residual and the jacobian matrix.

It also provides a standard interface which may be used by implementations of time stepping methods.

---

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

• dune/pdelab/gridoperator/common/assembler.hh