Dune::PDELab::CombinedOperator< ApplyOp, Args > Class Template Reference

A local operator to take combine different local operators. More...

#include <dune/pdelab/localoperator/combinedoperator.hh>

Inheritance diagram for Dune::PDELab::CombinedOperator< ApplyOp, Args >:

Protected Types
using	ArgPtrs = std::tuple< std::shared_ptr< std::remove_reference_t< Args > >... >
using	ArgRefs = std::tuple< Args &... >

Protected Member Functions
template<typename... FArgs>
void	applyLops (FArgs &... args) const

Protected Attributes
ArgPtrs	lops

Construction and modification
	CombinedOperator (ArgPtrs &&l)
	CombinedOperator ()
	CombinedOperator (Args &... args)
	CombinedOperator (Args &&... args)
template<std::size_t i>
void	setSummand (typename std::tuple_element_t< i, ArgRefs > summand)
	set the i'th component of the sum More...
template<std::size_t i>
std::tuple_element_t< i, ArgRefs >	getSummand ()
	get the i'th component of the sum More...

Control flags
enum	{ doPatternVolume }
	Whether to assemble the pattern on the elements, i.e. whether or not pattern_volume() should be called. More...
enum	{ doPatternVolumePostSkeleton }
	Whether to assemble the pattern on the elements after the skeleton has been handled, i.e. whether or not pattern_volume_post_skeleton() should be called. More...
enum	{ doPatternSkeleton }
	Whether to assemble the pattern on the interior intersections, i.e. whether or not pattern_skeleton() should be called. More...
enum	{ doPatternBoundary }
	Whether to assemble the pattern on the boundary intersections, i.e. whether or not pattern_boundary() should be called. More...
enum	{ doAlphaVolume }
	Whether to call the local operator's alpha_volume(), jacobian_apply_volume() and jacobian_volume(). More...
enum	{ doAlphaVolumePostSkeleton }
	Whether to call the local operator's alpha_volume_post_skeleton(), jacobian_apply_volume_post_skeleton() and jacobian_volume_post_skeleton(). More...
enum	{ doAlphaSkeleton }
	Whether to call the local operator's alpha_skeleton(), jacobian_apply_skeleton() and jacobian_skeleton(). More...
enum	{ doAlphaBoundary }
	Whether to call the local operator's alpha_boundary(), jacobian_apply_boundary() and jacobian_boundary(). More...
enum	{ doLambdaVolume }
	Whether to call the local operator's lambda_volume(). More...
enum	{ doLambdaVolumePostSkeleton }
	Whether to call the local operator's lambda_volume_post_skeleton(). More...
enum	{ doLambdaSkeleton }
	Whether to call the local operator's lambda_skeleton(). More...
enum	{ doLambdaBoundary }
	Whether to call the local operator's lambda_boundary(). More...
enum	{ doSkeletonTwoSided }
	Whether to visit the skeleton methods from both sides. More...
enum	{ isLinear = std::conjunction_v<std::integral_constant<bool,Args::isLinear>...> }
	Whether this is a linear operator. More...

Methods for the sparsity pattern
template<typename LFSU , typename LFSV , typename LocalPattern >
void	pattern_volume (const LFSU &lfsu, const LFSV &lfsv, LocalPattern &pattern) const
	get an element's contribution to the sparsity pattern More...
template<typename LFSU , typename LFSV , typename LocalPattern >
void	pattern_volume_post_skeleton (const LFSU &lfsu, const LFSV &lfsv, LocalPattern &pattern) const
	get an element's contribution to the sparsity pattern after the intersections have been handled More...
template<typename LFSU , typename LFSV , typename LocalPattern >
void	pattern_skeleton (const LFSU &lfsu_s, const LFSV &lfsv_s, const LFSU &lfsu_n, const LFSV &lfsv_n, LocalPattern &pattern_sn, LocalPattern &pattern_ns) const
	get an internal intersection's contribution to the sparsity pattern More...
template<typename LFSU , typename LFSV , typename LocalPattern >
void	pattern_boundary (const LFSU &lfsu_s, const LFSV &lfsv_s, LocalPattern &pattern_ss) const
	get a boundary intersection's contribution to the sparsity pattern More...

Methods for the residual – non-constant parts
template<typename EG , typename LFSU , typename X , typename LFSV , typename R >
void	alpha_volume (const EG &eg, const LFSU &lfsu, const X &x, const LFSV &lfsv, R &r) const
	get an element's contribution to alpha More...
template<typename EG , typename LFSU , typename X , typename LFSV , typename R >
void	alpha_volume_post_skeleton (const EG &eg, const LFSU &lfsu, const X &x, const LFSV &lfsv, R &r) const
	get an element's contribution to alpha after the intersections have been handled More...
template<typename IG , typename LFSU , typename X , typename LFSV , typename R >
void	alpha_skeleton (const IG &ig, const LFSU &lfsu_s, const X &x_s, const LFSV &lfsv_s, const LFSU &lfsu_n, const X &x_n, const LFSV &lfsv_n, R &r_s, R &r_n) const
	get an internal intersections's contribution to alpha More...
template<typename IG , typename LFSU , typename X , typename LFSV , typename R >
void	alpha_boundary (const IG &ig, const LFSU &lfsu_s, const X &x_s, const LFSV &lfsv_s, R &r_s) const
	get a boundary intersections's contribution to alpha More...

Methods for the residual – constant parts
template<typename EG , typename LFSV , typename R >
void	lambda_volume (const EG &eg, const LFSV &lfsv, R &r) const
	get an element's contribution to lambda More...
template<typename EG , typename LFSV , typename R >
void	lambda_volume_post_skeleton (const EG &eg, const LFSV &lfsv, R &r) const
	get an element's contribution to lambda after the intersections have been handled More...
template<typename IG , typename LFSV , typename R >
void	lambda_skeleton (const IG &ig, const LFSV &lfsv_s, const LFSV &lfsv_n, R &r_s, R &r_n) const
	get an internal intersections's contribution to lambda More...
template<typename IG , typename LFSV , typename R >
void	lambda_boundary (const IG &ig, const LFSV &lfsv_s, R &r_s) const
	get a boundary intersections's contribution to lambda More...

Methods for the application of the jacobian
template<typename EG , typename LFSU , typename X , typename LFSV , typename Y >
void	jacobian_apply_volume (const EG &eg, const LFSU &lfsu, const X &x, const LFSV &lfsv, Y &y) const
	apply an element's jacobian More...
template<typename EG , typename LFSU , typename X , typename LFSV , typename Y >
void	jacobian_apply_volume_post_skeleton (const EG &eg, const LFSU &lfsu, const X &x, const LFSV &lfsv, Y &y) const
	apply an element's jacobian after the intersections have been handled More...
template<typename IG , typename LFSU , typename X , typename LFSV , typename Y >
void	jacobian_apply_skeleton (const IG &ig, const LFSU &lfsu_s, const X &x_s, const LFSV &lfsv_s, const LFSU &lfsu_n, const X &x_n, const LFSV &lfsv_n, Y &y_s, Y &y_n) const
	apply an internal intersections's jacobians More...
template<typename IG , typename LFSU , typename X , typename LFSV , typename Y >
void	jacobian_apply_boundary (const IG &ig, const LFSU &lfsu_s, const X &x_s, const LFSV &lfsv_s, Y &y_s) const
	apply a boundary intersections's jacobian More...

Methods to extract the jacobian
template<typename EG , typename LFSU , typename X , typename LFSV , typename LocalMatrix >
void	jacobian_volume (const EG &eg, const LFSU &lfsu, const X &x, const LFSV &lfsv, LocalMatrix &mat) const
	get an element's jacobian More...
template<typename EG , typename LFSU , typename X , typename LFSV , typename LocalMatrix >
void	jacobian_volume_post_skeleton (const EG &eg, const LFSU &lfsu, const X &x, const LFSV &lfsv, LocalMatrix &mat) const
	get an element's jacobian after the intersections have been handled More...
template<typename IG , typename LFSU , typename X , typename LFSV , typename LocalMatrix >
void	jacobian_skeleton (const IG &ig, const LFSU &lfsu_s, const X &x_s, const LFSV &lfsv_s, const LFSU &lfsu_n, const X &x_n, const LFSV &lfsv_n, LocalMatrix &mat_ss, LocalMatrix &mat_sn, LocalMatrix &mat_ns, LocalMatrix &mat_nn) const
	apply an internal intersections's jacobians More...
template<typename IG , typename LFSU , typename X , typename LFSV , typename LocalMatrix >
void	jacobian_boundary (const IG &ig, const LFSU &lfsu_s, const X &x_s, const LFSV &lfsv_s, LocalMatrix &mat_ss) const
	get a boundary intersections's jacobian More...

Methods for instationary problems
typedef std::tuple_element< 0, std::tuple< Args... > >::type::RealType	RealType
	Export type used for time values. More...
void	setTime (RealType t)
	set time for subsequent evaluation More...
RealType	getTime () const
	get current time More...
void	preStep (RealType time, RealType dt, int stages)
	to be called once before each time step More...
void	postStep ()
	to be called once at the end of each time step More...
void	preStage (RealType time, int r)
	to be called once before each stage More...
int	getStage () const
	get current stage More...
void	postStage ()
	to be called once at the end of each stage More...
RealType	suggestTimestep (RealType dt) const
	to be called after stage 1 More...

Detailed Description

template<typename ApplyOp, typename... Args>
class Dune::PDELab::CombinedOperator< ApplyOp, Args >

A local operator to take combine different local operators.

Template Parameters

ApplyOp	operator implementing applyLops to call a particular local operator and combine them
Args	variadic list of local operators

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

• combinedoperator.hh