DUNE-FEM (unstable)

refinedp1.hh
1// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2// vi: set et ts=4 sw=2 sts=2:
3// SPDX-FileCopyrightInfo: Copyright © DUNE Project contributors, see file LICENSE.md in module root
4// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception
5#ifndef DUNE_LOCALFUNCTIONS_REFINED_REFINEDP1_HH
6#define DUNE_LOCALFUNCTIONS_REFINED_REFINEDP1_HH
7
9
10#include <dune/localfunctions/common/localfiniteelementtraits.hh>
11#include <dune/localfunctions/lagrange/p0.hh>
12
13#include <dune/localfunctions/lagrange/lagrangesimplex.hh>
15
16namespace Dune
17{
18
27 template<class D, class R, int dim>
29 {
30 public:
34 Impl::LagrangeSimplexLocalCoefficients<dim,2>,
35 Impl::LagrangeSimplexLocalInterpolation<Impl::LagrangeSimplexLocalBasis<D,R,dim,2> > > Traits;
36
40 {}
41
44 const typename Traits::LocalBasisType& localBasis () const
45 {
46 return basis_;
47 }
48
52 {
53 return coefficients_;
54 }
55
59 {
60 return interpolation_;
61 }
62
64 unsigned int size () const
65 {
66 return basis_.size();
67 }
68
71 static constexpr GeometryType type ()
72 {
73 return GeometryTypes::simplex(dim);
74 }
75
76 private:
77 RefinedP1LocalBasis<D,R,dim> basis_;
78 Impl::LagrangeSimplexLocalCoefficients<dim,2> coefficients_;
79 // Yes, the template argument here really is LagrangeSimplexLocalBasis, even though this is not
80 // the local basis of the refined locale finite element: The reason is that LagrangeSimplexLocalInterpolation
81 // uses this argument to determine the polynomial order, and RefinedP1LocalBasis returns order 1
82 // whereas order 2 is needed here.
83 Impl::LagrangeSimplexLocalInterpolation<Impl::LagrangeSimplexLocalBasis<D,R,dim,2> > interpolation_;
84 };
85
86}
87
88#endif // DUNE_LOCALFUNCTIONS_REFINED_REFINEDP1_HH
Unique label for each type of entities that can occur in DUNE grids.
Definition: type.hh:114
Piecewise linear continuous Lagrange functions on a uniformly refined simplex element.
Definition: refinedp1.hh:29
static constexpr GeometryType type()
The element type that this finite element is defined on.
Definition: refinedp1.hh:71
unsigned int size() const
Number of shape functions of this finite element.
Definition: refinedp1.hh:64
RefinedP1LocalFiniteElement()
Default constructor.
Definition: refinedp1.hh:39
const Traits::LocalInterpolationType & localInterpolation() const
Evaluates all degrees of freedom for a given function.
Definition: refinedp1.hh:58
LocalFiniteElementTraits< RefinedP1LocalBasis< D, R, dim >, Impl::LagrangeSimplexLocalCoefficients< dim, 2 >, Impl::LagrangeSimplexLocalInterpolation< Impl::LagrangeSimplexLocalBasis< D, R, dim, 2 > > > Traits
Export all types used by this implementation.
Definition: refinedp1.hh:35
const Traits::LocalCoefficientsType & localCoefficients() const
Produces the assignments of the degrees of freedom to the element subentities.
Definition: refinedp1.hh:51
const Traits::LocalBasisType & localBasis() const
The set of shape functions.
Definition: refinedp1.hh:44
constexpr GeometryType simplex(unsigned int dim)
Returns a GeometryType representing a simplex of dimension dim.
Definition: type.hh:453
Dune namespace.
Definition: alignedallocator.hh:13
Linear Lagrange shape functions on a uniformly refined reference element.
traits helper struct
Definition: localfiniteelementtraits.hh:13
LB LocalBasisType
Definition: localfiniteelementtraits.hh:16
LC LocalCoefficientsType
Definition: localfiniteelementtraits.hh:20
LI LocalInterpolationType
Definition: localfiniteelementtraits.hh:24
A unique label for each type of element that can occur in a grid.
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