Dune Core Modules (2.8.0)

brezzidouglasmarini1cube3dlocalinterpolation.hh
1// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2// vi: set et ts=4 sw=2 sts=2:
3#ifndef DUNE_LOCALFUNCTIONS_BREZZIDOUGLASMARINI1_CUBE3D_LOCALINTERPOLATION_HH
4#define DUNE_LOCALFUNCTIONS_BREZZIDOUGLASMARINI1_CUBE3D_LOCALINTERPOLATION_HH
5
6#include <vector>
7
9
10namespace Dune
11{
12
22 template<class LB>
24 {
25
26 public:
29 {
30 sign0 = sign1 = sign2 = sign3 = sign4 = sign5 = 1.0;
31 }
32
39 {
40 sign0 = sign1 = sign2 = sign3 = sign4 = sign5 = 1.0;
41 if (s & 1)
42 {
43 sign0 = -1.0;
44 }
45 if (s & 2)
46 {
47 sign1 = -1.0;
48 }
49 if (s & 4)
50 {
51 sign2 = -1.0;
52 }
53 if (s & 8)
54 {
55 sign3 = -1.0;
56 }
57 if (s & 16)
58 {
59 sign4 = -1.0;
60 }
61 if (s & 32)
62 {
63 sign5 = -1.0;
64 }
65
66 n0[0] = -1.0;
67 n0[1] = 0.0;
68 n0[2] = 0.0;
69 n1[0] = 1.0;
70 n1[1] = 0.0;
71 n1[2] = 0.0;
72 n2[0] = 0.0;
73 n2[1] = -1.0;
74 n2[2] = 0.0;
75 n3[0] = 0.0;
76 n3[1] = 1.0;
77 n3[2] = 0.0;
78 n4[0] = 0.0;
79 n4[1] = 0.0;
80 n4[2] = -1.0;
81 n5[0] = 0.0;
82 n5[1] = 0.0;
83 n5[2] = 1.0;
84 }
85
94 template<typename F, typename C>
95 void interpolate(const F& f, std::vector<C>& out) const
96 {
97 // f gives v*outer normal at a point on the edge!
98 typedef typename LB::Traits::RangeFieldType Scalar;
99 //typedef typename LB::Traits::DomainFieldType Vector;
100
101 DUNE_THROW( NotImplemented, "Interpolation for BDM1Cube3D finite elements is not implemented." );
102
103 out.resize(18);
104 fill(out.begin(), out.end(), 0.0);
105
106 const int qOrder = 4;
108
109 for (typename QuadratureRule<Scalar,1>::const_iterator it = rule.begin();
110 it != rule.end(); ++it)
111 {
112 // TODO: write interpolation
113 }
114 }
115
116 private:
117 typename LB::Traits::RangeFieldType sign0, sign1, sign2, sign3, sign4, sign5;
118 typename LB::Traits::DomainType n0, n1, n2, n3, n4, n5;
119 };
120} // end namespace Dune
121#endif // DUNE_LOCALFUNCTIONS_BREZZIDOUGLASMARINI1_CUBE3D_LOCALINTERPOLATION_HH
First order Brezzi-Douglas-Marini shape functions on the reference hexahedron.
Definition: brezzidouglasmarini1cube3dlocalinterpolation.hh:24
BDM1Cube3DLocalInterpolation()
Standard constructor.
Definition: brezzidouglasmarini1cube3dlocalinterpolation.hh:28
void interpolate(const F &f, std::vector< C > &out) const
Interpolate a given function with shape functions.
Definition: brezzidouglasmarini1cube3dlocalinterpolation.hh:95
BDM1Cube3DLocalInterpolation(unsigned int s)
Make set number s, where 0 <= s < 64.
Definition: brezzidouglasmarini1cube3dlocalinterpolation.hh:38
Default exception for dummy implementations.
Definition: exceptions.hh:261
Abstract base class for quadrature rules.
Definition: quadraturerules.hh:152
static const QuadratureRule & rule(const GeometryType &t, int p, QuadratureType::Enum qt=QuadratureType::GaussLegendre)
select the appropriate QuadratureRule for GeometryType t and order p
Definition: quadraturerules.hh:280
#define DUNE_THROW(E, m)
Definition: exceptions.hh:216
constexpr GeometryType cube(unsigned int dim)
Returns a GeometryType representing a hypercube of dimension dim.
Definition: type.hh:470
typename Overloads::ScalarType< std::decay_t< V > >::type Scalar
Element type of some SIMD type.
Definition: interface.hh:233
Dune namespace.
Definition: alignedallocator.hh:11
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