Q2Quadrangle3DFiniteElement Class Reference

#include <Q2Quadrangle3DFiniteElement.hpp>

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List of all members.

Public Types

enum  {
  numberOfDegreesOfFreedom = 9, numberOfVertexDegreesOfFreedom = 1, numberOfEdgeDegreesOfFreedom = 1, numberOfFaceDegreesOfFreedom = 1,
  numberOfVolumeDegreesOfFreedom = 0
}
enum  
typedef
QuadratureFormulaQ2Quadrangle3D 		QuadratureType
typedef TinyVector
< numberOfDegreesOfFreedom > 		ElementaryVector
typedef TinyMatrix
< numberOfDegreesOfFreedom,
numberOfDegreesOfFreedom > 		ElementaryMatrix

Public Member Functions

real_t W (const size_t &i, const TinyVector< 3, real_t > &x) const
real_t dxW (const size_t &i, const TinyVector< 3, real_t > &x) const
real_t dyW (const size_t &i, const TinyVector< 3, real_t > &x) const
real_t dzW (const size_t &i, const TinyVector< 3, real_t > &x) const
const TinyVector
< QuadratureType::numberOfQuadraturePoints,
TinyVector< 3, real_t > > & 		integrationVertices () const
 Q2Quadrangle3DFiniteElement ()
 ~Q2Quadrangle3DFiniteElement ()
const real_t & W (const size_t &i, const size_t &j) const
const real_t & dxW (const size_t &i, const size_t &j) const
const real_t & dyW (const size_t &i, const size_t &j) const
const real_t & dzW (const size_t &i, const size_t &j) const
void integrateWjWi (ElementaryMatrix &matElem, const ConformTransformation &T) const
void integrateDWjWi (ElementaryMatrix &matElem, const size_t &n, const ConformTransformation &T) const
void integrateWjDWi (ElementaryMatrix &matElem, const size_t &n, const ConformTransformation &T) const
void integrateDWjDWi (ElementaryMatrix &matElem, const size_t &n, const size_t &m, const ConformTransformation &T) const
void integrateWj (ElementaryVector &vectElem, const ConformTransformation &T, const TinyVector< numberOfQuadraturePoints, real_t > &f) const

Static Public Member Functions

static const TinyVector
< 3, real_t > & 		massCenter ()
static
Q2Quadrangle3DFiniteElement & 		instance ()
static void create ()
static void destroy ()

Protected Member Functions

real_t __W (const size_t &i, const size_t &j)
real_t __dxW (const size_t &i, const size_t &j)
real_t __dyW (const size_t &i, const size_t &j)
real_t __dzW (const size_t &i, const size_t &j)

Protected Attributes

TinyMatrix
< numberOfDegreesOfFreedom,
numberOfQuadraturePoints > 		__w
TinyMatrix
< numberOfDegreesOfFreedom,
numberOfQuadraturePoints > 		__dxw
TinyMatrix
< numberOfDegreesOfFreedom,
numberOfQuadraturePoints > 		__dyw
TinyMatrix
< numberOfDegreesOfFreedom,
numberOfQuadraturePoints > 		__dzw

Static Protected Attributes

static
Q2Quadrangle3DFiniteElement * 		__pInstance

Private Member Functions

real_t __w1 (const real_t &x) const
real_t __w2 (const real_t &x) const
real_t __w3 (const real_t &x) const
real_t __dw1 (const real_t &x) const
real_t __dw2 (const real_t &x) const
real_t __dw3 (const real_t &x) const

Static Private Attributes

static TinyVector< 3, real_t > __massCenter

Detailed Description

Definition at line 32 of file Q2Quadrangle3DFiniteElement.hpp.

Member Typedef Documentation

typedef QuadratureFormulaQ2Quadrangle3D LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::QuadratureType [inherited]

default quadrature type

Definition at line 46 of file LagrangianFiniteElement.hpp.

typedef TinyVector<numberOfDegreesOfFreedom> LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::ElementaryVector [inherited]

type of elementary vector

Definition at line 54 of file LagrangianFiniteElement.hpp.

typedef TinyMatrix<numberOfDegreesOfFreedom, numberOfDegreesOfFreedom> LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::ElementaryMatrix [inherited]

type of elementary matrix

Definition at line 59 of file LagrangianFiniteElement.hpp.

Member Enumeration Documentation

anonymous enum

Enumerator:
numberOfDegreesOfFreedom  DOF means Degrees of Freedom
numberOfVertexDegreesOfFreedom 
numberOfEdgeDegreesOfFreedom 
numberOfFaceDegreesOfFreedom 
numberOfVolumeDegreesOfFreedom 

Definition at line 71 of file Q2Quadrangle3DFiniteElement.hpp.

00071        {
00072     numberOfDegreesOfFreedom = 9, 
00073     numberOfVertexDegreesOfFreedom = 1,
00074     numberOfEdgeDegreesOfFreedom = 1,
00075     numberOfFaceDegreesOfFreedom = 1,
00076     numberOfVolumeDegreesOfFreedom = 0
00077   };

anonymous enum [inherited]

Definition at line 48 of file LagrangianFiniteElement.hpp.

00048        {
00049     numberOfQuadraturePoints = QuadratureType::numberOfQuadraturePoints
00050   };

Constructor & Destructor Documentation

Q2Quadrangle3DFiniteElement::Q2Quadrangle3DFiniteElement (  )  [inline]

Definition at line 137 of file Q2Quadrangle3DFiniteElement.hpp.

00138   {
00139     ;
00140   }

Q2Quadrangle3DFiniteElement::~Q2Quadrangle3DFiniteElement (  )  [inline]

Definition at line 142 of file Q2Quadrangle3DFiniteElement.hpp.

00143   {
00144     ;
00145   }

Member Function Documentation

real_t Q2Quadrangle3DFiniteElement::__w1 ( const real_t &  x  )  const [inline, private]

Definition at line 40 of file Q2Quadrangle3DFiniteElement.hpp.

Referenced by dxW(), dyW(), dzW(), and W().

00041   {
00042     return (x-1)*(2*x-1);
00043   }

real_t Q2Quadrangle3DFiniteElement::__w2 ( const real_t &  x  )  const [inline, private]

Definition at line 45 of file Q2Quadrangle3DFiniteElement.hpp.

Referenced by dxW(), dyW(), dzW(), and W().

00046   {
00047     return 4*x*(1-x);
00048   }

real_t Q2Quadrangle3DFiniteElement::__w3 ( const real_t &  x  )  const [inline, private]

Definition at line 50 of file Q2Quadrangle3DFiniteElement.hpp.

Referenced by dxW(), dyW(), dzW(), and W().

00051   {
00052     return x*(2*x-1);
00053   }

real_t Q2Quadrangle3DFiniteElement::__dw1 ( const real_t &  x  )  const [inline, private]

Definition at line 55 of file Q2Quadrangle3DFiniteElement.hpp.

Referenced by dxW(), and dyW().

00056   {
00057     return 4*x-3;
00058   }

real_t Q2Quadrangle3DFiniteElement::__dw2 ( const real_t &  x  )  const [inline, private]

Definition at line 60 of file Q2Quadrangle3DFiniteElement.hpp.

Referenced by dxW(), and dyW().

00061   {
00062     return 4-8*x;
00063   }

real_t Q2Quadrangle3DFiniteElement::__dw3 ( const real_t &  x  )  const [inline, private]

Definition at line 65 of file Q2Quadrangle3DFiniteElement.hpp.

Referenced by dxW(), and dyW().

00066   {
00067     return 4*x-1;
00068   }

static const TinyVector<3, real_t>& Q2Quadrangle3DFiniteElement::massCenter (  )  [inline, static]

returns the mass center of the reference element

Returns:
__massCenter

Definition at line 84 of file Q2Quadrangle3DFiniteElement.hpp.

References __massCenter.

00085   {
00086     return __massCenter;
00087   }

real_t Q2Quadrangle3DFiniteElement::W ( const size_t &  i,
const TinyVector< 3, real_t > &  x 
) const

Computes a hat function at a given point

Parameters:
i the hat function number
x the evaluation point
Returns:
$ w_i(\mathbf{x}) $

Definition at line 25 of file Q2Quadrangle3DFiniteElement.cpp.

References __w1(), __w2(), __w3(), and ErrorHandler::unexpected.

00026 {
00027   const real_t& x = X[0];
00028   const real_t& y = X[1];
00029 
00030   switch (i) {
00031     // Vertices basis functions 
00032   case 0: {
00033     return __w1(x)*__w1(y);
00034   }
00035   case 1: {
00036     return __w3(x)*__w1(y);
00037   }
00038   case 2: {
00039     return __w3(x)*__w3(y);
00040   }
00041   case 3: {
00042     return __w1(x)*__w3(y);
00043   }
00044     // Edges basis functions
00045   case 4: {
00046     return __w2(x)*__w1(y);
00047   }
00048   case 5: {
00049     return __w3(x)*__w2(y);
00050   }
00051   case 6: {
00052     return __w2(x)*__w3(y);
00053   }
00054   case 7: {
00055     return __w1(x)*__w2(y);
00056   }
00057   case 8: {
00058     return __w1(x)*__w1(y);
00059   }
00060     // Faces basis functions
00061   case 9: {
00062     return __w2(x)*__w2(y);
00063   }
00064   default: {
00065     throw ErrorHandler(__FILE__,__LINE__,
00066                        "unexpected basis function number",
00067                        ErrorHandler::unexpected);
00068     return 0.;
00069   }
00070   }
00071 }

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real_t Q2Quadrangle3DFiniteElement::dxW ( const size_t &  i,
const TinyVector< 3, real_t > &  x 
) const

Computes a hat function derivative at a given point

Parameters:
i the hat function number
x the evaluation point
Returns:
$ \partial_x w_i(\mathbf{x}) $

Definition at line 74 of file Q2Quadrangle3DFiniteElement.cpp.

References __dw1(), __dw2(), __dw3(), __w1(), __w2(), __w3(), and ErrorHandler::unexpected.

00075 {
00076   const real_t& x = X[0];
00077   const real_t& y = X[1];
00078 
00079   switch (i) {
00080     // Vertices basis functions 
00081   case 0: {
00082     return __dw1(x)*__w1(y);
00083   }
00084   case 1: {
00085     return __dw3(x)*__w1(y);
00086   }
00087   case 2: {
00088     return __dw3(x)*__w3(y);
00089   }
00090   case 3: {
00091     return __dw1(x)*__w3(y);
00092   }
00093     // Edges basis functions
00094   case 4: {
00095     return __dw2(x)*__w1(y);
00096   }
00097   case 5: {
00098     return __dw3(x)*__w2(y);
00099   }
00100   case 6: {
00101     return __dw2(x)*__w3(y);
00102   }
00103   case 7: {
00104     return __dw1(x)*__w2(y);
00105   }
00106     // Faces basis functions
00107   case 8: {
00108     return __dw2(x)*__w2(y);
00109   }
00110   default: {
00111     throw ErrorHandler(__FILE__,__LINE__,
00112                        "unexpected basis function number",
00113                        ErrorHandler::unexpected);
00114     return 0.;
00115   }
00116   }
00117 }

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real_t Q2Quadrangle3DFiniteElement::dyW ( const size_t &  i,
const TinyVector< 3, real_t > &  x 
) const

Computes a hat function derivative at a given point

Parameters:
i the hat function number
x the evaluation point
Returns:
$ \partial_y w_i(\mathbf{x}) $

Definition at line 120 of file Q2Quadrangle3DFiniteElement.cpp.

References __dw1(), __dw2(), __dw3(), __w1(), __w2(), __w3(), and ErrorHandler::unexpected.

00121 {
00122   const real_t& x = X[0];
00123   const real_t& y = X[1];
00124 
00125   switch (i) {
00126     // Vertices basis functions 
00127   case 0: {
00128     return __w1(x)*__dw1(y);
00129   }
00130   case 1: {
00131     return __w3(x)*__dw1(y);
00132   }
00133   case 2: {
00134     return __w3(x)*__dw3(y);
00135   }
00136   case 3: {
00137     return __w1(x)*__dw3(y);
00138   }
00139     // Edges basis functions
00140   case 4: {
00141     return __w2(x)*__dw1(y);
00142   }
00143   case 5: {
00144     return __w3(x)*__dw2(y);
00145   }
00146   case 6: {
00147     return __w2(x)*__dw3(y);
00148   }
00149   case 7: {
00150     return __w1(x)*__dw2(y);
00151   }
00152     // Faces basis functions
00153   case 8: {
00154     return __w2(x)*__dw2(y);
00155   }
00156   default: {
00157     throw ErrorHandler(__FILE__,__LINE__,
00158                        "unexpected basis function number",
00159                        ErrorHandler::unexpected);
00160     return 0.;
00161   }
00162   }
00163 }

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real_t Q2Quadrangle3DFiniteElement::dzW ( const size_t &  i,
const TinyVector< 3, real_t > &  x 
) const

Computes a hat function derivative at a given point

Parameters:
i the hat function number
x the evaluation point
Returns:
$ \partial_z w_i(\mathbf{x}) $

Definition at line 166 of file Q2Quadrangle3DFiniteElement.cpp.

References __w1(), __w2(), __w3(), and ErrorHandler::unexpected.

00167 {
00168   const real_t& x = X[0];
00169   const real_t& y = X[1];
00170 
00171   switch (i) {
00172     // Vertices basis functions 
00173   case 0: {
00174     return __w1(x)*__w1(y);
00175   }
00176   case 1: {
00177     return __w3(x)*__w1(y);
00178   }
00179   case 2: {
00180     return __w3(x)*__w3(y);
00181   }
00182   case 3: {
00183     return __w1(x)*__w3(y);
00184   }
00185     // Edges basis functions
00186   case 4: {
00187     return __w2(x)*__w1(y);
00188   }
00189   case 5: {
00190     return __w3(x)*__w2(y);
00191   }
00192   case 6: {
00193     return __w2(x)*__w3(y);
00194   }
00195   case 7: {
00196     return __w1(x)*__w2(y);
00197   }
00198     // Faces basis functions
00199   case 8: {
00200     return __w2(x)*__w2(y);
00201   }
00202   default: {
00203     throw ErrorHandler(__FILE__,__LINE__,
00204                        "unexpected basis function number",
00205                        ErrorHandler::unexpected);
00206     return 0.;
00207   }
00208   }
00209 }

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const TinyVector<QuadratureType::numberOfQuadraturePoints, TinyVector<3, real_t> >& Q2Quadrangle3DFiniteElement::integrationVertices (  )  const [inline]

Definition at line 132 of file Q2Quadrangle3DFiniteElement.hpp.

References StaticBase< QuadratureFormulaQ2Quadrangle3D >::instance(), and QuadratureFormulaQ2Quadrangle3D::vertices().

00133   {
00134     return QuadratureType::instance().vertices();
00135   }

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static Q2Quadrangle3DFiniteElement & StaticBase< Q2Quadrangle3DFiniteElement >::instance (  )  [inline, static, inherited]

Access to auto instanciated static;

Returns:
*__pInstance

Definition at line 46 of file StaticBase.hpp.

00047   {
00048     return *__pInstance;
00049   }

static void StaticBase< Q2Quadrangle3DFiniteElement >::create (  )  [inline, static, inherited]

Creates __pInstance in Embedding class.

Definition at line 55 of file StaticBase.hpp.

Referenced by ThreadStaticCenter::ThreadStaticCenter().

00056   {
00057     __pInstance = new EmbeddingClass();
00058   }

static void StaticBase< Q2Quadrangle3DFiniteElement >::destroy (  )  [inline, static, inherited]

Destroyes __autoInstanciated in Embedding class.

Definition at line 64 of file StaticBase.hpp.

Referenced by ThreadStaticCenter::~ThreadStaticCenter().

00065   {
00066     delete __pInstance;
00067   }

real_t LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::__W ( const size_t &  i,
const size_t &  j 
) [inline, protected, inherited]

Computes hat function value at quadrature point

Parameters:
i the hat function number
j the number of quadrature point
Returns:
the function value

Definition at line 81 of file LagrangianFiniteElement.hpp.

00082   {
00083     return self().W(i,self().integrationVertices()[j]);
00084   }

real_t LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::__dxW ( const size_t &  i,
const size_t &  j 
) [inline, protected, inherited]

Computes hat function derivative by x at quadrature point

Parameters:
i the hat function number
j the number of quadrature point
Returns:
the function's derivative value

Definition at line 94 of file LagrangianFiniteElement.hpp.

00095   {
00096     return self().dxW(i,self().integrationVertices()[j]);
00097   }

real_t LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::__dyW ( const size_t &  i,
const size_t &  j 
) [inline, protected, inherited]

Computes hat function derivative by y at quadrature point

Parameters:
i the hat function number
j the number of quadrature point
Returns:
the function's derivative value

Definition at line 107 of file LagrangianFiniteElement.hpp.

00108   {
00109     return self().dyW(i,self().integrationVertices()[j]);
00110   }

real_t LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::__dzW ( const size_t &  i,
const size_t &  j 
) [inline, protected, inherited]

Computes hat function derivative by z at quadrature point

Parameters:
i the hat function number
j the number of quadrature point
Returns:
the function's derivative value

Definition at line 120 of file LagrangianFiniteElement.hpp.

00121   {
00122     return self().dzW(i,self().integrationVertices()[j]);
00123   }

const real_t& LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::W ( const size_t &  i,
const size_t &  j 
) const [inline, inherited]

Read-only access to hat function value at a quadrature point

Parameters:
i the hat function number
j the number of quadrature point
Returns:
the function's value

Definition at line 147 of file LagrangianFiniteElement.hpp.

00148   {
00149     return __w(i,j);
00150   }

const real_t& LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::dxW ( const size_t &  i,
const size_t &  j 
) const [inline, inherited]

Read-only access to hat function's derivative by x value at a quadrature point

Parameters:
i the hat function number
j the number of quadrature point
Returns:
the function's value

Definition at line 161 of file LagrangianFiniteElement.hpp.

00162   {
00163     return __dxw(i,j);
00164   }

const real_t& LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::dyW ( const size_t &  i,
const size_t &  j 
) const [inline, inherited]

Read-only access to hat function's derivative by y value at a quadrature point

Parameters:
i the hat function number
j the number of quadrature point
Returns:
the function's value

Definition at line 175 of file LagrangianFiniteElement.hpp.

00176   {
00177     return __dyw(i,j);
00178   }

const real_t& LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::dzW ( const size_t &  i,
const size_t &  j 
) const [inline, inherited]

Read-only access to hat function's derivative by z value at a quadrature point

Parameters:
i the hat function number
j the number of quadrature point
Returns:
the function's value

Definition at line 189 of file LagrangianFiniteElement.hpp.

00190   {
00191     return __dzw(i,j);
00192   }

void LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::integrateWjWi ( ElementaryMatrix &  matElem,
const ConformTransformation &  T 
) const [inline, inherited]

Computes elementary matrix associated to $ \int w_j w_i $ on a given element using the associated conform transformation

Parameters:
matElem the elementary matrix
T the given transformation

Definition at line 203 of file LagrangianFiniteElement.hpp.

00205   {
00206     ElementaryMatrix tmp = 0;
00207 
00208     for (size_t k=0; k<numberOfQuadraturePoints; ++k) { // Loop on integration vertices
00209       for (size_t j=0; j<numberOfDegreesOfFreedom; ++j) {
00210         for (size_t i=0; i<=j; ++i) {
00211           tmp(i,j)
00212             += W(i,k) * W(j,k) * QuadratureType::instance().weight(k);
00213         }
00214       }
00215     }
00216 
00217     // for this operator, matElem is symetric.
00218     for (size_t j=0; j<numberOfDegreesOfFreedom; ++j)
00219       for (size_t i=j+1; i<numberOfDegreesOfFreedom; ++i)
00220         tmp(i,j) = tmp(j,i);
00221 
00222     matElem += tmp;
00223   }

void LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::integrateDWjWi ( ElementaryMatrix &  matElem,
const size_t &  n,
const ConformTransformation &  T 
) const [inline, inherited]

Computes elementary matrix associated to $ \int \partial_{x_n} w_j w_i $ on a given element using the associated conform transformation

Parameters:
matElem the elementary matrix
n the $ n $ in $ \partial_{x_n} $
T the given transformation

Definition at line 235 of file LagrangianFiniteElement.hpp.

00238   {
00239     ElementaryMatrix tmp = 0;
00240 
00241     for (size_t k=0; k<numberOfQuadraturePoints; ++k) { // Loop on integration vertices
00242       for (size_t j=0; j<numberOfDegreesOfFreedom; ++j) {
00243         const real_t fj
00244           = dxW(j,k)*T.invJacobian(0,n)
00245           + dyW(j,k)*T.invJacobian(1,n)
00246           + dzW(j,k)*T.invJacobian(2,n);
00247         for (size_t i=0; i<numberOfDegreesOfFreedom; ++i) {
00248           tmp(i,j)
00249             += fj * W(i,k)  * QuadratureType::instance().weight(k);
00250         }
00251       }
00252     }
00253     matElem += tmp;
00254   }

void LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::integrateWjDWi ( ElementaryMatrix &  matElem,
const size_t &  n,
const ConformTransformation &  T 
) const [inline, inherited]

Computes elementary matrix associated to $ \int w_j \partial_{x_n} w_i $ on a given element using the associated conform transformation

Parameters:
matElem the elementary matrix
n the $ n $ in $ \partial_{x_n} $
T the given transformation

Definition at line 266 of file LagrangianFiniteElement.hpp.

00269   {
00270     ElementaryMatrix tmp = 0;
00271 
00272     for (size_t k=0; k<numberOfQuadraturePoints; ++k) { // Loop on integration vertices
00273       for (size_t i=0; i<numberOfDegreesOfFreedom; ++i) {
00274         const real_t fi
00275           = dxW(i,k)*T.invJacobian(0,n)
00276           + dyW(i,k)*T.invJacobian(1,n)
00277           + dzW(i,k)*T.invJacobian(2,n);
00278         for (size_t j=0; j<numberOfDegreesOfFreedom; ++j) {
00279           tmp(i,j)
00280             += fi * W(j,k) * QuadratureType::instance().weight(k);
00281         }
00282       }
00283     }
00284     matElem += tmp;
00285   }

void LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::integrateDWjDWi ( ElementaryMatrix &  matElem,
const size_t &  n,
const size_t &  m,
const ConformTransformation &  T 
) const [inline, inherited]

Computes elementary matrix associated to $ \int \partial_{x_n} w_j \partial_{x_m} w_i $ on a given element using the associated conform transformation

Parameters:
matElem the elementary matrix
n the $ n $ in $ \partial_{x_n} $
m the $ m $ in $ \partial_{x_m} $
T the given transformation

Definition at line 298 of file LagrangianFiniteElement.hpp.

00302   {
00303     ElementaryMatrix tmp = 0;
00304 
00305     for (size_t k=0; k<numberOfQuadraturePoints; ++k) { // Loop on integration vertices
00306       for (size_t j=0; j<numberOfDegreesOfFreedom; ++j) {
00307         const real_t fj
00308           = dxW(j,k)*T.invJacobian(0,n)
00309           + dyW(j,k)*T.invJacobian(1,n)
00310           + dzW(j,k)*T.invJacobian(2,n);
00311         for (size_t i=0; i<numberOfDegreesOfFreedom; ++i) {
00312           tmp(i,j)
00313             += fj
00314             * (  dxW(i,k)*T.invJacobian(0,m)
00315                + dyW(i,k)*T.invJacobian(1,m)
00316                + dzW(i,k)*T.invJacobian(2,m) )
00317             * QuadratureType::instance().weight(k);
00318         }
00319       }
00320     }
00321 
00322     matElem += tmp;
00323   }

void LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::integrateWj ( ElementaryVector &  vectElem,
const ConformTransformation &  T,
const TinyVector< numberOfQuadraturePoints, real_t > &  f 
) const [inline, inherited]

Computes elementary vector associated to $ \int f w_i $ on a given element using the associated conform transformation

Parameters:
vectElem the elementary vector
T the given transformation
f $ f $ values at quadrature points

Definition at line 334 of file LagrangianFiniteElement.hpp.

00337   {
00338     vectElem = 0;
00339 
00340     for (size_t k=0; k<numberOfQuadraturePoints; ++k)
00341       for (size_t j=0; j<numberOfDegreesOfFreedom; ++j) {
00342         vectElem[j]
00343           += W(j,k)
00344           *  f[k]
00345           *  QuadratureType::instance().weight(k);
00346       }
00347   }

Member Data Documentation

TinyVector< 3, real_t > Q2Quadrangle3DFiniteElement::__massCenter [static, private]

mass center of the reference element

Definition at line 38 of file Q2Quadrangle3DFiniteElement.hpp.

Referenced by massCenter().

Q2Quadrangle3DFiniteElement * StaticBase< Q2Quadrangle3DFiniteElement >::__pInstance [static, protected, inherited]

The static variable

Definition at line 37 of file StaticBase.hpp.

TinyMatrix<numberOfDegreesOfFreedom,numberOfQuadraturePoints> LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::__w [protected, inherited]

hat function values at quadrature points

Definition at line 127 of file LagrangianFiniteElement.hpp.

TinyMatrix<numberOfDegreesOfFreedom,numberOfQuadraturePoints> LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::__dxw [protected, inherited]

hat function dx values at quadrature points

Definition at line 130 of file LagrangianFiniteElement.hpp.

TinyMatrix<numberOfDegreesOfFreedom,numberOfQuadraturePoints> LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::__dyw [protected, inherited]

hat function dy values at quadrature points

Definition at line 133 of file LagrangianFiniteElement.hpp.

TinyMatrix<numberOfDegreesOfFreedom,numberOfQuadraturePoints> LagrangianFiniteElement< numberOfDegreesOfFreedom, Q2Quadrangle3DFiniteElement , QuadratureFormulaQ2Quadrangle3D >::__dzw [protected, inherited]

hat function dz values at quadrature points

Definition at line 136 of file LagrangianFiniteElement.hpp.

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