oomph::TElement2BulkCoordinateDerivatives Namespace Reference

Functions
void	face0 (const Vector< double > &s, DenseMatrix< double > &dsbulk_dsface, unsigned &interior_direction)
	Function for the "left" face along which s0 is fixed. More...
void	face1 (const Vector< double > &s, DenseMatrix< double > &dsbulk_dsface, unsigned &interior_direction)
	Function for the "bottom" face along which s1 is fixed. More...
void	face2 (const Vector< double > &s, DenseMatrix< double > &dsbulk_dsface, unsigned &interior_direction)
	Function for the sloping face. More...

Detailed Description

Namespace for helper functions that calculate derivatives of the local coordinates in the bulk elements wrt the local coordinates in the face element.

Function Documentation

face0()

void oomph::TElement2BulkCoordinateDerivatives::face0	(	const Vector< double > &	s,
		DenseMatrix< double > &	dsbulk_dsface,
		unsigned &	interior_direction
	)

Function for the "left" face along which s0 is fixed.

    {
      // Bulk coordinate s[0] does not vary along the face
      dsbulk_dsface(0, 0) = 0.0;
      // Bulk coordinate s[1] is the face coordinate
      dsbulk_dsface(1, 0) = 1.0;
 
      // The interior direction is given by s[0]
      interior_direction = 0;
    }

Referenced by oomph::TElement< 2, NNODE_1D >::build_face_element().

face1()

void oomph::TElement2BulkCoordinateDerivatives::face1	(	const Vector< double > &	s,
		DenseMatrix< double > &	dsbulk_dsface,
		unsigned &	interior_direction
	)

Function for the "bottom" face along which s1 is fixed.

    {
      // Bulk coordinate s[0] is the face coordinate
      dsbulk_dsface(0, 0) = 1.0;
      // Bulk coordinate s[1] does not vary along the face
      dsbulk_dsface(1, 0) = 0.0;
 
      // The interior direction is given by s[1]
      interior_direction = 1;
    }

Referenced by oomph::TElement< 2, NNODE_1D >::build_face_element().

face2()

void oomph::TElement2BulkCoordinateDerivatives::face2	(	const Vector< double > &	s,
		DenseMatrix< double > &	dsbulk_dsface,
		unsigned &	interior_direction
	)

Function for the sloping face.

    {
      // Bulk coordinate s[0] decreases along the face
      dsbulk_dsface(0, 0) = -1.0;
      // Bulk coordinate s[1] increases along the face
      dsbulk_dsface(1, 0) = 1.0;
 
      // The interior direction is given by s[0] (or s[1])
      interior_direction = 0;
    }

Referenced by oomph::TElement< 2, NNODE_1D >::build_face_element().