mod_extrapolate_cell_to_point_neumann Module Reference

Extrapolate from a field known on cells (i,j,k) towards a point with a given neumann condition (ie. the derivative of the function at the destination point). More...

Functions/Subroutines
double precision function	extrapolate_cell_to_point_neumann (field, scheme, ext_step, i, j, k, axis, derivative_value)
	Extrapolate from the cell (i,j,k) the field along the axis with a constraining Neumann condition. Hence, the result derivative is given at the 0th point of the scheme.

Detailed Description

Extrapolate from a field known on cells (i,j,k) towards a point with a given neumann condition (ie. the derivative of the function at the destination point).

See also

Extrapolation

Function/Subroutine Documentation

extrapolate_cell_to_point_neumann()

double precision function mod_extrapolate_cell_to_point_neumann::extrapolate_cell_to_point_neumann	(	double precision, dimension(:,:,:), intent(in)	field,
		class(t_ext_neumann_scheme), intent(inout)	scheme,
		double precision, intent(in)	ext_step,
		integer, intent(in)	i,
		integer, intent(in)	j,
		integer, intent(in)	k,
		integer, intent(in)	axis,
		double precision, intent(in)	derivative_value )

Extrapolate from the cell (i,j,k) the field along the axis with a constraining Neumann condition. Hence, the result derivative is given at the 0th point of the scheme.

See also

Extrapolation for more details on how it is working.

Parameters

	field	The field defined on the cells
[in,out]	scheme	the finite difference scheme (forward or backward)
[in]	ext_step	the distance to which extrapolate
[in]	i,j,k	The index of the cell
[in]	axis	The axis (direction) {1,2,3} for {u,v,w}
[in]	derivative_value	The value of the derivative at the extrapolation point

Returns

The extrapolation of field from the cell i,j,k along the given axis to the point indicated by its distance to the cell with the given Neumann condition.