quad Module Reference

Defines a quadrilateral element. More...

Data Types
type	quad_t
	Quadrilateral element. More...

Functions/Subroutines
subroutine	quad_init (this, id, p1, p2, p3, p4)
	Create a quadrilateral element based upon four points. More...
subroutine	quad_facet_id (this, t, side)
	Return the edge id for face i as a 2-tuple t. More...
subroutine	quad_facet_order (this, t, side)
	Return the ordered edge for face i as a 2-tuple t. More...
real(kind=dp) function	quad_diameter (this)
	Compute the diameter of a quadrilateral element. More...
type(point_t) function	quad_centroid (this)
	Compute the centroid of a quadrilateral element. More...
pure logical function	quad_equal (this, other)
	Check if two quad elements are equal. More...

Variables
integer, parameter, public	neko_quad_npts = 4
	Number of points. More...
integer, parameter, public	neko_quad_neds = 4
	Number of edges. More...
integer, parameter, public	neko_quad_gdim = 2
	Geometric dimension. More...
integer, dimension(2, 4), parameter	edge_nodes = reshape((/1,3, 2,4, 1,2, 3,4 /), (/2,4/))
	Edge node ids. More...

Detailed Description

Defines a quadrilateral element.

Function/Subroutine Documentation

quad_centroid()

type(point_t) function quad::quad_centroid ( class(quad_t), intent(in)  this )

private

Compute the centroid of a quadrilateral element.

Definition at line 167 of file quad.f90.

quad_diameter()

real(kind=dp) function quad::quad_diameter ( class(quad_t), intent(in)  this )

private

Compute the diameter of a quadrilateral element.

Definition at line 143 of file quad.f90.

quad_equal()

pure logical function quad::quad_equal ( class(quad_t), intent(in)  this, class(element_t), intent(in)  other  )

private

Check if two quad elements are equal.

Note

Based on coordinates not global ids

Definition at line 186 of file quad.f90.

quad_facet_id()

subroutine quad::quad_facet_id ( class(quad_t), intent(in)  this, class(tuple_t), intent(inout)  t, integer, intent(in)  side  )

private

Return the edge id for face i as a 2-tuple t.

Todo:

sort this

Definition at line 106 of file quad.f90.

quad_facet_order()

subroutine quad::quad_facet_order ( class(quad_t), intent(in)  this, class(tuple_t), intent(inout)  t, integer, intent(in)  side  )

private

Return the ordered edge for face i as a 2-tuple t.

Definition at line 126 of file quad.f90.

quad_init()

subroutine quad::quad_init ( class(quad_t), intent(inout)  this, integer, intent(inout)  id, type(point_t), intent(in), target  p1, type(point_t), intent(in), target  p2, type(point_t), intent(in), target  p3, type(point_t), intent(in), target  p4  )

private

Create a quadrilateral element based upon four points.

Definition at line 90 of file quad.f90.

Variable Documentation

edge_nodes

integer, dimension(2, 4), parameter quad::edge_nodes = reshape((/1,3, 2,4, 1,2, 3,4 /), (/2,4/))

Edge node ids.

 Edge numbering (similar to NEKTON symmetric notation)
          4
       +------+      ^ s
       |      |      |
     1 |      | 2    |
       |      |      |
       +------+      +-----> r
          3

Definition at line 81 of file quad.f90.

neko_quad_gdim

integer, parameter, public quad::neko_quad_gdim = 2

Geometric dimension.

Definition at line 44 of file quad.f90.

neko_quad_neds

integer, parameter, public quad::neko_quad_neds = 4

Number of edges.

Definition at line 43 of file quad.f90.

neko_quad_npts

integer, parameter, public quad::neko_quad_npts = 4

Number of points.

Definition at line 42 of file quad.f90.