Namespace GooseFEM::Element::Quad4::Gauss#

namespace Gauss

Gauss quadrature: quadrature points such that integration is exact for this bi-linear element: 

 + ----------- +
 |             |
 |   3     2   |
 |             |
 |   0     1   |
 |             |
 + ----------- +

Functions

inline size_t nip()

Number of integration points: 

 nip = nne = 4

Returns

unsigned int

inline array_type::tensor<double, 2> xi()

Integration point coordinates (local coordinates).

Returns

Coordinates [nip, ndim], with ndim = 2.

inline array_type::tensor<double, 1> w()

Integration point weights.

Returns

Coordinates [nip].