Heat elements

3 node isoparametric triangle

flw2te(ex, ey, ep, D, [eq=[0.0]]) → Ke, fe

Computes the stiffness matrix and Ke and force vector fe for a three node isoparametric triangular heat transfer element with a heat source eq.

flw2ts(ex, ey, ep, D, ed) → es, et, points

Computes the heat flows es and the gradients et in the gauss points given by the integration rule for a three node isoparametric triangular heat transfer element.

Also returns the global coordinates points at the gauss points.

4 node isoparametric quadraterial

flw2i4e(ex, ey, ep, D, [eq=[0.0]]) → Ke, fe

Computes the stiffness matrix Ke and force vector fe for a four node isoparametric quadraterial heat transfer element with a heat source eq.

flw2i4s(ex, ey, ep, D, ed) → es, et, points

Computes the heat flows es and the gradients et in the gauss points given by the integration rule for a four node isoparametric quadraterial heat transfer element.

Also returns the global coordinates points at the gauss points.

8 node isoparametric quadraterial

flw2i8e(ex, ey, ep, D, [eq=[0.0]]) → Ke, fe

Computes the stiffness matrix Ke and force vector fe for an eight node isoparametric quadraterial heat transfer element with a heat source eq.

flw2i8s(ex, ey, ep, D, ed) → es, et, points

Computes the heat flows es and the gradients et in the gauss points given by the integration rule for an eight node isoparametric quadraterial heat transfer element.

Also returns the global coordinates points at the gauss points.

8 node isoparametric hexahdron

flw3i8e(ex, ey, ez, ep, D, [eq=[0.0]]) → Ke, fe

Computes the stiffness matrix Ke and force vector fe for an eight node isoparametric hexahedron heat transfer element with a heat source eq.

flw3i8s(ex, ey, ez, ep, D, ed) → es, et, points

Computes the heat flows es and the gradients et in the gauss points given by the integration rule for an eight node isoparametric hexahedron heat transfer element

Also returns the global coordinates points at the gauss points.