13.229. SHELL229 - 4-Node Coupled-Field Shell

Matrix or VectorShape FunctionsIntegration Points
Thermal and electrical conductivity Matrices; Heat Generation Load Vector Equation 11–77 and Equation 11–78
In-plane:

Full quadrilateral shape: 2 x 2
Degenerate triangular shape:
1 (KEYOPT(4) = 0)
3 (KEYOPT(4) = 2)

Through-the-thickness:

Always 1 per layer, irrespective of NUMPT in SECDATA

Specific Heat MatrixEquation 11–77. Matrix is diagonalized as described in Lumped MatricesSame as conductivity matrix
Surface loadsEquation 11–77 specialized to top and bottom faces and lateral edges
Face:

2 x 2

Edge:

2

The structural field follows SHELL181.