| Matrix or Vector | Shape Functions | Integration Points |
|---|---|---|
| Stiffness, Mass, and Stress Stiffness Matrices; and Thermal Load Vector | Equation 11–187, Equation 11–188, and Equation 11–189 | 4 |
| Pressure Load Vector | Equation 11–187, Equation 11–188, and Equation 11–189 specialized to the face | 6 |
| Load Type | Distribution |
|---|---|
| Element Temperature | Same as shape functions |
| Nodal Temperature | Same as shape functions |
| Pressure | Linear over each face |
Reference: Zienkiewicz([40])
Structures describes the derivation of structural element matrices and load vectors as well as stress evaluations. General Element Formulations gives the general element formulations used by this element.