Matrix or Vector | Shape Functions | Integration Points |
---|---|---|

Stiffness, Mass, and Stress Stiffness Matrices; and Thermal Load Vector | Equation 11–184, Equation 11–185, and Equation 11–186 | 4 |

Pressure Load Vector | Equation 11–184, Equation 11–185, and Equation 11–186 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([39])

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.