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

Stiffness and Stress Stiffness Matrices |
Quad |
2 x 2 | |

Triangle |
1 | ||

Mass Matrix |
Quad |
Same as stiffness matrix |
2 x 2 |

Triangle |
1 | ||

Damping matrices |
Same as stiffness matrix | ||

Pressure and Temperature Load Vector |
Same as stiffness matrix, specialized to edge |
2 | |

Flow Load Vector |
Linear across each edge |
2 |

Load Type | Distribution |
---|---|

Element Temperature |
Bilinear across element, constant thru thickness or around circumference |

Nodal Temperature |
Same as element temperature distribution |

Surface Pressure Load |
Linear along each edge |

Flow and heat flux |
Linear along each edge |

General Element Formulations gives the general element formulations used by this element.