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

Conductivity Matrix and Heat Generation Load Vector | Quad | Equation 11–138 | 3 x 3 |

Triangle | Equation 11–117 | 6 | |

Specific Heat Matrix | Same as conductivity matrix. If KEYOPT(1) = 1, matrix is diagonalized as described in Lumped Matrices | Same as conductivity matrix | |

Convection Surface Matrix and Load Vector | Same as conductivity matrix, specialized to the face | 2 |

Heat Flow describes the derivation of the thermal element matrices and load vectors as well as heat flux evaluations. If KEYOPT(1) = 1, the specific heat matrix is diagonalized as described in Lumped Matrices.