| Matrix or Vector | Shape Functions | Integration Points | 
|---|---|---|
| Conductivity Matrix and Heat Generation Load Vector | Equation 11–190 | Analytical | 
| Specific Heat Matrix | Same as conductivity matrix. If KEYOPT(1) = 1, the matrix is diagonalized as described in Lumped Matrices | Analytical | 
| Convection Surface Matrix and Load Vector | Equation 11–190 specialized to the face.  | 6 | 
Heat Flow describes the derivation of 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.