Matrix or Vector | Geometry | Shape Functions | Integration Points |
---|---|---|---|
Conductivity Matrix and Heat Generation Load Vector | Quad | Equation 11–130 | 2 x 2 |
Triangle | Equation 11–109 |
1 if planar | |
Specific Heat Matrix | Same as conductivity matrix. Matrix is diagonalized as described in Lumped Matrices. | Same as conductivity matrix | |
Convection Surface Matrix and Load Vector | Same as conductivity matrix evaluated at the face | 2 |
Heat Flow describes the derivation of the element matrices and load vectors as well as heat flux evaluations for a general thermal analysis element. Mass Transport is discussed in Mass Transport (Advection) and Mass Transport (Advection) in the Thermal Analysis Guide.