| Stiffness and Stress Stiffness Matrices | Brick | Equation 11–236, Equation 11–237, and
Equation 11–238 | 14 |
| Wedge | Equation 11–211, Equation 11–212, and Equation 11–213 | 3 x 3 |
| Pyramid | Equation 11–195, Equation 11–196, and
Equation 11–197 | 2 x 2 x 2 |
| Tet | Equation 11–187, Equation 11–188, and Equation 11–189 | 4 |
| Mass Matrix | Same as stiffness matrix. | 3 x 3 x 3 if brick. If other shapes, same as stiffness matrix. |
| Pressure and Temperature Load Vector | Quad | Equation 11–82 and Equation 11–83 | 3 x 3 |
| Triangle | Equation 11–58 and Equation 11–59 | 6 |
| Flow Load Vector | Quad | Equation 11–82 and Equation 11–83 | 3 x 3 |
| Triangle | Equation 11–58 and Equation 11–59 | 6 |
| Damping Matrices | Same as stiffness matrix |
