| Matrix or Vector | Shape Functions | Integration Points |
|---|---|---|
| Stiffness and Stress Stiffness Matrices; and Thermal and Newton-Raphson Load Vectors | Equation 11–19, Equation 11–20, Equation 11–21 |
Along the length: 2 Across the section: 1 |
| Consistent Mass Matrix and Pressure | Same as stiffness matrix. |
Along the length: 3 Across the section: 1 |
| Load Type | Distribution |
|---|---|
| Temperature | Constant across cross-section, linear along length. |
| Pressure | Linear along length. Pressure is assumed to act along the element x axis. |