Contents Chapter 6: Element Topology - ELM* (Data Category 2) | 6.3. Element Topology Data Record | Print page 6.3.6. The PMAS ElementPoint mess element having internal mass with the center of mass coincident with a given node and specified values of second moments of mass inertia. The PMAS element generates mass forces only. « 6.3.5. The DISC Element 6.3.7. The PBOY Element »