Theory Reference | Chapter 14. Element Library |
14.88. VISCO88 - 2-D 8-Node Viscoelastic Solid
| Matrix or Vector | Geometry | Shape Functions | Integration Points |
|---|---|---|---|
| Stiffness, Mass, and Stress Stiffness Matrices; and Thermal and Newton-Raphson Load Vector | Quad | (Equation 12–114) and (Equation 12–115) | 2 x 2 |
| Triangle | (Equation 12–93) and (Equation 12–94) | 3 | |
| Pressure Load Vector | Same as stiffness matrix, specialized to the face | 2 along face | |
| Load Type | Distribution |
|---|---|
| Element Temperature | Same as shape functions across element, constant thru thickness or around circumference |
| Nodal Temperature | Same as element temperature distribution |
| Pressure | Linear along each face |
References: Zienkiewicz(39), Markovsky et al.(108), Scherer and Rekhson(109), Narayanaswamy(110), Zienkiewicz et al.(111), Taylor et al.(112)
14.88.1. Other Applicable Sections
Viscoelasticity describes the basic theory regarding viscoelasticity.