Abstract
Finite element methods for dynamic analysis employing elements with drilling degrees of freedom are presented. The formulation is based on a variational principle in which displacements and rotations are interpolated independently. The issue of zero masses corresponding to rotational degrees of freedom is addressed and techniques for defining consistent and lumped rotational mass matrices are presented.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 3193-3210 |
| Number of pages | 18 |
| Journal | International Journal for Numerical Methods in Engineering |
| Volume | 38 |
| Issue number | 19 |
| DOIs | |
| State | Published - Oct 15 1995 |
| Externally published | Yes |
Keywords
- elastodynamics
- finite elements
- independent rotation fields
- rotational mass matrices
ASJC Scopus subject areas
- Numerical Analysis
- General Engineering
- Applied Mathematics