The ρ-family of algorithms for time-step integration with improved numerical dissipation
✍ Scribed by G. Bazzi; E. Anderheggen
- Book ID
- 112084122
- Publisher
- John Wiley and Sons
- Year
- 1982
- Tongue
- English
- Weight
- 719 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0098-8847
No coin nor oath required. For personal study only.
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## Abstract To damp out spurious high‐frequency responses, time‐step integration algorithms for structural dynamic analysis should have controllable numerical dissipation in the high‐frequency regime. The algorithms should also be unconditionally stable so that the time‐step size is governed by the
When studying crashworthiness problems, contact simulation can be the source of a number of problems. A first one is the discontinuities in the normal evolution for a boundary discretized by finite elements. Another problem is the treatment of the contact forces that can introduce numerical energy i