Vibration problems using isoparametric shell elements
β Scribed by L. D. Hofmeister; D. A. Evensen
- Publisher
- John Wiley and Sons
- Year
- 1972
- Tongue
- English
- Weight
- 287 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0029-5981
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## Abstract We study the accuracy and reliability of the lowestβorder bilinear shell finite element schemes. Our approach is based mainly on a simplified shallow shell model analogous to the ReissnerβMindlin model of plate bending. The numerical models are constructed by modifying the strain expres
The paper demonstrates that the standard technique for explicitly integrating the isoparametric degeneratecontinuum arch element destroys the strain-free rigid-body rotation. It is also shown that this difficulty can be overcome with the aid of Irons's 'isoparametric shell theory'. Although the deve