Abstract
A probabilistic finite element method (PFEM) is developed for accurate reliability analysis of complex cyclic symmetric structures. Based on the three-parameter reliability analytical method, the basic theory and calculation procedures of PFEM for cyclic symmetric structural dynamic problem are presented. The formulas for solving structural dynamic problems on three-dimensional PFEM are derived when the randomness occurs either in the material properties, geometric shapes, or a combination of them. The reliabilities of a cylindrical structure and a gear structure are evaluated by the approaches presented and compared with those obtained by Monte-Carlo method.
| Original language | English |
|---|---|
| Pages (from-to) | 29-33 |
| Number of pages | 5 |
| Journal | Jixie Gongcheng Xuebao/Journal of Mechanical Engineering |
| Volume | 38 |
| Issue number | 12 |
| DOIs | |
| State | Published - Dec 2002 |
Keywords
- Cyclic symmetric structures
- Finite element method
- Reliability
- Structural dynamics
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