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| Reliability Analysis Theory and Algorithm of Redundant Truss Structures |
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| DOI：10.7511/jslx19924061 |
| KeyWord:branch-and-bound method, network analysis, reliability, significant failure modes, convergence |
| Dong Cong Yang Qingxiong |
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| Abstract: |
| In this paper, the overall critical strength branch-and-bound criterion and corresponding algorithm for enumerating significant failure modes of a large scale structure is suggested by combing stage critical strength branch-and-bound criterion with network analysis method. In the case of one-order and multi-order searching depth, event of losing significant failure modes is impossible in this method, about which a theoretic proof is provided. The feasibility and validity of this method for enumerating significant failure modes and valuating the total failure probability of truss structures is also demonstrated by practical computations and analyses of some classical structures. |
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