| 随机有限元及其进展──Ⅱ．可靠度随机有限元和随机有限元的应用 |
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| 引用本文： | 秦权.随机有限元及其进展──Ⅱ．可靠度随机有限元和随机有限元的应用[J].工程力学,1995,12(1):1-9. |
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| 作者姓名： | 秦权 |
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| 作者单位： | 清华大学 |
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| 摘 要： | 本文为下篇，讨论了可靠度随机有限元的主要问题，如梯度计算，非弹性结构的问题及系统可靠度等，还给出了随机有限元程序的研制及应用。
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| 关 键 词： | 随机有限元，一阶可靠度，二阶可靠度，可靠度指标，结构系统可靠度，非线性 |
PROGRESS IN STOCHASTIC FINITE ELEMENT METHODS PART Ⅱ. RELIABILITY STOCHASTIC FINITE ELEMENTS AND APPLICATION OF STOCHASTIC FINITE ELEMENT METHODS |
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| Qin Quan.PROGRESS IN STOCHASTIC FINITE ELEMENT METHODS PART Ⅱ. RELIABILITY STOCHASTIC FINITE ELEMENTS AND APPLICATION OF STOCHASTIC FINITE ELEMENT METHODS[J].Engineering Mechanics,1995,12(1):1-9. |
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| Authors: | Qin Quan |
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| Affiliation: | Tsinghua University |
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| Abstract: | The results of structural reliability research are helpful to the reliability stochastic finite element. The S.F.E.M. based on FORM or SORM are able to solve problems of linear structures, and have been applied on a variety of structures. The applications show their powerful capacity to improve design codes, and to design more economic and safer structures. A number of S.F.E.M. codes have been developed. Research in the future is concentrated on the problems such as multiple design points, inelastic structures, system reliability, and improvement of computation of response gradients. Results of these researches will make S. F. E. M. more powerful. |
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| Keywords: | stochastic finite element FORM SORM structural reliability reliability index nonlinearity |
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