PDEM-BASED STOCHASTIC RESPONSE AND RELIABILITY ANALYSIS OF STRUCTURES

摘要：

The present paper outlines the probability density evolution method (PDEM), which is capable of capturing probability density function of the responses or performance indices of nonlinear MDOF structural systems. The PDEM is rooted in the principle of preservation of probability. With elaborating the state space description and random event description of the principle, it is found that when we examine the problem completely from the random event description, a generalized density evolution equation can be established. Combining the deterministic dynamic analysis and evolution of densities, the generalized density evolution equation is numerically tractable. The PDEM can be applied and extended to stochastic dynamic response analysis of linear and nonlinear structures, dynamic reliability evaluation and structural system reliability evaluation, etc. The problems open are discussed.

关键词： Probability density evolution method (PDEM) nonlinear stochastic response dynamic reliability

作者: J. Li J. B. Chen

作者单位: School of Civil Engineering, Tongji University, Shanghai, China

会议类型: 国际会议

会议名称: 2007年土木工程结构创新与可持续发展国际会议(The International Symposium on Innovation & Sustainability of Structures in Civil Engineering)

会议地点: 上海

会议语种:英文

页码: 76-83

在线出版日期: 2007-11-28（万方平台首次上网日期，不代表论文的发表时间）