...概率密度演化方法；轨道高低不平顺；N维超立方体点集；功率谱[gap=1753]Key words: train-bridge system model; probability density evolution method; vertical track irregularity; N-dimensional hypercube point set; power spectrum..
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提出了随机荷载作用下随机结构线性静力反应的概率密度演化方法。
Probability density evolution method for the analysis of linear stochastic structural static response under random loading is proposed.
随机结构反应的概率密度演化方法能够给出随机荷载作用下随机结构反应的概率密度函数。
The probability density function of the stochastic structural response can be obtained by the probability density evolution method.
密度演化方法是一类直接获取随机结构动力反应概率密度函数及其演化过程的有效方法。
The probability density evolution equation (PDEE) of the stochastic structural response is then established by introducing augmented state vector.
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