本文提出一种将结构在随机激励下某些点(自由度)上的均方响应作为约束的动力学设计方法。
This paper presents a dynamic design method in which the mean square responses for certain points on the structure under random excitation are regarded as constraints.
考虑地震作用和结构参数的随机性，建立了钢筋砼结构药非线性随机动力学模型。
A nonlinear random dynamic mode with stochastic variations of seismic action and structural parameters is constructed.
本文讨论了材料退化失效的基本概念，给出了微观结构随机演化的动力学方程，统一导出了失效几率，可靠性、失效几率密度、失效率和平均寿命。
Some key concepts in degradated failure of materials is discussed. The stochastic evolution equation of defect clusters is given and the failure probability reliability and failure rate are derived.
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