Then, the dynamic response of stochastic structures is calculated by orthogonal expansion method.
然后，引用正交展开法分析了随机结构的地震响应。
The relations of different random response variables are analyzed and Monte Carlo simulations for viscoelastic stochastic structures are investigated.
尽管粘弹性本构关系具有时间相依性，其随机摄动格式并不存在“长期项”的影响。
For dynamic reliability analysis of stochastic structures under non-stationary random excitation, a new dynamic reliability assessment method is presented based on the point estimation.
针对随机结构在非平稳随机激励下的动力可靠性分析问题，提出了基于点估计法的随机结构动力可靠性分析方法。
The problem of second-order stochastic response analysis of steel braced frame structures in highrise buildings is researched in this paper.
本文研究高层建筑钢框架一支撑结构的二阶随机反应分析问题。
In this paper, a stochastic optimal control-method for coupled adjacent high-rise structures is proposed based on the stochastic dynamical programming principle and the stochastic averaging method.
本文基于随机动态规划原理与随机平均法，提出耦合相邻高耸结构的随机最优控制方法。
Stochastic dynamic responses of planar rigid-frame structures to quake loads are investigated by using the finite element approach.
本文利用有限元方法，分析了平面刚架结构对地震载荷的随机动力响应问题。
The study on mechanics behavior of stochastic damaged structures is significant in engineering.
研究随机损伤下结构的力学性能变化有重要的工程意义。
The uncertain factors affecting reliability of structures include not only stochastic uncertainty but also fuzzy one.
影响结构可靠性的因素除了具有随机性以外，往往还具有模糊性。
The problems of stationary random responses of stochastic rigid structures are studied.
文中研究了随机刚架结构的平稳随机响应问题。
The stochastic optimization method for skeletal structures with random parameters under random loads action is studied.
研究了随机杆系结构在随机荷载作用下的随机优化设计问题。
Based on the extended Kalman filter, an identification method on physical parameters of bridge structures subjected to stochastic loads is proposed.
基于广义卡尔曼滤波提出了随机荷载作用下桥梁结构物理参数的识别方法。
A method of calculating dynamic reliability of stochastic truss structures under stationary random excitation is discussed in this paper.
研究了随机桁架结构在平稳随机激励下的动力可靠度求解方法。
The dynamic stochastic finite element method, a new random numerical method, is developed for analyzing the stochastic dynamic response of structures with random parameters.
本文提出分析不确定性结构随机动力响应的一种新的数值方法——动态随机有限元法。
Numerical results illustrate the effectiveness and efficiency of the proposed stochastic optimal control method for coupled structures.
数值结果表明该耦合结构随机最优控制方法的有效性。
This paper investigates the flexibility of the equivalent stochastic linearization (ESL) method as a tool for reliability analyses of nonlinear hysteretic structures with random mechanical properties.
本文讨论了随机等价线性化方法(esl)作为一种对考虑力学参数随机性的非线性滞回结构进行可靠性分析的工具具有的灵活性。
Stochastic finite element method for random thermal creep stress in massive concrete structures is presented.
首次尝试将随机有限元法引入大体积混凝土结构随机温度徐变应力的计算。
Stochastic finite element method for random thermal creep stress in massive concrete structures is presented.
大体积混凝土结构的徐变应力受多种随机因素的影响。
The resistance of deteriorating structures is a non-stationary stochastic process.
对退化结构的时变可靠度，抗力必须表为随机过程。
Stochastic finite element method for random thermal creep stress in massive concrete structures is presented.
用有限元法进行钢筋混凝土结构徐变分析时，必须应用徐变应变增量方程。
A new random finite element method for solving repeated eigenvalues problems involving beams' structures with stochastic stiffness was proposed.
利用一种新的方法来研究具随机刚度梁结构的重特征值问题。
The problems of dynamic response of closed loop control system for stochastic intelligent truss structures under stationary random excitation were studied.
研究平稳随机激励下随机智能桁架结构的闭环动力响应问题。
In this paper, the component mode synthesis, combined with the perturbation and stochastic finite element, is used to study the random eigen problem of large and complicated structures.
采用子结构模态综合和摄动随机有限元相结合求解工程结构的随机特征问题。
The random vibration analysis of stochastic antenna structures under wind excitation is studied in this paper.
研究随机天线结构的风激随机振动响应问题。
The problems of stationary random response analysis of stochastic truss structures are studied in this paper.
研究了随机桁架结构的平稳随机响应问题。
When the stochastic seismic response of the structures is studied, lots of the earthquake records fit for the selected site are necessary to be used for initial data for structure model analysis.
在研究结构的随机地震反应时，要用大量的符合场地条件的地震记录作为输入数据。
This book presents a systematic introduction to the theory of parametric stability of structures under both deterministic and stochastic loadings.
同时根据这本书介绍确定性和随机性，以期结构参数稳定性理论系统地介绍负荷。
Regarding the boundary shape of elastic structures as random variables, stochastic equations and boundary conditions that govern eigenvalue problems are set up.
将平面连续弹性体的几何边界形状考虑为随机量，建立了描述这种连续体特征值问题的随机微分方程和边界条件。
Based on analysis of the field tests data, crushing ice forces on vertical structures are classified into three modes: quasi static ice force, steady state dynamic ice force and stochastic ice force.
根据原型结构实测数据的分析，本文把直立结构的挤压冰荷载分为三种不同的模式：准静态冰力、稳态交变冰力以及随机交变冰力。
In finite element and reliability analysis, the randomness of the structural physical parameters, geometry dimensions and the stochastic loads applied on structures are all considered.
在同时考虑结构物理参数、几何尺寸和作用荷载随机性的情况下，给出了结构有限元和基于可靠性的灵敏度分析方法。
In finite element and reliability analysis, the randomness of the structural physical parameters, geometry dimensions and the stochastic loads applied on structures are all considered.
在同时考虑结构物理参数、几何尺寸和作用荷载随机性的情况下，给出了结构有限元和基于可靠性的灵敏度分析方法。
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