The paper discusses random parameters response analysis and vibration analysis methods for random structures.
介绍了随机参数的类型,随机参数结构的响应分析及振动分析方法;
The random structures formed by packed bubbles, as seen in figure 1, are largely independent of bubble size and chemical composition.
图1中所示的塞满了的气泡形成的随机性结构很大程度上与气泡大小和化学成分是不相关的。
In this paper, a subsection linearization method is developed and used in analyzing the dynamic response of nonlinear random structures.
提出了分析非线性随机结构响应的一种分段线性化方法。
The direct modal perturbation based on selecting point by number-theoretic method is proposed to find the random response of un-damping linear random structures.
针对于多自由度线性复合随机结构的随机自振特性分析,提出了基于数论选点的直接模态摄动法。
By contrast, other ultralight substances, including aerogels and metallic foams, have random cellular structures.
相比之下,其它超轻型物质,包括气凝胶和金属泡沫材料,分子结构都比较随意。
In the next two articles, we'll explore the use of much more powerful and convenient data structures: ordered lists and random-access dictionaries.
在接下来两篇文章中,我们将探讨更强大、更方便的数据结构的应用:有序列表和随机访问字典。
The optimization design for antenna structures with random parameters and under random loads is investigated.
研究了具有随机参数天线结构基于概率的优化设计问题。
Based on discrete random vibration theory, recurrence formulas are developed to calculate the dynamic response of structures under white noise excitations.
基于随机振动的离散分析理论,推导出白噪声激励下结构动力响应的递推公式。
It may be that random collisions between atoms built up macromolecules that could reproduce themselves and assemble themselves into more complicated structures.
可能是原子之间的无序碰撞产生了大分子,这些大分子能复制自己并聚集成更加复杂的结构。
Vibration analysis and control of offshore structures in random floating-ice field.
随机浮冰场中海洋平台的振动分析与控制。
A discrete analysis. Method for random vibration of structures under the excitations correlated in time domain is discussed in this paper.
本文讨论动力系统在相关多激发作用下的随机振动离散分析方法。
Thus, the problem of estimating of the reliability of structures under a big class of nonstationary random loadings with slowly varying statistics can be simplified significantly.
这样,大大地简化了在一大类统计特性缓慢变化的非平稳随机载荷作用下的结构的寿命与可靠性估计问题。
Many engineering structures are subjected to random loading in service. The load cycle interactions can have a very significant effect in fatigue crack growth under variable amplitude loading.
许多工程结构在服役过程中受到随机载荷的作用,载荷循环之间的相互作用对裂纹扩展将产生明显的影响。
The problems of dynamic response analysis of closed loop control system based on probability for the random intelligent truss structures are studied.
针对随机压电智能桁架结构研究了基于概率的结构闭环控制系统动力响应分析模型与方法。
Due to the irreversibility of random hash mapping, current sketch data structures have to traverse the key address space to find frequent items.
由于随机哈希函数不可逆,目前的概要数据结构不得不遍历关键字地址空间以查找和估计频繁项集。
With random vibration theory the random vibration response analysis for gate structures are conducted.
应用随机振动理论进行闸门结构的随机振动响应分析。
Secondly, based on the analyses of random dynamic response of anti-wind structures, the structural reliabilities of safety and comfortability are studied contrastively.
其次,在结构抗风随机动力分析的基础上,本文研究了抗风结构基于安全性和舒适性的可靠度适用算法;
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 problems of dynamic response analysis of closed loop control system based on reliability for the intelligent truss structures with random parameters were studied in this paper.
针对随机参数压电智能桁架结构研究了基于概率的结构闭环控制系统动力响应分析模型与方法。
In this paper, the evolutionary random excitations acting on structures are assumed to be non uniformly modulated, i. e. the modulation functions depend both on time and frequency.
本文假定结构受到非均匀调制的演变随机激励,亦即其调制函数是时间与频率二者的函数。
The finite element analysis methods for plate-beam composite structures with random physical parameters under the random loads action are studied.
以随机物理参数板梁组合结构为对象,研究了其在随机力作用下的有限元分析方法。
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。
The analytical method in this paper is also suitable for other linear structures suffering various stationary random processes.
本文的分析方法对于处理其它弹性结构在其它平稳随机过程下的响应亦是适用的。
This paper presents a probabilistic boundary element method for analysis of structural responses to static loads, when the shape parameters of structures are considered as random variables.
讨论了当把结构的形状参数考虑为随机变量时,平面结构静响应统计特性分析的随机边界元法。
From the equation of three-dimensional vibration of structures, the methods of multi-dimensional random mode displacement and mode acceleration have been put forward.
从多维地震动输入下的结构三维振动方程出发,给出了结构多维随机振动的振型位移法和振型加速度法。
Wide band random vibration of structures is an interesting area in the theory of random vibration in which the number of responding modes is so large that some asymptotic behaviour may be observed.
结构的宽带随机振动理论是随机振动理论中一个引起兴趣的领域。这种随机振动模态数量很大,从而呈现简单的渐近趋向。
The random simulation of dynamic wind load for large-span structures is studied. Wind speed processes based on artificial neural networks are generated.
研究了大跨空间结构脉动风荷载的随机模拟技术,基于神经网络进行了风速时程的随机模拟。
The power spectral density function of earthquake motion is usually used for the random response analysis of engineering structures in the frequency domain.
工程结构的随机地震反应分析,常在频域中用到地震动的功率谱密度函数。
The random response computation of structures under multiple-support excitations is a problem of time consumption.
多点地震动作用下结构随机地震反应的计算十分耗费时问。
The random response computation of structures under multiple-support excitations is a problem of time consumption.
多点地震动作用下结构随机地震反应的计算十分耗费时问。
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