The equivalent mechanical model of the structural nonlinear vibration and control systems was studied in this paper.
研究了结构非线性振动及其控制系统的等效力学模型建立问题。对结构进行等效线性化处理；
In this paper, the structural nonlinear spatial static analysis method and its application in Quanzhou Post and Telecommunications Multipurpose Building are briefly introduced.
本文简要介绍了空间结构非线性静力分析方法及其在泉州邮电综合大楼工程中的应用。
In this dissertation, the shear lag effect for large span box-section beam structure and the structural nonlinear anti-seismic capability have been theoretically and experimentally investigated.
本论文主要针对大跨度箱形截面梁结构剪力滞效应和结构非线性抗震性能进行了较深入的理论分析和一定的试验对比研究。
This thesis deduces computational formulations of displacement sensitivity and stress sensitivity in structural shape optimization considering geometric nonlinear element.
推导了考虑几何非线性项的结构形状优化位移灵敏度和应力灵敏度计算列式。
The structural design of large-span latticed shell is controlled by global stability due to the geometric nonlinear property.
大跨网壳结构具有高度的几何非线性，结构设计一般由整体稳定性控制。
Structural behavior is evaluated from story drift ratios obtained through nonlinear time history analyses.
结构的性能由非线性时程分析所得到的结构的层间位移角来衡量。
Subset simulation is a general method for structural dynamic reliability computation, and it is especially efficient for small failure probability computation of nonlinear structure.
子集模拟法在计算结构动力可靠度时适用范围较广，针对非线性结构小失效概率的计算效率较高。
Based on the directly analytical method for structural damage identification, the nonlinear analytical method was presented.
本文在直接解析法的基础上，进一步提出结构损伤识别的非线性解析法。
The effect of nonlinear structural stiffness on flutter velocity was considered, too.
同时，本文还考虑了结构刚度非线性对颤振速度的影响。
Robust invariance switching control problem for a class of single-input nonlinear cascade systems with structural uncertainties was studied.
研究了一类具有结构不确定性的单输入非线性级联系统的鲁棒不变切换控制问题。
The key problems of finite element modeling and analysis of nonlinear structural dynamics for the whole firing course of towed howitzer are investigated.
研究牵引火炮全发射过程非线性结构动力学有限元建模和分析中的关键问题。
Extending it to iterative solution of structural optimization nonlinear criterion equations, complete automatization of iterative seeking solution for structural optimization can be implemented.
将其推广到结构优化非线性准则方程组的迭代求解，可实现结构优化迭代求解的完全自动化。
The structural analysis of inclined boom suspension bridge includes following two geometric nonlinear problems, the changing working structure form and the large flect.
倾斜吊杆悬索桥的结构分析包含“变作用形式”和大位移两个几何非线性问题。
There are three main methods by far, nonlinear finite element method, idealized structural unit method and progressive collapse analysis method.
目前，计算总纵极限弯矩的方法主要有三种，即非线性有限元法，理想结构单元法和逐步破坏分析法。
Different from the problem on static intensity, the relation between structural dynamic response and design variables is even more complex, and is high nonlinear.
与结构静态强度问题不同，结构动态响应与设计变量的关系更为复杂，是高度非线性的。
Whole mechanism being treated as a combination of six main parts, three dimensions nonlinear structural simulation is completed by means of dynamic explicit finite element code.
借助动态显式有限元方法，对该六个零件组成的机构整体进行了三维非线性结构数值模拟。
The on-line identification algorithm can identify the nonlinear restoring force and the changes in structural parameters in real time.
在线识别算法可以实时地识别出结构非线性回复力和结构参数的变化。
By inducing the measurements of recession degree, we have tested the asymmetry in quarterly real GDP data of China's economy, and showed that it is caused by the nonlinear structural model.
通过引进表示经济衰退的解释变量，我们检验了中国实际季度GD P序列当中存在的非对称性，说明这些非对称性主要是由模型的非线性结构形成的。
Making full use of the structural properties, the robust stability of a class of uncertain nonlinear switched systems is derived from the stability of every part of their nominal systems.
充分利用结构特点，通过标称系统各部分的稳定性获得一类不确定非线性切换系统的鲁棒稳定性。
The first-order second-moment method is fundamental in structural reliability analysis, its accuracy depends upon the nonlinear extent of performance functions around checking point.
一次二阶矩方法是结构可靠度分析的基本方法．一次二阶矩方法的计算精度依赖于验算点附近功能函数的非线性程度。
This paper is devoted to solving strength and stability problems of a built structure by using the finite element method and the increment method for the geometrical nonlinear structural problem.
本文用有限元素法和对于几何非线性结构问题的增量法求解组合结构强度与稳定性问题。
To investigate the hysteresis behavior of composite steel frame with PR connection-reinforced concrete infill wall structural systems, a nonlinear finite element program SRCWNP was developed.
为了系统研究半刚接钢框架-RC剪力墙结构的滞回性能，编制了非线性有限元程序SRCWNP。
This paper analyzes the parallelism of dynamic structural analyses with geometric nonlinearities, material nonlinearities and nonlinear boundary conditions.
对同时具有几何非线性、材料非线性和边界条件非线性的结构动力分析问题的并行性进行了讨论。
A nonlinear random dynamic mode with stochastic variations of seismic action and structural parameters is constructed.
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。
The constrained matrix equation problems have been widely used in many fields such as structural analysis, control theory, vibration theory, nonlinear programming and so on.
约束矩阵方程问题广泛地应用在结构分析、控制论、振动理论、非线性规划等许多领域，关于约束矩阵方程问题的研究有着重要的理论和应用价值。
This paper presents a nonlinear hydroelastic differential analysis method of wave-induced vertical motions and structural responses of ships.
本文给出了一个预报波浪诱导的船舶垂向运动和结构总体动响应的非线性时域水弹性力学微分分析法。
According to the structural feature of the floating gate, a nonlinear single - degree of harmonic oscillating model is set up.
根据浮体闸门的构造特征，建立了单自由度非线性振荡模型。
According to the structural feature of the floating gate, a nonlinear single - degree of harmonic oscillating model is set up.
根据浮体闸门的构造特征，建立了单自由度非线性振荡模型。
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