Main resonance characteristics of a rotating system with nonlinear stiffness was studied.
研究具有非线性刚度转子系统的主共振特性。
The nonlinear stiffness of the insulating system and the best frequency ratio are put forth.
采用非线性刚度为主的隔振系统，确定了最佳频率比。
We present a method of analyzing flutter characteristics of wing with nonlinear stiffness in supersonic flow.
提出了带结构刚度非线性的超音速弹翼的颤振分析方法。
Nonlinear stiffness characteristics of an air spring were analyzed (FEA) by a nonlinear finite element analysis package.
应用abaqu S非线性有限元分析软件，对空气弹簧进行有限元建模，计算其静态刚度特性。
It is found that it is possibly because of the nonlinear stiffness of leaf spring leading to the instabiity of ride comfort.
通过分析发现，很可能是钢板弹簧存在的非线性动刚度导致了其平顺性不稳定。
The model is constructed by a nonlinear combination of dynamic nonlinear stiffness and dynamic nonlinear complex damping mechanisms.
该模型用非线性刚度和非线性复合阻尼机理构造，模型中的参数由试验数据辨识。
The mathematic model of oil-gas spring nonlinear stiffness and damping characteristic of a construction truck is created and introduced into the vehicle model.
推导并建立了某工程车辆油气弹簧的非线性刚度和阻尼特性的数学模型，并将其导入到车辆模型中。
The methods of realization of nonlinear stiffness and applications of combined positive and negative stiffness in ultra-low frequency vibration isolation are analyzed.
分析了刚度非线性的实现方法及正负刚度并联技术在超低频垂直隔振系统中的应用。
Wind Loads nonlinear static instability theory, derived for calculating the nonlinear stiffness matrix, and the development of long-span Bridges in the nonlinear static.
风荷载作用下的非线性静力失稳理论，推导了适合计算的非线性刚度矩阵，并开发了大跨度桥梁的非线性静力。
The bifurcation behavior of the coupled nonlinear normal mode is associated with detuning parameter and mode amplitude, but not with the nonlinear stiffness of uncoupling spring.
耦合非线性模态的分叉既与调谐参数有关又与模态振幅有关，但与非耦合弹簧的非线性刚度无关。
Based on the dynamics of structure, this paper presented apratical method of two steps by double model for calculating the complexity shock-isolating system with nonlinear stiffness.
基于结构动力学理论，提出了一种用于分析计算复杂非线性隔冲减振系统的双模型两步计算法。
Composite bridge deck made from a variety of paving layer materials, due to the nonlinear stiffness characteristics, resulting in the force of composite bridge deck structure complex.
复合桥面铺装由多种材料分层铺筑而成，由于结构刚度的非线性特点，造成复合桥面铺装结构受力复杂。
This kind of element can make use of joint experiment data to build solid joint model and can include normal nonlinear stiffness and coupling between shear stiffness and normal pressure.
该单元能够利用现有的结合部实验数据建立实体模型，能够计及法向的非线性刚度和剪切刚度与法向面压的祸合关系。
By which linear and nonlinear frequency response function was estimated, and nonlinear stiffness coefficient and damping coefficient of the model were optimized by least square method in this paper.
利用该方法对非线性频响函数进行估计，并利用了最小二乘法对模型的非线性刚度系数和非线性阻尼系数进行了优化。
This paper analyzes the nonlinear deformational process of the envelop structure and the cause of stiffness matrix singularity in details.
本文详细地分析了囊体结构的非线性变形过程及刚度矩阵出现奇异的原因；
Method for computing the element restoring force, rather than the stiffness matrix, is the most important factor that determines the accuracy of a geometric nonlinear finite element problem.
几何非线性单元的精度主要决定于单元恢复力的计算方法，刚度矩阵对单元精度的影响很小。
The function of the nonlinear suspension stiffness with tire skipping distance was obtained by virtual displacement theory.
根据虚位移原理计算得到了扭杆弹簧双横臂悬架的非线性悬架刚度与车轮跳动的函数关系。
The nonlinear damping and stiffness of a ship motion result in the coupling between rolling and pitch in big amplitude.
舰船运动的阻尼和刚度非线性，导致舰船大幅运动时横摇和纵摇之间的耦合。
Nonlinear physical parameters of the docking mechanism-inertial, damping and stiffness matrices, are identified by direct parameter estimate(DPE)method with input-output data of the system.
采用直接参数识别方法（DPE）由系统的输入、输出数据识别空间对接机构的物理参数：惯量矩阵、阻尼矩阵和刚度系数矩阵。
To cut down great calculation of assembling and disassembling of stiffness matrix in the nonlinear procedure, the initial stress method is introduced to resolve the nonlinear equations.
使用初应力法对非线性方程组进行迭代计算，避免了组装和分解总体刚度矩阵的繁杂而庞大的运算。
Dynamic stiffness for lateral vibration of a viscoelastic floating pile in a nonlinear viscoelastic soil layer is investigated.
该文研究了非线性粘弹性土层中粘弹性悬浮桩侧向振动的动力刚度。
Considering the time varying meshing stiffness of gear pair, the nonlinear dynamic model of a geared rotor bearing system is established.
在考虑齿轮时变啮合刚度的情况下，建立了齿轮耦合的转子-轴承系统的非线性动力学模型。
In the methods of nonlinear analysis, along with the normal variable stiffness methods, the improved BFGS method is used.
非线性分析的方法，除采用一般的变刚度法之外，还采用了改进的BFGS法。
The nonlinear damping and stiffness of a ship motion in the seas result in the coupling motion between rolling and pitch in big amplitude.
船舶运动时的阻尼和刚度非线性，导致船舶大幅运动时横摇和纵摇之间的耦合。
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。
The paper deduces tangent stiffness matrix and set up geometrical nonlinear model of construction control calculation of the cable-stayed bridge.
推演了索单元的切线刚度矩阵，建立了斜拉桥施工控制计算的几何非线性模型。
The principle and method in utilizing the elastic secant stiffness in the reinforced concrete nonlinear hysteretic analysis were presented.
分析弹性割线刚度运用于钢筋混凝土非线性滞回分析的原理和方法。
Combined with element model with varied stiffness in different regions, nonlinear seismic response of shear wall with large or small opening holes was analyzed.
该模型可直接用于小开洞剪力墙的分析，结合分段变刚度单元，分析了大、小开洞剪力墙的非线性地震反应。
Combined with element model with varied stiffness in different regions, nonlinear seismic response of shear wall with large or small opening holes was analyzed.
该模型可直接用于小开洞剪力墙的分析，结合分段变刚度单元，分析了大、小开洞剪力墙的非线性地震反应。
应用推荐