研究具有非线性刚度转子系统的主共振特性。
Main resonance characteristics of a rotating system with nonlinear stiffness was studied.
采用非线性刚度为主的隔振系统，确定了最佳频率比。
The nonlinear stiffness of the insulating system and the best frequency ratio are put forth.
最后，分析了线性和非线性刚度系数对颤振响应拓扑结构的影响。
Finally, the influences of the linear and non-linear stiffness coefficients on the topological structure of flutter responses were analyzed.
根据优化的结构进行了橡胶悬置的非线性刚度设计以及结构设计。
Carry on the misalignment rigidity design and the structural design for rubber mounting parts according to the optimized structure.
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 model is constructed by a nonlinear combination of dynamic nonlinear stiffness and dynamic nonlinear complex damping mechanisms.
本文提出了一种具有非线性刚度的弹簧一质量模型，用于计算内燃机轴系的扭转—纵向耦合振动。
This paper presents a new mathematical model for calculating the coupled torsional-axial vibration with non-linear stiffness for a lumped spring-mass shaft system of internal combustion engine.
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。
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.
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 mathematic model of oil-gas spring nonlinear stiffness and damping characteristic of a construction truck is created and introduced into the vehicle model.
利用杆件截面的弯矩—曲率关系，可以直接由弹性杆件的转角—位移方程建立单元的非线性刚度矩阵。
By using the moment-curvature relationships of the member section, the inelastic element stiffness matrix is derived directly from the slope-deflection equation of clastic member.
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。
Wind Loads nonlinear static instability theory, derived for calculating the nonlinear stiffness matrix, and the development of long-span Bridges in the nonlinear static.
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。
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.
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。
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.
基于磁流变减振器的汽车悬架系统具有明显的滞后非线性，系统中的非线性阻尼和非线性刚度等对其动力学行为产生了很大的影响。
The automotive suspension system based on magnetic-rheology absorber has obvious lag non-linear, the non-linear damp and non-linear rigidity etc in the system have great effect on dynamics.
并从袋鼠腿部的生物构造，引入了非线性刚度表达的柔性关节，通过与线性关节模型对比，探讨了踝关节非线性对其关节力矩和起跳性能的影响。
Curves that each joint angle, joint moment and nonlinear twist spring's torque with the time in the process are obtained using Matlab, and discussed contrast to linear joint.
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；
This paper analyzes the nonlinear deformational process of the envelop structure and the cause of stiffness matrix singularity in details.
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。
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.
以此为理论基础，开发出了简明实用的双横臂扭杆悬架系统刚度和阻尼参数非线性分析与设计软件。
Based on the above study, a useful software for analyzing and designing the rigidity and damping parameters of the suspension system is developed.
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 function of the nonlinear suspension stiffness with tire skipping distance was obtained by virtual displacement theory.
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。
The nonlinear damping and stiffness of a ship motion result in the coupling 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 nonlinear damping and stiffness of a ship motion in the seas result in the coupling motion between rolling and pitch in big amplitude.
同时，本文还考虑了结构刚度非线性对颤振速度的影响。
The effect of nonlinear structural stiffness on flutter velocity was considered, too.
按线性基础计算的动力响应大于非线性基础的响应，因此采用等效线性基础刚度计算动力响应是可行的。
The dynamic response of linear simulation is greater than that of non-linear simulation , so the dynamic response could be determined based on equivalent linear foundation stiffness.
列式法求解切线刚度矩阵来考虑几何非线性。
For geometrical nonlinearity, Updated Lagrangian formulations are adopted to derive the tangent stiffness matrix.
本文分析了不可压气流中带有非线性俯仰刚度二元机翼的分叉问题。
Bifurcations of airfoils with nonlinear pitching stiffness in incompressible flow are investigated.
通过建立钢板弹簧的曲梁模型，应用虚力原理求解位移，得到了变截面钢板弹簧刚度的几何非线性特性。
A nonlinear characteristic of taper leaf springs is presented by using the model of curved beam and the principle of virtual force.
利用变分原理，推导了两节点二维曲梁单元几何非线性的单元切线刚度矩阵。
From the variation principle, an analytical solution of the tangential stiffness matrices with nonlinear effects geometrically, for two-nodal two-dimension curved beam element, has been derived.
研究了在不可压缩流中具有立方非线性俯仰刚度的二元机翼的颤振问题。
This paper studies the flutter of a two-dimensional airfoil in the incompressible flow with cubic non-linearity in the plunging direction.
研究了在不可压缩流中具有立方非线性俯仰刚度的二元机翼的颤振问题。
This paper studies the flutter of a two-dimensional airfoil in the incompressible flow with cubic non-linearity in the plunging direction.
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