By means of impulsive response method to analyze random vibration of local nonlinear system, the effects of engine s vibration on vehicle body are presented in the paper.
本文采用局部非线性系统的脉冲响应分析方法,把整车分为线性主体和非线性局部,将车辆悬架的减振器视为非线性元件,以一个六自由度系统为整车模型,综合考虑发动机周期激励和道路不平度随机激励,借助数值计算技术分析和相应的计算机程序,从减小车架振动水平的角度,对发动机减振垫的减振作用以及发动机的转速对车架振动的影响进行分析,寻求其中的规律,以便对现代汽车的优良动力性能设计起到借鉴作用。
In the analysis of dynamic characteristics of space structures, the connecting elementsplay an important role in the overall dynamics of the structure, which often lead to the structureexhibits local nonlinearities.
基于这一结果与系统辨识问题最优控制解的概念，将动力学系统中局部非线性结构参数的辨识问题转化为求解对应线性系统的最优控制问题，利用线性系统随机最优控制的理论与方法，结合FSM（ForceStateMapping）方法，提出了识别动力学系统中局部非线性回复力类型及结构参数的新方法。
Consideration of the local nonlinear characteristic of large-scale complicated soil site simplifies the equivalent linear method to analyze the seismic response of the soil site.
假定土层计算区域为局部非线性,可简化等效线性化分析过程,通过数值试验给出了局部非线性区域的取值范围。
Direct time integrations are usually used to determine the response of systems with local nonlinearities, which are computationally expensive to predict the steady state response.
为了降低求解局部非线性结构稳态响应的计算量,基于子结构和阻抗缩聚提出了一种用于求解局部非线性结构稳态响应的计算方法。
Hence it can be applied to large-scale FE models with local nonlinearities.
这种方法适合于具有局部非线性的大型有限元模型的计算。
This paper deals with the initial-boundary value problems for a class of parabolic equations with nonlocalized nonlinear term subject to the Dirichlet bourdary Conditions.
本文研究一类含非局部非线性项的抛物方程具Ｄｉｒｉｃｈｌｅｔ边界条件的初边值问题，得到了解的局部估计及解在有限时间内的爆破性质。
Fourier Spectral Methods for a Class of Nonlocal, Nonlinear Dispersive Wave Equations
一类非局部非线性色散波方程的Fourier谱方法
Asymptotic Solution of Nonlocal Nonlinear Reaction Diffusion Robin Problems With Two Parameters
两参数非局部非线性反应扩散Robin问题的渐近解
Local Bifurcation Analysis of Nonlinear Local Rubbing Rotor;
非线性局部碰磨转子的局部分岔分析
Local linearization of finite-rank operator in global analysis
全局分析中非线性有限秩算子的局部线性化
STABILITY ANALYSIS OF LOCAL THINNED SHALLOW SPHERICAL ROOF OF STORAGE TANK
局部减薄储罐拱顶非线性稳定性分析
On Blow-up Properties of Solution for Nonlinear Heat Equation with Nonlocal Term;
带有非局部性的非线性热方程解的爆破性质
Nonlinear Stability Analysis on Partial Double-Layer Spherical Reticulated Shell;
局部双层球面网壳的非线性稳定分析
Local Hopf Bifurcation of Complex Nonlinear System with Time-Delay;
非线性复系数时滞系统的局部Hopf分岔
The Local Solutions of a Class of Nonlinear Wave Equations and Their Asymptotic Theory;
非线性波动方程的局部解及渐近理论
The Nonlocal Source Problem for a Certain Semilinear Parabolic Equation;
一类半线性抛物方程的非局部源问题
Symplectic analysis for two dimensional nonlocal linear elastic plane problems
二维非局部线弹性平面问题的辛分析
Nonlinear finite element analysis on the local thinned elbow
含局部减薄弯头的非线性有限元分析
A Nonlinear Diffusion Equation with Weighted Nonlocal Source;
一类具有加权非局部源的非线性扩散方程
Nonlinear Parabolic Equations with Weighted Nonlocal Sources;
具有加权非局部源的非线性抛物型方程
Nonlinear Degenerate Parabolic System with Weighted Non-local Source
具有加权非局部源的非线性退化抛物方程组
EXISTENCE FOR LOCAL SOLUTIONS OF CAUCHY PROBLEM OF SINGULAR NONLOCAL REACTION-DIFFUSION EQUATIONS;
奇异半线性非局部反应扩散方程Cauchy问题局部解的存在性
Semilocal Convergence of the Newton Method for Nonlinear Complementarity Problems
非线性互补问题牛顿法的半局部收敛性
Properties of the Solution to Semilinear Parabolic Equations;
两类非局部半线性抛物方程组解的性质