1) simplification's imitate-linearity equal system
简化拟线性等效系统
2) equivalent nonlinear system
等效非线性系统
1.
The exact stationary solution for a general class of stochastically excited dissipative Hamiltonian systems is first obtained, based on which an equivalent nonlinear system method is then developed for similar but more general class of systems.
本文首先为一般的随机激励的耗散的哈密尔顿系统得到精确的平稳解,然后在此基础上为类似而更为一般的系统发展了等效非线性系统法。
2.
This paper presents a new method for the equivalent nonlinear system of flexible structures.
本文首先提出了把多自由度柔性结构隐式系统方程显式化的等效非线性系统建立方法,该方法结合模态分析,将系统几何非线性作用等效为模态坐标的高次多项式组合,把多自由度物理系统转化为容易求解的模态系统;在此基础上运用随机等效线性化技术建立柔性结构非线性随机振动响应分析方法。
3) equivalent nonlinear system method
等效非线性系统法
1.
By means of the equivalent nonlinear system method, the analytical solution of the joint probability density function of steady-state responses of Coulomb sliding friction rigid structures to vertical Gaussian white noises is derived.
运用等效非线性系统法推导了库伦摩擦刚性滑移结构在竖向高斯白噪声地面作用下响应的稳态合概率密 度函数的解析解。
2.
Based on the micro-amplitude vibration equation of friction pendulum systems FPS, the steady-state random responses of FPS to Gaussian white noise actions are forecasted by means of the equivalent nonlinear system method.
摩擦摆系统（ＦＰＳ）的微幅振动方程，运用等效非线性系统法预测了ＦＰＳ系统对高斯白噪声激励的稳态随机响应。
4) equivalent-simplification
等效简化
1.
Based on some mechanical principles, this paper presents a new method of equivalent-simplification the upper tower structure of offshore platform, that is 3-dimensional tower structure is replaced by beam -ele-ment.
基于某些力学原理,本文给出了一套等效简化平台上部塔架设施的新方法,即三维塔架结构用梁单元代替。
5) equivalent linear method
等效线性化
1.
Summarization on equivalent linear method of seismic responses for soil layers;
土层地震反应等效线性化方法综述
2.
It also researches equivalent linear method of bilinear mode under the acting of simple harmonic load and earthquake load.
文章还研究了双线型模型在简谐荷载和地震荷载作用下的等效线性化方法,同时提出了在地震作用下峰值等效的两点等效方法。
3.
This paper showed the theory background of equivalent linear methods considering frequency dependent soil properties and proposed a new method.
工程场地非线性地震反应分析中,等效线性化方法的原理相对简单、参数获取方便而得到广泛应用。
6) equivalent linearization method
等效线性化
1.
The equivalent linearization method is widely used in nonlinear dynamics, especially for qualitative analysis.
提出了一种改进的等效线性化方法。
补充资料：几乎可简化的线性系统
几乎可简化的线性系统
almost - reduciHe linear system
具有如F性质:存在个常系数系统t公“B夕.夕已R门、并且对姆一个。0，有月，仍.圈变换(LyaPUn(〕vt份I石for-ma加n)L￡(t)，使得经过变量替换x=L。(t)v后，系统(*)可变为系统 少=(B+C巡(t)乏、，，其中 }缪}IC!(‘)}}<标一个可简化的线性系统(甩ILlciblel~s”lell刃)均为儿乎可简化的，几乎可简化的线性系统!曲n喊一悦山心翻晚血.r卿劝曰l;no，T.np皿。朋Ma，几“能.“a，e“eTeMa]，常微分方程的 一个系统 义=A(r)x，x任R”，(*) A(·):R*Hom(R丹，R月)，
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条