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A new method for structural damage identification is presented based on perturbations of curvature mode shape and freque......
The stochastic finite element equations for random temperature are obtained using the first-order per-turbation techniqu......
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A new higher-order continuum model is proposed by considering the coupling and lane changing effects of the vehicles on ......
Vibration suppression in multi-tool ultrasonic machining to multi-external and parametric excitation
Ultrasonic machining (USM) is of particularinterest for the machining of non-conductive, brittle materialssuch as engin......
Effect of passive structure and toroidal rotation on resistive wall mode stability in the EAST tokam
If βN exceeds no-wallβN, the plasma will be unstable because of external kink and resistive wall mode(RWM). In this ar......
In the discharge of EAST tokamak,it is observed that(2,1) neoclassical tearing mode(NTM) is triggered by mode coupling w......
Applications of nonlinear optimization methods to quantifying the predictability of a numerical mode
The nonlinear optimization methods are applied to quantify the predictability of a numerical model for El Nino-Southern ......
A method of controllable internal perturbation inside the chaotic map is proposed to solve the problem in chaotic system......
This paper studies the propagation of horizontally polarized shear waves in an internal magnetoelastic monoclinic stratu......
As vibration-based structural damage detection methods are easily affected by environmental noise, a new statistic-based......
The Perturbational Finite Difference (PFD) method is a kind of high-order-accurate compact difference method, But its id......
提出了细胞外室体积随时间变化的两室模型并求出了其摄动解.与解析解相比,摄动解形式简单,经用两种解对肌酐(Cr)、尿素氮(BUN)进行模拟计算后发......
将解强非线性单自由度振动的改进的L-P方法推广到多自由度系统,提出了一个摄动展开式,求出了多自由度强非线性系统的渐近解。该方法有较......
利用Schauder不动点定理和Leray-Schauder不动点原理,研究了在一些新的条件下,Banach空间中极大单调算子扰动后方程的可解性问题.......
研究了任意能级下均匀磁场中三维谐振子一级能量修正值的简便方法.根据简并态微扰理论、球坐标系中三维谐振子波函数的性质,以及均......
通过介绍一类非线形拉格朗日方法,讨论了扰动函数的下半连续性,一些最优性条件的收敛性分析以及非线形罚函数.......
在克尔非线性的 blackbody,有相反的波浪向量和 helicities 的赤裸的光子被绑进对,奇光子被转变成 quasiparticle 的一种不同类型, no......
给出了均匀磁场中相距为d的两个双电子园盘量子点构成的人造氦分子的能级结构,讨论了能级随d,ω0(谐振圆频率)及B(外磁场强度)变化......
根据戴逊方程,推导了纳米单原子链的位移-位移Green函数,并得到了声子占有数表象中原子位移与哈密顿的表达式.在这些结果的基础上,......
本文将基于随机场局部平均的随机有限元法应用于结构分析中的实特征值问题,给出了2次摄动求随机实特征值和特征向量的1、2阶矩的有......
本文把液体系统中的排斥势作为相互作用势的主要部分,吸收势作为微扰,由微扰方法导出计算潜热的有关公式,给出分子相互作用势,就可由这......
在前一篇文章推导的运动学模型的基础上,推导了J2项摄动下编队构型在x,y,z三个方向上随时间变化的解析式,详细分析了J2。项摄动对三个......
设实对称矩阵K具有广义Cholesky分解,证得扰动矩阵的广义Cholesky分解满足:||ΔL||F/||L||2≤Kc(k)ε+O(ε^2).例子表明此扰动结果比以往的结果更精......
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The Differential Quadrature Solution of Reaction-Diffusion Equation Using Explicit and Implicit Nume
In this paper, two different numerical schemes, namely the Runge-Kutta fourth order method and the implicit Euler method......
The third-order asymptotic solutions in the Lagrangian description for interfacial internal waves in
In this paper,we discuss the interfacial internal waves with a rigid boundary in a three-layer fluid system,where the de......
采用摄动方法求解了旋转环形截面弯管内的粘性流动,获得截面上轴向速度和二次流的二阶摄动解,系统地分析了主流速度、二次流动在科......
本文主要应用修正的完全近似法,处理一类方程,得到O(ε^2)近似解。...
Evaluation of Corrosion Product Activity in a Typical PWR with Extended Cycles and Flow Rate Perturb
Effect of flow rate perturbations has been studied using the modified computer program CPAIR-P for time dependent corros......
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本文讨论了一类具有不确定噪声的连续时间线性系统的极小极大鲁棒Kalman滤波器的设计方法。本文在给一允许偏离度的条件下,给出了确保估计......