目的研究一类具有饱和接触率且潜伏期、染病期均传染的非线性SEIRS流行病传播数学模型动力学性质。
Aim Dynamical behavior of a kind of nonlinear SEIRS model of epidemic spread with the saturated rate, which has infective force in both latent period and infected period, is studied.
考虑桩周土体及桩–土接触的非线性，建立了空间轴对称有限元模型；
The spatial axisymmetric finite element model is established considering the nonlinear of the soil and the interface between pile and soil.
建立摆式列车多刚体系统动力学模型、受电弓非线性动力学模型和接触网有限元动力学模型。
The rigid multibody dynamic model of the tilting train, the nonlinear dynamic model of the pantograph and the FEM model of the catenary are set up.
研究了一类预防接种情况下具有一般非线性饱和接触率SIR流行病模型动力学性态。
The dynamic behavior of a kind of SIR epidemiological model with general nonlinear saturated contact rate is considered under vaccination.
分析了含间隙运动副副元素的碰撞分离过程，指出线性弹簧阻尼模型不能满足接触边界条件并产生力突变；
This paper points out the disagreement of boundary conditions that generate force discontinuity in the linear spring damping contact model by analyzing the contact modulation of the clearance joint.
真实接触面积与载荷存在线性关系，与G-W模型定性地一致。
The relation of real contact area with load is linear, which also agrees with G-W model qualitatively.
基于非线性有限元分析方法，采用了线性轴承模型和非线性轴承模型分析了大型四点接触球轴承的变形和受力。
Adopting linear and nonlinear bearing model, this paper analyses the deformation and stress of bearing with large radius, basing on nonlinear finite element analysis method.
论述了螺旋锥齿轮动力学研究的三种主要方法，即加载接触分析（LTCA）、解多维非线性方程组的方法，以及加载接触分析与周向振动模型结合的仿真分析方法。
The first method was loaded tooth contact analysis(LTCA), the second method was to solve nonlinear dynamics equation and the third method is to integrate torsional vibration model with LTCA.
方法考虑材料非线性，大变形和接触条件建立有限元模型，采用有限元法进行应力分析。
Method the Finite Element Method was employed to perform the stress analysis on this valve, which included the material nonlinearity, large deformation and the contact condition.
分析中用修正剑桥模型进行近域土体的模拟，对桩土接触面及远域土体进行非线性分析。
In the analysis, the soil body of close field is simulated with the modified Cambridge Model on the contact surface between the pile and soil and the non linear analysis for the far field soil body.
分析中用修正剑桥模型进行近域土体的模拟，对桩土接触面及远域土体进行非线性分析。
The modified Cambridge model is employed in simulating the near field soil and the nonlinear analysis method is used in the pile soil interface and distant field soil.
利用新的接触模型，采用忽略横向剪切变形的三维空间曲梁单元对三维曲井内钻柱的接触非线性进行了有限元分析，给出了一套计算方法。
Based on the new contact model, finite element analysis scheme of drill rods in contact with curved boreholes is given using Bernoulli spatial curved beam elements.
本文引入了用于研究结构与地基非线性动力相互作用时，对其接触面进行模型化的由层状弹塑性材料构成的有限薄层连接元法。
A thin layer joint finite element is introduced for modelling of the interfaces between structure and soil in the analysis of nonlinear dynamic interaction.
采用接触非线性有限元模型，分析在生理载荷下一个完整步态中人工髋关节的微动规律。
The purpose of this study is to explore the micromotion characteristics of prosthesis in gait cycle under physiological load.
建立了493车用柴油机缸孔变形的整体接触关系模型，提出了缸盖垫的非线性组合模型及缸套圆环模型。
An integral contact model was established to analyze the cylinder bore deformation of model 493 automotive diesel engine.
本文研究了具有非线性接触率和易感类中具有种群动力学的SIS传染病模型的正不变集、平衡位置以及平衡位置的稳定性。
In this paper, we have studied a SIS epidemiological model with a nonlinear incidence rate and population dynamics in susceptible class.
等效板厚法可用于初步设计时选型、初算，而非线性接触方法可用于最终计算及指导模型试验。
The equivalent plate thickness method can be used in choosing type and rough calculating in primary design. The nonlinear contact method can be used in final calculating and guiding model test.
利用非线性接触有限元方法对向心关节轴承进行应力场分析，在有限元模型中将心轴和轴承座作为柔性体处理，分别考察内、外圈相对偏斜工况下的应力场分布。
In the finite element model, the shaft and bearing house are set as flexible body, the stress field is investigate in the tilting case of inner ring and outer ring.
计算中岩体采用DP模型，利用面面接触单元考虑岩体与结构交界面的状态非线性。
In the calculation, the DP model is chosen to consider the non-linearity of rock and the status non-linearity of rock-structure interface adopts the surface-surface contacting element.
提出的模型可同时考虑桩底土的非线性、桩侧界面接触非线性及桩周土体受剪的非线性变形。
The nonlinearity of soil deformation under the pile bottom or the pile side, and the contact nonlinearity at the interface between the pile and soil are considered.
提出的模型可同时考虑桩底土的非线性、桩侧界面接触非线性及桩周土体受剪的非线性变形。
The nonlinearity of soil deformation under the pile bottom or the pile side, and the contact nonlinearity at the interface between the pile and soil are considered.
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