The elastic stiffness constants and piezoelectric stress constants of these crystals have been obtained.
给出了它们的弹性刚度常数和压电应力常数。
These models can reflect the behaviours of damage softening, elastic stiffness degradation and shear dilatancy.
这个模型能够反映节理面的损伤弱化，扩容和弹性刚度劣化等复杂特性。
An implicit integration elastic stiffness method has been developed for the finite element analysis of rock and soil elastoplastic models.
本文提出了用于岩土弹塑性有限元分析的隐式积分弹性刚度算法。
And the reduced linear elastic stiffness matrix is formulated for the macro-element of planar beam attached with springs at both ends through static reduced technique.
采用静力缩减方法，由平面梁单元弯曲平衡方程推导出两端带扭簧的杆件宏单元缩减刚度矩阵。
The elastic stiffness matrix and the geometrical stiffness matrix for a element of cylindrical shells been established by the relation ship of strain displacement in a lange deflection.
理论上采用大挠度的应变——位移关系，建立了圆柱壳单元的弹性刚度矩阵和几何刚度矩阵。
Having introduced the eccentric space thin-walled girder and the space combined cable elements, the author has derived element elastic stiffness matrix, geometric stiffness and masse matrix.
引入偏心空间薄壁梁单元及空间组合索单元，导出弹性刚度阵、几何刚度阵、质量阵。拉索张力随垂度变化的非线性由等效几何刚度计入。
The engine-mounting is very important in improving the comfort and reducing the noise of a vehicle. An ideal engine mounting must have a low elastic stiffness and a high vibration absorbing ability.
发动机的悬置对提高汽车的舒适性和降低噪声起着重要作用，理想的发动机悬置应具有低弹性刚度和高减振功能。
Through analyzing example, the relation between axial rigidity and pulling force of the cable and the affection to axial rigidity about gravitation rigidity and elastic stiffness have been discussed.
通过算例分析，讨论了索的轴向刚度与拉力变化的关系，分析了重力刚度和弹性刚度对轴向刚度的影响；
Secondly, in the elastic kinematics simulation, the tire as a rigid body, without considering tire stiffness, which is a factor of error.
其次，在弹性运动学模拟中，把轮胎视为一个刚性体，没有考虑轮胎刚度，这也是产生误差的一个因素。
After compared with the result of tests and fitting formula, it is reasonable to deduce the resolution of tube wall stiffness based on the elastic theory.
基于经典弹性板壳理论推导管壁变形解答，得到管壁变形的解析表达式，并以此计算管壁变形刚度。
The elastic rigidity of rail pad and ballast stiffness of rail and clamping force of fastener are the main factors that cause the widening of gauge.
钢轨垫层和道床的刚度、轨刚度和扣件扣压力是影响轮轨之间作用力和轨距扩大的主要因素。
The stiffness of a structure will be subject to elastic modulus and panel thickness.
一个结构的刚度将受到弹性模量和面板厚度的影响。
It depends on the elastic foundation of the matrix and the flexural stiffness of fibers.
这种分析还依赖于基体的弹性以及纤维在基体中的弯曲刚度。
Under the guidance of key layer theory in strata control, the conditions of stiffness and strength for key layer are established by using elastic slab theory.
以岩层控制中的关键层理论为指导，应用弹性板理论建立了关键层的刚度条件和强度条件。
The elastic modulus of foam core and composite skins and the stiffness of sandwich are analyzed.
分析了复合材料面层的弹性常数、泡沫芯层的模量和夹层结构的刚度；
Objective: To study biomechanical influence and relations between the elastic modulus and mechanical compatibility for prosthesis of different stiffness after replacement.
目的：研究不同刚度的股骨头假体置换后的生物力学影响及材料的弹性模量与力学相容性关系。
The concrete with high properties has the characteristic of high strength, stiffness, elastic modulus and durability.
高性能混凝土具有高强度、刚度、弹性模量和耐久性。
Moreover, the article elucidates the influence of various parameters on the dynamic response of the hoist - the damp of elastic coupling, stiffness, each turning inertia of hoist shaft, etc.
还阐明了弹性联轴器的阻尼，刚度和高速轴上各转动惯量等参数对起升机构动力响应的影响。
The stiffness of a structure will be the elastic modulus and the effects of panel thickness.
一个结构的刚度将受到弹性模量和面板厚度的影响。
This paper presents a effective method dealing with step elastic supports in structural finite element analysis by inducing elastic support stiffness and structural displacement support matrices.
本文通过引入弹性约束刚度矩阵和结构位移约束列阵，提出了结构有限元分析中处理阶跃型弹性约束的一种有效方法。
The principle and method in utilizing the elastic secant stiffness in the reinforced concrete nonlinear hysteretic analysis were presented.
分析弹性割线刚度运用于钢筋混凝土非线性滞回分析的原理和方法。
The elastic model based on the stiffness equation is presented, and the stiffness model of the whole structure is constructed via the stiffness assembly and coordination equation.
提出了大行程柔性铰链基于刚度方程的弹性模型，采用刚度组集的方法并通过建立协调方程，构建得到整体系统的刚度模型。
This paper introduces a finite element method of the plane trusses with elastic node. The element stiffness matrix and loading matrix are calculated in detail.
研究了弹性结点有限元方法，详细导出了弹性结点杆件的单元刚度矩阵和常见荷载列阵。
When a dynamical model of the practical engineering structures is set, the stiffness characteristics of the elastic elements must be determined.
建立实际工程结构的功力学模型时，需确定其弹性元件的刚度特性。
Based on the small-deflection elastic theory and some simplified assumptions, the initial stiffness, the slack stiffness and the critical slack load have been derived theoretically.
首先应用小挠度弹性理论，在一些合理简化假设的基础上，推导自平衡索桁架的初始刚度、松弛刚度及临界松弛荷载公式。
The various subgrade stiffness parameters for evaluating elastic strain energy stored in subgrade are inferred by using the principle of energy equivalency.
导出了计算储存在半无限弹性地基中弹性变形能所需的各种地基刚度。
The design and transmission calculate of the elastic support variable stiffness apparatus for frequency modulation tune for the structure of the vibration stage is introduce.
介绍了振动台固频调谐的弹性支承变刚度装置结构设计及传动计算。
The key of the ballastless track lies in the structure strength, lateral stability, stiffness uniformity, elastic buffer and durability.
无碴轨道结构设计的关键在于强度、横向稳定性、刚度均匀性、减振性和耐久性。
The elastic constitutive equations, the composite elastic modulus and the composite axial compression stiffness of CFST are derived.
导出了钢管混凝土柱弹性本构方程、组合轴压弹性模量和组合轴压刚度的理论计算公式。
And the function equations on effect of stiffness of elastic cell upon relative stiffnesss coefficient of bolt are get.
笔者对这种螺栓联接进行了受力与变形分析，得到了弹性元件刚度对螺栓相对刚度系数影响的解析式。
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