单元的刚度矩阵和几何刚度矩阵全部显式给出。
The element siiffness matrix and the geometric stiffness matrix etc. are explicitly presented.
其中几何刚度矩阵由轴向力、双向弯曲和截面翘曲的影响组成。
The geometric stiffness matrix is composed by the effect of axial force, bending moment and bimoment.
在建立拱的振动传递方程时，考虑了拱内的轴向变形和几何刚度。
The geometric stiffness and the axial deformation of arch are considered in formulating its vibration transfer equation.
通过算例得出了必须考虑扰频对动力几何刚度阵影响的重要结论。
Some numerical results show that the effect of disturbance frequency on dynamic geometrical stiffness matrix must be considered when the instabil…
本文推导出了任意截面形状的楔形杆的单元刚度矩阵和单元几何刚度矩阵。
In this paper, the element stiffness and consistent geometric 'stiffness matrices for linearly tapered members with arbitrary cross-section have been derived in explicit forms.
本文推导了柱单元受大轴力和单元变形过大两种情况下的单元几何刚度矩阵。
In this paper, a improved geometric stiffness matrix of a column element considering axial force-lateral displacement effects is derived.
对结构动力特性的分析表明其振动以竖向振型为主，几何刚度对结构自振特性影响很小。
The analysis on dynamic property of BSS show that the vertical vibration modes is primary, and the geometrical stiffness has little influence on the natural vibration characteristics.
进而依据非线性有限元理论推导了该三结点梁单元的几何刚度矩阵的单元切线刚度矩阵；
The three-node beam element tangent stiffness matrix including the geometric stiffness matrix is developed according to the nonlinear finite element theory.
对于保守弯矩，节点外荷载弯矩的虚功产生外荷载刚度矩阵，这个矩阵会改变几何刚度矩阵一些项。
For conservative external nodal moments, the virtual work for the external moment can result in an external load stiffness matrix, which can significantly modify the geometrical stiffness matrix.
在有限元法推导方程的过程中，考虑到拉索大变形的应变表达式，求得它的几何刚度矩阵和弹性刚度矩阵。
While deriving the finite element equation, get the cable's strain formula considering the big distortion, get its geometry rigidity matrix and elastic rigidity matrix.
对有初始膜(轴)内力的结构，考虑几何刚度阵对结构原刚度阵的影响，进行了分歧屈曲分析和自由振动分析。
The bifurcation buckling analysis and coupled vibration analysis of structures with the influence of initial stresses taken into account.
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。
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.
几何非线性单元的精度主要决定于单元恢复力的计算方法，刚度矩阵对单元精度的影响很小。
Method for computing the element restoring force, rather than the stiffness matrix, is the most important factor that determines the accuracy of a geometric nonlinear finite element problem.
相应的广义刚度矩阵既决定于体系的刚度特性，又决定于几何约束特性。
The corresponding generalized stiffness matrix depends on both the stiffness characteristics and the geometrical constraint characteristics of the system.
在这种模型中，接触单元的几何和静力约束条件是作为补充方程包含在刚度方程中。
The geometric and static constraint conditions on contact surfaces are treated as additional conditions and are included in stiffness equations.
推演了索单元的切线刚度矩阵，建立了斜拉桥施工控制计算的几何非线性模型。
The paper deduces tangent stiffness matrix and set up geometrical nonlinear model of construction control calculation of the cable-stayed bridge.
遵循杆件应力约束、几何尺寸约束、刚度约束条件，建立了杆件截面尺寸相互关系式。
Besides, following the constraint of the member geometrical sizes and stiffness, this paper has set up the relationship between member section sizes.
螺旋槽干气密封试验分析了干气密封螺旋槽几何参数对开启力、功耗、泄漏率和气膜刚度的影响，并通过理论计算对试验数据给予了验证。
The influences of the spiral groove parameters on the opening force, power loss, leakage rate and stiffness of gas film were investigated by the experimental test.
列式法求解切线刚度矩阵来考虑几何非线性。
For geometrical nonlinearity, Updated Lagrangian formulations are adopted to derive the tangent stiffness matrix.
利用变分原理，推导了两节点二维曲梁单元几何非线性的单元切线刚度矩阵。
From the variation principle, an analytical solution of the tangential stiffness matrices with nonlinear effects geometrically, for two-nodal two-dimension curved beam element, has been derived.
轨道刚度变化同时影响着轮轨动荷载和轨道动态几何形位的变化。
The changing of track stiffness affects wheel-rail dynamic forces and track dynamic geometry performance simultaneously.
可变刚度板簧凸轮形支架的几何结构是影响悬架弹性特性的重要环节之一。
The geometrical structure of cam bear frames joining to leaf springs of variable stiffness play an important role on the causes which affect elastic characteristics of suspensions.
计算时该格式使用同一刚度矩阵，只需要不断更新荷载矢量，即在荷载矢量的迭代中反映几何非线性效应。
In calculation, this method USES the same stiff matrix, and only to renew the load vectors, which means it will reflect the geometric nonlinear effect in the load vectors' iteration.
随后确定了影响zyy型圆钢管相贯节点刚度的几何参数。
Then the geometry which affected the circular tubular ZYY-joint rigidity is identified.
由工程应变推导出几何非线性的切线刚度矩阵，并给出判断分歧点与极限点的准则，最后用一数值例题说明该方法的分析过程。
The tangent stiffness matrix is obtained from the engineering strain and the principle for determining the limit point and bifurcation point is given.
几何构形一体化程度的改善既有助于精简工序环节、降低工装成本，又有利于提高零件的比强度、比刚度与疲劳寿命。
Higher structural integrity will bring about less procedure amount, lower tooling cost, but higher specific strength, bigger specific stiffness and longer fatigue lifetime.
基于几何非线性有限元理论，推导了折线形索单元的刚度矩阵，建立了索张拉预应力钢桁架的几何非线性数值分析模型。
Based upon the theories of geometrical nonlinearity, the stiffness matrix of cable elements are put forward and the numerical model of cable-prestressed steel structures are established.
转向过度在教科书中是指前后轮转向刚度的不同，需要考虑到轮胎的特性，几何学，衬套比率等。
Oversteer in the "textbook" sense is the difference between cornering stiffness at front and rear, taking into account tyre characteristics, geometries, bush rates, etc, etc.
弯曲梁的随机材料参数和随机几何参数可结合为一个随机参数——弯曲刚度。
The stochastic material parameter of bending beam can be integrated with its stochastic geometrical parameter into one stochastic parameter.
弯曲梁的随机材料参数和随机几何参数可结合为一个随机参数——弯曲刚度。
The stochastic material parameter of bending beam can be integrated with its stochastic geometrical parameter into one stochastic parameter.
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