This thesis deduces computational formulations of displacement sensitivity and stress sensitivity in structural shape optimization considering geometric nonlinear element.
推导了考虑几何非线性项的结构形状优化位移灵敏度和应力灵敏度计算列式。
Accodding to the results of discussion of the equation representing the relation and analyse of a pillar body self weight compression, the nonlinear relation between displacement and size is obtained.
根据对这个关系式讨论的结果,以及对竖直立柱自重压缩问题的解析,得到了位移与尺寸间的非线性关系。
The function of the nonlinear suspension stiffness with tire skipping distance was obtained by virtual displacement theory.
根据虚位移原理计算得到了扭杆弹簧双横臂悬架的非线性悬架刚度与车轮跳动的函数关系。
The element coupling shape function matrices are derived by means of geometrically nonlinear strain displacement relation under small deformation assumption.
利用几何非线性的应变-位移关系式,在小变形假设条件下确定了单元耦合形函数。
In this paper, on the basis of non linear analysis of the flexible pier's critical load, the influence of nonlinear phase displacement of pier top on pier's stability is discussed.
轻型桥墩是桥梁工程中常用到的一种桥墩,本文利用柔性墩失稳临界荷载非线性分析原理,分析了墩顶位移在非线性阶段对桥墩稳定性的影响。
The displacement connection, the velocity connection and the acceleration connection are introduced to expand the theory of connection (TC) into dynamics modeling of nonlinear mechanical systems.
引入了位移联结、速度联结和加速度联结,从而使联结理论适用于非线性机械系统的动力学建模。
The element coupling shape function meatrices are derived by means of geometrically nonlinear strain displacement relation un-der small deformation assumption.
利用几何非线性的应变-位移关系式,在小变形假设条件下确定单元耦合形函数。
The characteristics of MR damper have been described by a set of nonlinear differential equations including three physical parameters such as displacement, voltage and force.
这种阻尼器的性能可通过一组非线性微分方程来描述,物理参数包括位移、电压和力。
The nonlinear deformation in tower body of self-elevating tower crane under load is characterized by the horizontal displacement and tilt ratio of its top.
自升塔式起重机在载荷状态下,塔身非线性变形的主要表征是其顶部的水平位移和斜率。
Problems regarding nonlinear natural vibration of pendulum spring under foundation displacement excitation are studied.
研究基础位移作用下悬挂弹簧的非线性固有振动问题。
The vertical chaotic motion of the nonlinear viscoelastic pile embedded in rock with a vertical displacement, is investigated.
研究了在给定桩顶轴向动位移条件下非线性粘弹性嵌岩桩纵向振动的混沌运动。
The geometric nonlinear finite element formulation is derived, including large strain and large displacement.
推导了考虑大应变大位移的几何非线性有限元列式。
By using the transformation and the perturbation method, the nonlinear displacement equations are linearized, and the approximate boundary value problems are obtained.
利用变换和摄动法将非线性位移方程线性化,得到了近似边值问题。
The modeling and displacement tracking control of a piezoceramic actuator with complex nonlinear hysteresis was studied.
研究了压电陶瓷驱动器的复杂非线性滞回动力学系统建模及其位移跟踪控制问题。
Under the physical coordinate, the horizontal displacement is taken as an unknown quantity, and a nonlinear problem with big displacement of solid mechanics is introduced.
采用物质坐标,用水平位移作为基本未知量,成为固体力学的非线性大位移问题。
The time series of displacement monitoring data obtained in Maoping landslide of Qingjiang are analyzed by using macroscopic study of nonlinear dynamics method.
利用非线性动力学的宏观研究方法对清江库岸茅坪滑坡的位移时间序列进行了分析,发现滑坡系统在演变过程中存在混沌。
Under the action of random exciting displacement, the response of a simple pendulum with large displacement was studied in this paper by means of nonlinear spectral analysis.
本文应用非线性谱分析法对随机激振位移作用下大位移单摆的非线性随机响应进行了分析。
As nonlinear factor of displacement is not taken into account in design of thermal overhead pipeline previously, actual stress condition of pipeline and support can't be reacted correctly.
原先热力架空管道的计算没有考虑到位移的非线性因素,不能正确地反映管道和支座的实际受力情况,现结合热力架空管道和支座的受力情况,给出了力学的计算模型。
It is also found that magnetic suspension isolator's nonlinear characteristics make the system can isolate the external vibration more effectively, when the displacement is large.
另外磁悬浮隔振器的非线性变刚度特性使得隔振系统在振动位移较大时,能够更有效的隔离外界振动。
The large displacement plane problem is discussed in detail. Entire nonlinear formulations of the finite elements and related numerical results are presented.
文章以大位移平面问题为例进行了详细讨论,给出了有限元非线性列式的全过程和数值结果。
Miscible compressible displacement in a porous media is modelled by a nonlinear coupled system of two parabolic equations: the pressure equation and the concentration equation.
有界区域上多孔介质中可压缩可混溶驱动问题由两个非线性抛物型方程耦合而成:压力方程和饱和度方程均是抛物型方程。
Miscible compressible displacement in porous media is modelled by a nonlinear coupled system of two parabolic equations: the pressure equation and the concentration equation.
有界区域上多孔介质中可压缩可混溶驱动问题由两个非线性抛物型方程耦合而成:压力方程和饱和度方程均是抛物型方程。
The nonlinear relation between light travel distance and measured displacement is (deduced) by vector coordinate transforms, and their analytic and numerical results are given.
应用矢量坐标变换的方法理论推导了在大量程范围内测量位移与光程差的非线性关系,给出了解析解与数值解。
The numerical results show that the displacement of the overlying strata is nonlinear, and it gets smaller with the increase of the roof height.
数值模拟结果显示上覆岩层的移动是非线性的,上覆岩层的沉降位移随着距离采场顶板的高度增大而减小。
According to the nonlinear characteristics of landslide displacement time series, the nonlinear chaotic model is presented applying the forecasting method of chaotic time series.
根据滑坡位移时间序列的非线性性质,应用混纯时间序列预测方法,建立滑坡预测的非线性混纯模型。
A corresponding program is developed. Nonlinear load-displacement curve in complete-process analysis of a double-layer reticulated shell structure is traced out by the program.
研制了相应有限元程序,对网壳结构进行非线性的荷载—位移全过程跟踪分析,得到网壳结构荷载—位移全过程曲线。
A corresponding program is developed. Nonlinear load-displacement curve in complete-process analysis of a double-layer reticulated shell structure is traced out by the program.
研制了相应有限元程序,对网壳结构进行非线性的荷载—位移全过程跟踪分析,得到网壳结构荷载—位移全过程曲线。
应用推荐