剪切变形

Based on Hamilton variation principle, the equations of motion for the moderately thick rectangular plate with transverse surface penetrating crack on two-parameter foundation are established.

基于Hamilton变分原理，考虑板的横向剪切变形和地基耦合效应，建立了双参数地基上含横向表面贯通裂纹的中厚矩形板的运动控制方程。

For the panel zone shear deformation of beam-to-column connections in steel frames, a trilinear model was proposed to describe the moment-shear rotation curve, and the corresponding calculation method was presented.

针对钢结构梁柱连接节点域剪切变形全过程曲线，提出了三线性模型并给出了相应的计算方法。

Combining the section endochronic theory with member finite element method, the member endochronic model is developed, during which shear deformation of member is unconsidered.

三、将截面内时理论与杆件有限单元法相接合，建立杆件内时模型，建立过程中不考虑杆件的剪切变形。

Based on the Reddy′s higher order shear deformation theory , geometrically nonlinear governing equations and their boundary conditions of composite laminated plates are obtained in the form of displacements by the virtual displacement principle.

根据 Reddy的高阶剪切变形理论，用虚位移原理推导出以位移形式表达的复合材料层板的非线性控制方程及相应的边界条件。

Finally, the free vibration analysis of the 3-D beamlike lattice girders is performed using the derived property matrices of the 3-D Timoshenko beam elements and the influence of flexural rigidity, shear deformation and rotary inertia of the constituent structural members on the free vibration characteristics of the "triangular-type" and "rectangular-type" 3-D beamlike (Vierendeel and X-braced) lattice girders is studied.

最后，本文利用上述三维Timoshenko梁元素的性质矩阵，来进行三维构架的自由振动分析，并探讨各梁元素的挠曲刚度、剪切变形与旋转惯性，对三角形及四方形的梁形格状桁，自由振动特性的影响。

Experimental Research on FBG Sensor for Large Curvature Detection;2. For large curvature arch, the neutral axis does not pass through the centroidal line of the cross-section, so the moment of inertia is not consistent with the second moment of area.

大曲率拱中，截面形心轴与中性轴不重合，其截面抗弯惯性矩与不考虑曲率影响的截面面积二阶矩有一定的差别；当截面尺寸相对拱弧长来说较大时，此时拱为深拱，剪切变形的影响不能忽略。

Based on the higher order refined shell theory of Reddy type, the assumption that transverse shear deformations vary parabolically in the thickness direction and vanish both in the bottom and top surfaces of the shell is applied and coefficients of higher order terms in the formulation can be determined.

在Reddy型高阶壳体理论的基础上，假设横向剪切变形沿壳体厚度呈抛物线分布并在壳体的上下表面上为零，进行高阶量系数的求解。

The study is based on the Reddy s high order shear deformation theory .

首先用虚位移原理推导出以位移形式表达的Reddy型高阶剪切变形理论复合材料层板的非线性控制方程及相应的边界条件。

From about 206 Ma there occurred arc-continent collision accompanied by compressional contraction and shearing deformation of the arc crust and development of syn-collision granites. In the late Yanshanian epoch (138-73 Ma) post-orogenic extension came into action and resulted in the generation of A-type granites. During the Himalayan (65-15 Ma) intra-continental orogenic movement a large-scale strike-slip thrusting induced the intrusion of granites and development of pull-apart basins.

据此，再造了造山带的形成过程与演化历史：印支期的大规模俯冲造山作用(238～210 Ma)，形成义敦火山岩浆弧；大约自206 Ma始，发生弧-陆碰撞，伴随岛弧地壳挤压收缩和剪切变形，发育同碰撞花岗岩；进入燕山晚期(138～73 Ma)，岛弧碰撞造山带发生造山后伸展作用，形成A型花岗岩带；喜马拉雅期发生陆内造山作用(65～15 Ma)，岛弧碰撞造山带出现逆冲-推覆和大规模走滑平移，伴随喜马拉雅期花岗岩的侵位和拉分盆地的形成。

Both theoretical and experimental analyses on the natural frequencies and modes of the disk-shaped bevel gear are presented by using thick conical shell theory considering transverse shear d-eformation and rotational inertia, and using experimental modal analysis respectively.

本文介绍了用考虑横向剪切变形和转动惯性的厚锥形壳理论来分析盘形锥齿轮的振动固有频率和振型，并用试验模态分析技术进行测量。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。