弹性梁

Based on the generalized potential energy variational principal of nonlinear elasticity theory with large deflection, the incomplete generalized potential energy functional with large deflection is established on the space coupling free vibration of three-span self-anchored suspension bridge by considering the effect of axial compressive and shearing strain energy of stiffening girder.

摘 要：摘要：基于大位移非线性弹性理论的广义变分原理，考虑了加劲梁轴向压缩应变能和剪切应变能的影响，建立了三跨自锚式悬索桥空间耦合自由振动的大位移不完全广义势能泛函，通过约束变分导出了自锚式悬索桥的竖向挠曲振动、横向挠曲振动、纵向振动及扭转振动的基础微分方程，为自锚式悬索桥的固有振动性状分析提供可靠的理论依据。

Using the elasticity and the singular integral equation method,an analysis of a pure bending beam containing a rigid linear inclusion is carried out under the Saint-Venant s approximation.

使用弹性力学和奇异积分方程方法，在Saint-Venant近似的精度下，对带有刚性线夹杂的纯弯曲直梁作了分析，求得了夹杂两侧的干扰界面应力及夹杂端点的应力强度因子，结果对带夹杂零件的强度设计有参考价值。

This paper carried out nonlinear finite element analysis of Reinforced concrete two-way thin-slab of frame construction, which received uniformly distributed load and four sides supported with spring beam in the normal stage.

本文对正常使用状态下，框架结构中承受均布荷载的，周边为弹性支撑梁的钢筋混凝土双向薄板进行了非线性有限元分析。

The paper by way of normal recommended method, derives step by step so called all spring elastic ground beam which spring is related to direction of wall deviation.

本文将由通常惯用的方法，逐步引出全弹簧弹性地基梁法，该方法的弹簧与墙体变位方向有关。

Then, to incorporate non-linear earth pressure gradual change theory, to get non-linear earth pressure all spring elastic ground beam method which is related to wall deviation direction and magnitude.

然后结合非线性土压力渐变理论，得出非线性土压力全弹簧的弹性地基梁法，该法与墙体变位方向与大小均有关。

Following the simple formula of the spring coefficient of a beam and the exact formula of the capacitor for the switch,the quasi-static and dynamic pull-in voltages of the clamped-clamped beam switch on CPW are analyzed,and the damping effect is also included.

通过简化的弹性系数和精确的电容计算公式，详细分析了基于CPW的双端固支梁开关的准静态和动态吸合电压。

The structural model of a beam with bending-resistant spring hinge is established for the natural vibration analysis of prefabricated highway steel bridge s.

引入抗弯弹簧铰模拟结构接头传递弹性弯矩的特性，建立了用于装配式公路钢桥竖向自由振动分析的带抗弯弹簧铰梁模型；利用有限元程序ANSYS对接头进行数值仿真，得到了抗弯弹簧铰刚度。

Continuous beam models with spring supports were set up to model end-plate connections. By comparing the results from tests with those from model analysis, the following conclusions can be drawn: during loading process, the neutral axis moves from the centroid axis to compression zone, not exceeding the center line of bolts inside the compression flange; ultimately, the tension flange and end-plate can be simplified as T-stub on the assumption that the axial forces of bolts in tension zone are equal to each other.

理论计算系建立带弹性支座的连续梁模型模拟端板连接，将模型计算结果与试验结果比较分析，结果表明：加载过程中，螺栓群中和轴逐渐从其形心轴向受压区移动，但不超过受压翼缘内侧螺栓中心线；极限状态下，受拉翼缘和端板可简化为等效T型件。

He modeling is the thin walled column model in which the shear walls connected each other in horizontal are regarded as a thin walled column, and the part between openings in vertical are regarded as a tie beam. The programs based on this kind of model is TAT. Two kinds of super element generalized- wall-element and elastic-slab-element are defined, which are condensed from shell element based on the theory of sub-structure, SATWE is based on the model.

AT采用薄壁柱模型，将同一层彼此相连的剪力墙墙肢作为一个薄壁杆件单元，把上下层剪力墙洞口间的部分作为连系梁单元；SATWE引入两种超单元：通用墙元和弹性楼板单元，采用子结构理论用在壳元基础上凝聚而成的墙元模拟剪力墙。

In this model,the tramcar was regarded as two degrees of freedom spring-mass-damper system,and the track was regarded as Bernoulli-Euler beam that locates on continuous and elastic ballast.

模型中，矿车被等效为两自由度弹簧-质量-阻尼系统，铁轨被等效为铺设在连续弹性道床上的伯努利-欧拉梁，矿车与铁轨的振动相互耦合。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。