查询词典 mechanics

From the view of fracture mechanics, the problem involving a center crack in a rectangular piezoelectric body under anti-plane mechanical shear displacement and in-plane electrical field is analyzed by the boundary collocation method in this paper.

从断裂力学的观点出发，采用边界配置法研究了含中心裂纹的矩形截面的压电材料在平面内电场和反平面变形作用下的应力场和电场的解，详细介绍了该方法的程序设计过程。

In chapter 2,all kinds of numerical methods of computational fracturemechanics are summarized,the development histories and present situation ofboundary collocation method,boundary integral method,finite difference method,boundary element method and finite element method are expounded,and theapplication of finite element method in fracture mechanics are emphaticallydiscussed.

第二章 总结了计算断裂力学中各种数值方法，论述了边界配位法、边界积分法、有限差分法、边界元法及有限元法的发展历史和现状，并着重讨论了有限元法在断裂力学中的应用。

The direct methods to solving the boundary condition problems of elastic mechanics are introduced in the present work.

本文的工作提供了直接求解弹性力学边值问题的一个新思路。

We also have investigated applications of the symmetry method in the boundary value problem of the mechanics equations.

其次我们探讨了对称方法在力学方程边值问题中的应用。

Comparison of bounding surface model and traditional elastic mechanics model of concrete

模型中采用了基于应变能量释放率空间的边界面模型，通过极限断裂面的不断移动模拟疲劳过程中损伤阈值的不断变化。

The author studies systemically the plasticity mechanics and researches the bounding surface plasticity constitutive model of soil in details.

采用自适应多步积分、局部迭代和射线回退相结合的积分方法，给出了边界面塑性本构关系数值实现过程。

Based on the framework of critical state soil mechanics,a new bounding surface constitutive model for sand, being applicable to cyclic loading, is proposed.

基于临界状态土力学框架，建立了一个适用于往返循环荷载作用的砂土边界面本构模型。

APPLICABILITY: It's widely used in electronic breadboard, fine mechanics, leather eliminating fat, workpiece eliminating dirty, stainless-steel, plastics and hardware surface cleaning.

应用领域：广泛用于电子线路板、精密机械、皮革去脂、物件表面去油污，不锈钢及各种金属和塑料表面的清洗等。

The changes of their tension strength and breaking elongation are developed by Mechanics Performance Testing.

通过力学性能测试分析拉伸强度和断裂伸长率的变化。

It is shown that the distribution of mechanics variables solved by using the Toroidal Coordinate is more accurate than that by Bridgman analysis.

通过比较发现，采用圆环坐标求解的力学量的分布，较Bridgman解更为准确，可以体现出最小横截面上位移和应变的非线性。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。