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Lamps is integral structure, has the characteristics of good thermal dissipation, easy installation and reliable function.

灯具采用整体式结构, 具有良好的散热性, 安装方便,性能可靠.

In the paper , a precision numerical integral method is presented.

建议一种高精度数值积分的方法求取自由面边界积分项.

By applying fast multipole expansion, the boundary integral equation about 3 D potential problem is made discrete.

应用快速多极展开法将三维位势问题的边界方程离散.

Main ingredients are the technology of integral equation and the fixed point theorems on cone.

主要工具是积分方程技巧和锥上的不动点定理.

The singular integral equation for the unkown crack opening displacement is derived.

求出了以裂纹张开位移为未知量的奇异积分方程.

Straightforward algebra leads to the integral equation quoted above.

上面引用了简单代数的积分方程.

The relationship between crack length and stress intensity factor or crack opening displacement is also given.

用边界积分方法,分析表面裂纹的张开位移和应力强度因子.

The affection of tilting angle of welding parts to stress intensity factors were researched.

给出了有限元法计算模型,研究了焊口倾角对焊口应力集中系数的影响.

The numerical examples illustrate the influence of the width on image force and stress intensity factor.

通过数值算例讨论了条形介质宽度或厚度对相互作用的影响.

We study stress intensity factor of thick wall cylinder with cracks under dynamic load.

研究了动载荷作用下带裂纹厚壁筒的应力强度因子.

According to the singular stress filed , the formula of stress intensity factor crack terminal is acquired.

在此基础上, 得到了基于裂纹面上的位移间断计算裂纹端点应力强度因子的具体表达式.

The theoretical equations for stress fields and the stress intensity factor have been derived.

推出了界面裂纹的应力场和应力强度因子的理论表达式.

The result shows that stress intensity factor of calculated of thickness of welding seam.

给出了数值解法计算模型,研究了焊口厚度对焊口应力集中系数的影响.

The stress intensity factors are identical the results the problem elastic.

应力强度因子与纯弹性材料结果一致.

Multiiiple crack interaction may cause distrubed effect of stress intensity factor.

裂纹群的交互作用会引起裂纹应力强度因子的干扰效应.

It can also realize on-line data transmission and managing production condition of the enterprise.

打印报表,实现网上数据传输监管企业生产情况.

In terms of the effective damping matrix, the energy loss and specific damping of the laminate.

在层板的层次上由能量等效原理得到有效阻尼矩阵.

The energy loss, combined with angular-momentum redistribution, causes a dense ring system to flatten.

由于能量散失再加上角动量重新分布, 稠密的行星环系统就变得更为扁平.

It cuts down the energy loss, saves the construction area and enhances the design freedom.

减少能耗, 节约建筑面积,提高设计自由度.

And energy loss in hydraulic jump region could be confirmed by water energy equation.

通过水流能量方程确定水跃区的能量损失.