查询词典 crack

Restricted by the assumption of low-order linear displacement approximation in each block, Discrete Element Methods often have to mesh many continuum parts of the problem domain into small discrete blocks when simulating crack propagation problems, and the result is very sensitive to the very way that divides the domain.

一般离散单元计算方法受离散块体低阶线性位移近似的限制，在模拟开裂过程时，需要将大部分实际上连续的区域离散化，离散方式对分析结果有显著影响。

When the stress and displacement fields in a specimen are calculated by finite element method, the stress intensity factors K and K of mixed-mode crack can be obtained immediately by a contour integral.

此方法与积分路径的选择无关，用有限元法计算出远离裂纹尖端的位移场和应力场，就可通过计算绕裂端的围线积分，精确地给出混合型裂纹的应力强度因子KⅠ和KⅡ的数值解。

In this paper,the boundary singular kernel method in Reproducing Kernel Paicle Method has been applied to impose the essential boundary conditions in EFGM by revising the MLS shape function.The stress field and the displacement field are analysed by linear elastic theory.The contour integral method is used to calculate the J-integral,then the stress intensity factors of mixed-mode crack is acquired.The correctness and the validity of the method are validated.

本文将再生核质点方法中的边界奇异权方法引入EFGM中，通过对MLS形函数进行修正实现了本质边界条件在节点处的精确施加；运用线弹性断裂理论分析裂纹板的应力应变场，采用围线积分法计算J积分，给出了复合型裂纹板的应力强度因子的无网格伽辽金方法。

My company's high temperature resistant matte Conway delicate dish, not leak, no crack.

我公司生产的耐高温康卫皿磨砂细腻，不漏气，无裂纹。

Combine the cooling characteristic curve of quench media and the dynamics curve of continuum cooling phase change to select the quench media of materials is very useful, and it can obtain best microstructures and controlled crack polarity or distortion.

文章摘要：提出将淬火介质冷却特性曲线与材料的奥氏体连续冷却转变动力学曲线相结合，来选择材料的淬火介质，获得合适的显微组织并控制材料淬火过程中的变形、开裂倾向。

Was it all a silly vanity project, or is there a crack team of Chinese hiding out somewhere on Copacabana, preparing to nip across the Atlantic and snare the World Cup in four years' time?

那是一项愚蠢空虚的工程吗？抑或是他们已经是中国最好的球队正准备横渡大西洋在4年后的世界杯上一鸣惊人？

There is a crack in 1 corpus callosum (1.7%).

在59例脑中有1例(1.7％)胼胝体出现裂隙。

At the same time, the correlations among the AE count rate, energy rate, crack growth rate and SIF are obtained as well.

同时，得到了表征材料疲劳裂纹扩展的AE计数率、能量变化率、裂纹扩展率以及应力强度因子之间的相互关系。

And the historical task to crack down on the counterfeiting in our country will be more important than in other countries.

然而，中国今天所面临的国际环境，与发达国家假冒伪劣盛行的时代完全不同了。

In particular, ongoing efforts have been made to crack down hard on counterfeiting and ensure market order.

特别要指出的是，中国政府正大力打击制假售假行为，以确保市场的正常秩序。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。