1) closed fringe
闭合条纹
1.
The algorithms to process interferogram with closed fringes are studied in this thesis based on fringe coordinate transform method and two-dimensional FFT method.
基于坐标变换的条纹中心法将笛卡尔直角坐标系下的闭合条纹利用亮度插值的方法转换为极坐标系下的非闭合条纹,然后利用二值化、细化算法提取出黑条纹中心点的位置,并将这些采样点经逆变换映射回原直角坐标系,经分析得到与之对应的相位值,从而实现了对闭合干涉条纹位相调制。
2) closed-fringe pattern
封闭条纹
1.
A coordinate-transform technique is proposed that enables the Fourier-transform method to analyze an interferogram that includes a closed-fringe pattern.
本文采用极坐标的坐标变换方法,将封闭条纹展开,用传统傅立叶滤波方法进行处理,再将得到的信息反变换到原坐标中,得到测量物体的三维分布。
3) crack closure
裂纹闭合
1.
A Study of Fatigue Crack Propagation and Crack Closure in Welded Joints;
疲劳裂纹在焊接接头中的扩展及裂纹闭合的研究
2.
The result shows that the crack closure is the main reason of the difference of the da/dN～ΔK curve in different stress ratios of the long crack,but it is probable not the main reason of the difference of the da/dN～ΔK curve of the short crack and the long crack.
结果表明裂纹闭合是导致长裂纹在不同应力比R时的裂纹扩展规律差异的主要原因,但它可能不是引起小裂纹、长裂纹的扩展差异的主要因素。
3.
An finite element model which takes the contact between crack lines into account was built,and the numerical simulation of the effects of inclusion,temperature and remote stress on crack closure has been carried out.
本文建立了考虑裂纹面接触的含夹杂裂纹体有限元模型 ,计算了夹杂、温度和远场应力对裂纹闭合的影响。
4) closed-crack
闭合裂纹
1.
Analytical and numerical research of stress intensity factor with a closed-crack in finite-rock-plates under biaxial compression;
双轴压缩下闭合裂纹应力强度因子的解析与数值方法
2.
Effective shear stress criterion for closed-crack fracture;
闭合裂纹断裂的有效剪应力准则
3.
The surface effective shear stress of closed-crack is introduced into calculating the stress intensity factor (SIF).
将闭合裂纹表面的有效剪应力引入裂尖应力强度因子的计算,获得了无限大板和有限宽板含中心闭合裂纹在不同裂纹长度、倾角以及摩擦系数下裂纹尖端的应力强度因子值。
5) closed crack
闭合裂纹
1.
A double iterative BEM for solving 2D closed crack loaded by a moving contact elastic body;
移动接触下求解二维闭合裂纹的双重迭代边界元法
6) convergent streaks
辐合条纹
补充资料：闭合
【诗文】：
闭合孤城剩放慵，桐江清绝胜吴松。
云收忽见北山雪，月落正闻西寺钟。
世味老来无奈薄，土思病後不胜浓。
蓴羹岂止方羊酪，轻许平生笑士龙。
【注释】：
【出处】：
闭合孤城剩放慵，桐江清绝胜吴松。
云收忽见北山雪，月落正闻西寺钟。
世味老来无奈薄，土思病後不胜浓。
蓴羹岂止方羊酪，轻许平生笑士龙。
【注释】：
【出处】：
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条