1) closing the hole
孔洞闭合
1.
The effects of friction condition on closing the hole has also been investigated.
采用刚塑性有限元法对镦粗过程中的圆柱锻件内孔洞缺陷进行了数值分析，并研究了摩擦条件对锻件内孔洞闭合的影响。
2) pore closure
空洞闭合
1.
An analyse simulation for single pore closure in hot cylinder ingots;
圆柱体热锻件内部单空洞闭合的模拟分析
2.
The stress and strain distribution and evolution during pore deformation are analyzed and various factors influencing the pore closure and welding are examined.
本文应用商用有限元软件MARC ,模拟了圆柱体热镦粗时内部空洞的闭合过程 ,分析了空洞变形时的应力和应变以及影响空洞闭合和焊合的各种因素。
3.
According to the simulation results,the main factors influencing pore closure and their functions are analyzed,and a regression formula for calculating the critical reduction is established by taking into account the influencing pattern of every main factor.
基于数值模拟结果 ,分析了影响空洞闭合的主要因素及其影响规律 ,构造了考虑各种影响因素在内的锻合压下率计算公式。
3) void closure
空洞闭合
1.
The law of void evolution, criterion of void closure and factors which affect void closure are revealed in this paper.
本文通过深入分析大锻件内部空洞型缺陷在镦粗过程中的变化,得到了空洞的演化规律、影响空洞闭合的因素和提高空洞闭合效果的条件。
2.
Infinite hydraulic stress or equivalent strain is required when Gurson Model is employed to realize void closure of materials.
Gurson模型要求材料的静水应力或等效应变无穷大时才能实现材料内部的空洞闭合,而这一条件并不符合实际情况。
3.
Based on an approximate interpolation scheme,an analytical model for void closure in nonlinear plastic materials was established.
采用插值近似,建立了空洞闭合的解析模型,发现空洞变形的主要机理来自于空洞周围基体材料的塑性流动。
4) stitch hole
缝合孔洞
1.
The effect of stitch holes on stiffness of laminates is taken into consideration.
提出了缝合复合材料层板的刚度预报模型,该模型考虑了缝合针脚处的孔洞对刚度的影响,描述了缝合孔洞的几何形态,建立了孔洞形态与纤维弯曲的关系,采用平均刚度法和经典层合板理论进行了刚度预报,获得了与试验数据相吻合的预报结果,表明了该模型的有效性,详细探讨了缝合孔洞对缝合层板刚度的影响规律,得到一些有益结论。
5) void closing
孔洞锻合
1.
With help of FE software Deform 3D, the rigid-plastic FE models for simulating the M-shape anvil upsetting and inner void closing process have been setup, the simulation results showed that the center of the forge piece was in three-dimensional compression stresses state which was helpful to improve the.
本文针对大型锻件镦粗过程的金属变形特点,介绍了一种能够缩小锻件难变形区的“M形板”镦粗方法——M锻造法,并利用大型商用有限元软件Deform 3D建立了M锻造法镦粗过程的刚塑性有限元模型,对锻件内部孔洞锻合过程进行数值模拟,结果表明锻件内部应力状态良好,并能有效锻合锻件心部及难变形区域内孔洞型缺陷。
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