穿透裂纹 meaning in English
penetrated crack
through cracks
Examples
- In order to study the crack growth behavior in ferroelectric ceramics when an electric field is applied , a non - equilibrium statistical theory is used in this paper
摘要运用非平衡态统计断裂理论对电场中的中心穿透裂纹的扩展问题进行研究。 - This paper , based on the finite element method ( fem ) and utilizing two different means , analyzes the stress and strain field distribution of central through crack tip on a finite flat plate , and calculates the stress intensity factor of the crack tip
摘要基于有限元分析方法，对有限大平板中存在的中心穿透裂纹，分别用不同的方法分析其裂纹尖端应力、应变场分布，计算出裂纹尖端的应力强度因子。 - As it is difficult to obtain the accurate analytical solutions for the stress constraints of general 3d cracks , we have conducted systemically detailed researches on the out - of - plane stress constraint by finite elements ( fe ) and proposed a two - parameter description of non - through thickness 3d crack fields . several problems in damage tolerant design were also investigated based on continuum mechanics and probability theory
三维应力约束对精确预测结构破坏不可缺少,因此,本文采用三维有限元等方法基于连续介质力学、概率论等理论,对典型三维裂纹尤其是非穿透裂纹系统深入地开展了三维应力约束理论计算、三维裂纹端部应力场描述以及结构三维损伤容限设计的研究。 - The main results and academic contributions of the dissertation can be summarized as following : 1 ) for the difficulty to obtain the accurate analytical solution of the stress constraints around 3d cracks , detailed 3d fe analyses have been conducted to study the out - of - plane constraint factor tz around a straight through - thickness crack , a quarter - elliptical corner crack and a semi - elliptical crack embedded in an isotropic elastic plate subjected to uniform remote tension loading . the distributions of tz are minutely studied in the forward section of the cracks . strong 3d zones ( tz > 0 ) along the crack front were investigated despite the far field stress - free boundary conditions
全文主要研究内容和学术贡献如下: 1 .针对一般三维裂纹端部场应力约束准确解析的困难,对均匀拉伸载荷作用下各向同性弹性板中穿透厚度中心直裂纹、半椭圆表面裂纹和1 / 4椭圆角裂纹进行了大量详细的全场应力三维有限元分析,首次全面分析了非穿透裂纹端部场三维影响区范围,给出了不同形状三维裂纹前沿离面应力约束因子tz的数值解,并结合k场平面解给出了非穿透裂纹端部应力场k - tz双参数描述。