1) Longitudinal elliptical surface crack
纵向表面椭圆裂纹
2) semi-elliptical surface crack
半椭圆表面裂纹
1.
Finite element analysis for stress intensity factor of semi-elliptical surface crack in circular tube under torsion and bending;
弯扭组合载荷下圆管半椭圆表面裂纹应力强度因子的有限元分析
2.
In order to determine the stress intensity factors (SIFs) for a semi-elliptical surface crack at the T-root groove of a turbine disc under centrifugal forces, three-dimensional finite element method was employed to solve the displacement field of the cracked disc.
为确定在离心力作用下汽轮机叶轮T型叶根槽半椭圆表面裂纹的应力强度因子,采用三维有限元法求解含裂叶轮的位移场。
3.
The major researches as follows:(1) The surface fracture was studied for Zirconia / Ni-Cr alloy FGMs strip with a semi-elliptical surface crack subjected to the thermal shock load, and studied the influence of crack depth, aspect ratios and thermal boundary conditions on the normalized stress-intensity factors along a crack-front.
本文主要尝试着利用数值方法对功能梯度材料在非定常热边界条件和定常的力边界条件作用下的断裂力学性能进行分析,主要研究内容如下:(1)研究了含有半椭圆表面裂纹的氧化锆/镍铬合金功能梯度材料板条在热冲击载荷作用下的裂纹问题。
3) elliptical surface crack
表面椭圆裂纹
1.
By linking Visual Basic with ANSYS,a software named AutoSIFA is compiled to calculate the stress intensity factor(SIF) of the semi-elliptical surface crack automatically and conveniently.
为解决用有限元方法进行三维裂纹问题分析时的难点,通过在裂纹前沿设置奇异单元,建立了圆筒表面椭圆裂纹的断裂力学有限元分析模型;通过Visual Basic对ANSYS的封装调用,编制了便于工程化应用的圆筒表面椭圆裂纹应力强度因子自动分析软件AutoSIFA;运用该软件得到了弯扭载荷作用下圆筒表面椭圆裂纹应力强度因子的变化规律,绘制了裂纹最深点应力强度因子形状修正系数FI的曲线图谱,并拟合出了便于工程应用的相关公式。
4) Three-dimensional semi-elliptical surface cracks
三维半椭圆表面裂纹
5) semielliptic surface crack
半椭圆形表面裂纹
6) longitudinal surface crack
表面纵裂纹
1.
An investigation was made of the features and formation mechanism of the longitudinal surface cracks occurring on FTSC thin slab,based on the production experience with the FTSC caster at Tang Steel.
根据唐钢FTSC薄板坯连铸机的生产实践,对铸坯表面纵裂纹的特征和形成过程进行了深入的研究,重点分析和总结了钢中C含量,S含量,锥度控制,保护渣性能,拉速和过热度,设备状态等对表面纵裂纹的影响,并提出了相应的控制措施。
2.
There were longitudinal surface cracks on Masteel beam blank,and they are the reason of defects after rolling.
马钢连铸异型坯存在表面纵裂纹,是造成轧后废品的主要原因。
补充资料：表面裂纹
分子式：
CAS号：
性质：指暴露在容器或构件表面的裂纹，通常以半椭圆形为代表，其中长轴表示裂纹长度，半短轴代表裂纹深度。
CAS号：
性质：指暴露在容器或构件表面的裂纹，通常以半椭圆形为代表，其中长轴表示裂纹长度，半短轴代表裂纹深度。
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