闫兴清
Personal Homepage
Paper Publications
三通内拐角椭圆裂纹应力强度因子分析
Hits:

Indexed by:期刊论文

Date of Publication:2014-09-15

Journal:管道技术与设备

Issue:5

Page Number:1-3,10

ISSN No.:1004-9614

Key Words:应力强度因子;有限元分析;形状因子;三通内拐角椭圆裂纹

Abstract:应力强度因子KI是缺陷结构安全评定参数,三通内拐角椭圆裂纹应力强度因子计算十分复杂.用ANSYS软件建立内压载荷下三通内拐角椭圆裂纹有限元模型,计算了不同几何结构参数下裂纹的应力强度因子KI,拟合了裂纹前缘的形状因子F计算公式.结果表明:内压下三通内拐角椭圆裂纹前缘形状因子最大值出现在主管或支管表面位置;三通主管壁厚增加,形状因子F减小;内压下椭圆裂纹有扩展为圆形裂纹的趋势.

Personal information

Engineer

Gender:Male

Alma Mater:大连理工大学

Degree:Doctoral Degree

School/Department:化工学院

Discipline:Chemical Process Equipment. Safety Science and Engineering

Business Address:大连理工大学西校区H509

Contact Information:13478665105

Click:

Open time:..

The Last Update Time:..


Address: No.2 Linggong Road, Ganjingzi District, Dalian City, Liaoning Province, P.R.C., 116024

MOBILE Version