闫兴清
Personal Homepage
Paper Publications
内压作用下弯管环向穿透裂纹应力强度因子分析
Hits:

Indexed by:期刊论文

Date of Publication:2013-08-08

Journal:机械设计与制造

Included Journals:PKU、ISTIC

Issue:8

Page Number:95-97

ISSN No.:1001-3997

Key Words:有限元分析;应力强度因子;弯管;裂纹

Abstract:应力强度因子是缺陷结构安全评定的必需参数.利用有限元分析软件ANSYS建立了内压作用下弯管环向穿透裂纹模型,以管道外径、管道厚度、纵向裂纹角、裂纹半角、环向裂纹角为参数,对不同参数下的应力强度因子进行了计算.结果表明:应力强度因子与纵向裂纹角θ1无关;应力强度因子随裂纹半角θ的增大而增大;应力强度因子随环向裂纹角θ2的增大先减后增.依据计算结果对参数进行了无量纲化,继而拟合了内压作用下弯管环向穿透裂纹应力强度因子计算关系式.

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