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弯矩下含肩部穿透裂纹接管应力强度因子研究
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Indexed by:期刊论文

Date of Publication:2011-01-25

Journal:石油化工设备

Included Journals:ISTIC

Volume:40

Issue:1

Page Number:10-13

ISSN No.:1000-7466

Key Words:接管;应力强度因子;穿透裂纹;肩部裂纹;有限元

Abstract:在弯矩作用下,含裂纹接管的应力强度因子研究鲜见报道,其研究结果对丰富缺陷压力容器的安全评定具有重要的意义.采用三维有限元方法,对含肩部穿透裂纹接管在弯矩作用下裂纹的应力强度因子KIM进行计算和分析.研究结果表明,弯矩与KIM呈线性关系,裂纹长度越大,KIM越大;接管和容器的壁厚增加、容器开孔增大,KIM均减少.同时给出了KIM拟合式和KIM与各参数关系以用于对此类缺陷的安全评定.

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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

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