Steady state analysis for dynamic crack propagation in gas pipelines

被引：0
|
作者：
Zhuang, Z [1 ]
O'Donoghue, PE
机构：
[1] Tsing Hua Univ, Dept Engn Mech, Beijing 100084, Peoples R China
[2] Univ Dublin Trinity Coll, Dept Civil Engn, Dublin 2, Ireland
来源：
FRACTURE AND STRENGTH OF SOLIDS, PTS 1 AND 2: PT 1: FRACTURE MECHANICS OF MATERIALS; PT 2: BEHAVIOR OF MATERIALS AND STRUCTURE | 1998年 / 145-9卷
关键词：
dynamic fracture mechanics; finite element; steady state; pipeline;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The dynamic finite element program PFRAC(Pipeline FRacture Analysis Code) is suitable for the transient analysis of Rapid Crack Propagation (RCP) in gas pipelines [1]. A facility for direct steady state analysis is not available and this greatly increases the computational effort for steady state RCP problems. To rectify this, a program for the steady state analysis is developed in this paper, This is in contrast to the transient limitation in PFRAC, where much computing time is spent on crack propagation. Comparison of deformation for the pipe shows good agreement between transient analysis and steady state RCP computations.
引用
收藏
页码：255 / 260
页数：6
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