DRIVING FORCE AND DEFORMATION ANALYSIS FOR DYNAMIC CRACK PROPAGATION IN GAS PIPELINES UNDER DIFFERENT BOUNDARY CONDITIONS

被引：0
|
作者：
Zhuang Zhuo(Department of Engineering Mechanics.Tsinghua University.Beijing 100084
机构：
来源：
ActaMechanicaSolidaSinica | 1997年 / 01期
关键词：
fracture mechanics; finite element; pipe; boundary condition;
D O I：
暂无
中图分类号：
TB121 [工程静力学];
学科分类号：
摘要：
In the light of a growing need for fracture control of rapid crack propagation(RCP)ingas pipelines,a program PFRAC(Pipeline FRacture Analysis Code)has been developed to analysethc various events.In this paper,by using PFRAC for the simulation of axial crack propagation in gaspipelines,a number of dynamic analysis issues rclating to boundary effects for uncracked and crackedpipes are investigated.This indicates that the boundary conditions along the length of the pipe play animportant role for fracture analysis in the pipe.In contrast.the boundary condutions at thc ends of along pipeline have little effect on the dynamic fracture events.
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页码：86 / 94
页数：9
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