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圆管受平头弹体冲击的动力响应仿真
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Indexed by:期刊论文

Date of Publication:2012-07-25

Journal:石油化工设备

Included Journals:Scopus

Volume:41

Issue:4

Page Number:32-35

ISSN No.:1000-7466

Key Words:自由圆管;悬臂管;变形模态;挠度;能量分配

Abstract:利用ANSYS/LS-DYNA建立受平头弹体冲击的自由圆管和悬臂圆管模型,采用塑性随动模型模拟非线性行为,并以最大失效应变准则来判定是否失效.考虑冲击速度v,圆管与弹体直径比Do/dm以及管道径厚比Do/δ对圆管变形的影响,对两种不同约束条件下圆管变形及冲击时的能量分配进行了分析.计算结果表明,冲击速度v和直径与厚度之比Do/δ对管道的变形影响较大,圆管与弹体的直径比Do/dm对管道变形的影响较小.

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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

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