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焊制斜三通应力的有限元分析 被引量:1

Finite Element Analysis for Stress of Oblique Tee Joint
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摘要 利用ANSYS11.0有限元软件对内压以及内压弯矩联合作用下斜三通的应力进行计算,并对计算结果进行分析,得到斜三通锐角侧应力的分布规律。结果表明:内压下斜三通锐角侧肩部内壁应力比较集中;内压弯矩联合作用下三通腹部的应力水平增大迅速,甚至会高于肩部应力。因此肩部和腹部均为危险区域,更容易出现裂纹,为工程安全评定及配管设计提供参考。 The stress of oblique tee joint subjected to internal pressure solely and the combination of internal pressure and moment were calculated by ANSYS !1.0. Analysis of the calculation results can get stress distribution law for acute angle side of oblique tee joint. The simulation results show that when subjected to internal pressure solely, the stress fl)euses at the inner wall of the shoulder; when subjected to the combination of internal pressure and moment, the stress at the part of belly increases rapidly, even higher than the stress at the shoulder. So the two positions are dangerous and easy to generate cracks, the analysis provides a reference for engineering safety assessment and piping design.
出处 《轻工机械》 CAS 2013年第6期62-65,共4页 Light Industry Machinery
关键词 斜三通 有限元 内压弯矩 应力分布 oblique tee joint finite element internal pressure and moment stress distribution
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