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化学工业与工程 2022, Vol. 39 Issue (3) :117-126    DOI: 10.13353/j.issn.1004.9533.20210320
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优筋布置矩形箱体应力及变形分析
张帅, 李庆生
南京工业大学机械与动力工程学院, 南京 211816
Stress and deformation analysis of rectangular tank with optimal reinforcement arrangement
ZHANG Shuai, LI Qingsheng
School of Mechanical and Power Engineering, Nanjing Technology University, Nanjing 211816, China

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摘要 针对工业生产中矩形箱体笨重、加筋结构布置设计欠佳的问题,采用ANSYS APDL语言对矩形箱体进行静压工况下应力及变形分析。选取6因素5水平正交试验方案,以矩形箱体最大一次应力S1max、最大等效应力S2max以及最大变形量Δmax作为试验指标,侧壁加强铁间距A、宽度B及厚度C,端壁加强铁间距D、宽度E及厚度F作为试验因素,结合矩阵分析法获得加强筋的优筋布置方案A4B5C5D2E5F2,并用ANSYS一阶优化算法对箱壁以及箱壁加强铁壁厚进行优化。结果表明:矩形箱体采用优筋布置后,箱体质量减少了27%。最后采用极限载荷分析法通过PT=0.1 MPa试验工况验证。
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张帅
李庆生
关键词矩形箱体   应力及变形分析   优筋布置   一阶优化   极限载荷分析法     
Abstract: For the problems caused by the bulky rectangular tank and unreasonable layout design of reinforced structure in engineering, the stress and deformation of rectangular tank are analyzed under static pressure condition by ANSYS APDL. In this paper, six factors and five levels orthogonal test scheme is adopted, in which the maximum primary stress S1max, maximum equivalent stress S2max and maximum deformation Δmax of rectangular tank are taken as test indexes, meanwhile, the spacing A, width B and thickness C of side wall reinforcing iron, and the spacing D, width E and thickness F of end wall reinforcing iron are taken as test factors, and the optimal reinforcement arrangement scheme A4B5C5D2E5F2 is obtained by combining with matrix analysis method, and is optimized by ANSYS first-order optimization algorithm. The results show that the weight of the rectangular tank is reduced by 27% after adopting the optimal reinforcement arrangement. Finally, the limit load analysis method is used to verify the test condition of PT=0.1 MPa.
Keywordsrectangular tank   stress and deformation analysis   optimal reinforcement arrangement   first order optimization   limit load analysis method     
Received 2021-03-18;
Corresponding Authors: 李庆生,副教授,E-mail:lqsh@njtech.edu.cn。     Email: lqsh@njtech.edu.cn
About author: 张帅(1993-),男,硕士研究生,从事承压设备结构完整性方面的研究。
引用本文:   
张帅, 李庆生.优筋布置矩形箱体应力及变形分析[J].  化学工业与工程, 2022,39(3): 117-126
ZHANG Shuai, LI Qingsheng.Stress and deformation analysis of rectangular tank with optimal reinforcement arrangement[J].  Chemcial Industry and Engineering, 2022,39(3): 117-126
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