基于ASME大型球罐有限元分析

doi:10.11949/j.issn.0438-1157.20150412

化工学报 ›› 2015, Vol. 66 ›› Issue (S1): 165-170.DOI: 10.11949/j.issn.0438-1157.20150412

基于ASME大型球罐有限元分析

于勇¹, 占双林¹, 赵慧磊²

1 中国石油集团工程设计有限责任公司北京分公司, 北京 100080;
2 北京大通日盛工程软件开发有限公司, 北京 100034

收稿日期:2015-04-02 修回日期:2015-04-07 出版日期:2015-06-30 发布日期:2015-06-30
通讯作者: 赵慧磊

ASME large spherical tank based on finite element analysis

YU Yong¹, ZHAN Shuanglin¹, ZHAO Huilei²

1 Chinese Petroleum Engineering Co., Ltd. Beijing Branch, Beijing 100080, China;
2 Beijing Dtrising Software Co., Ltd., Beijing 100034, China

Received:2015-04-02 Revised:2015-04-07 Online:2015-06-30 Published:2015-06-30

摘要/Abstract

摘要：

利用有限元分析软件ANSYS对4000 m³大型球罐进行整体建模, 对其在不同操作工况下进行应力分析。同时研究球罐模型的建模方法、各种载荷的施加方法, 并采用ASME规范对球罐支柱和球壳连接处等多个部位进行应力评定, 总结出完整的应力分析方法, 从而为球罐的结构设计提供指导。经计算, 组合工况, 自重+设计压力+25%风载荷+地震载荷应力结果最大, 球壳上最大应力点发生在支柱与球壳连接处的最高点。球罐的最大应力值发生在支撑和球壳的连接部位, 说明支撑与球壳的连接处是薄弱点, 设计时应给予关注, 增加支柱与球壳连接长度能有效降低应力集中水平。

关键词: 大型球罐, 长圆形结构, 计算机模拟, 数值分析, 优化设计

Abstract:

The project requires a ASME code for design of America, this research based on the finite element analysis method, the stress analysis of the 4000 m³ large spherical tank, to America ASME-Ⅷ-2 standard as the basis for stress evaluation, provide guidance for the structure design of spherical tank. The design load of spherical tank in addition to design internal pressure, also including a spherical shell structure, accessories, material storage, snow static load, and the support by the counterforce of spherical tank. Consideration should also be given to the dynamic load caused by wind or earthquake. After calculation, combination: mass + design pressure +25% wind load + earthquake load stress results of maximum, the spherical shell maximum stress occurs at the highest point of junction pillar and spherical shell. The value of the maximum stress occurs at the connecting part of supporting and spherical shell. The connection point of the supporting and spherical shell is a weak point, attention should be given to the design time, increasing the length of pillar and spherical shell can effectively reduce the stress concentration.

Key words: large spherical tank, long circular structure, computer simulation, numerical analysis, optimal design

中图分类号:

TB472

于勇, 占双林, 赵慧磊. 基于ASME大型球罐有限元分析[J]. 化工学报, 2015, 66(S1): 165-170.

YU Yong, ZHAN Shuanglin, ZHAO Huilei. ASME large spherical tank based on finite element analysis[J]. CIESC Journal, 2015, 66(S1): 165-170.

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基于ASME大型球罐有限元分析

ASME large spherical tank based on finite element analysis

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