基于实体模型的低温液体储罐有限元结构分析

化工学报 ›› 2010, Vol. 61 ›› Issue (5): 1107-1111.

基于实体模型的低温液体储罐有限元结构分析

毛雪东，张杰，周凯崧，王明富

北京航天发射技术研究所

出版日期:2010-05-05 发布日期:2010-05-05

Analysis on finite element structure of low temperature liquid tank based on solid model

MAO Xuedong，ZHANG Jie，ZHOU Kaisong，WANG Mingfu

Online:2010-05-05 Published:2010-05-05

摘要/Abstract

摘要：

根据低温液体储罐的结构特点，完成了30 m³低温储罐三维实体模型，并选取实体模型结构中可靠性最弱部位作为分析对象，通过有限元分析软件ABAQUS建立了两种结构分析模型，对该结构满载时的应力和位移进行对比分析，依据JB 4732—95校核材料强度，验证了基于实体模型进行有限元结构分析的可行性和简洁性，根据分析结果提出了分析模型简化方案和结构改进措施。

关键词:

实体模型, 低温液体储罐, 结构分析, 分析模型

Abstract:

According to its structural characteristics, the design of 3-D solid model for a low temperature liquid tank is completed.The weakest part of the structure is selected as the object for analysis.Two models for the analysis are presented based on finite element software ABAQUS, which is used for the contrastive analysis on the stress and displacement of the structure with full loading.The strength of the material is checked according to JB 4732—95, a standard for steel pressure vessels, which confirms that the finite element structure analysis based on the solid model is feasible and simple.The simplification for the model and the improvement on the structure are presented according to the result.

Key words:

实体模型, 低温液体储罐, 结构分析, 分析模型

毛雪东, 张杰, 周凯崧, 王明富. 基于实体模型的低温液体储罐有限元结构分析 [J]. 化工学报, 2010, 61(5): 1107-1111.

MAO Xuedong, ZHANG Jie, ZHOU Kaisong, WANG Mingfu. Analysis on finite element structure of low temperature liquid tank based on solid model[J]. CIESC Journal, 2010, 61(5): 1107-1111.

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