3万立LNG储罐整体温度场及热应力分析

Numerical Simulation on the Temperature Field and Thermal Stress Distribution of the 30,000 m3 LNG Storage Tank

摘要: 采用CATIA软件建立LNG储罐二维、三维实体模型，在HYPERMESH软件里划分六面体网格，导入ANSYS软件计算分析3万立LNG储罐整体温度场及热应力分布。根据计算结果文件，总结3万立LNG储罐温度及热应力分布规律，提出LNG储罐保冷施工的关键控制点，加强对LNG储罐保冷施工质量的管理，提升了LNG施工水平。

Abstract: CATIA software is used to build two-dimensional and three-dimensional model of LNG storage tank. Hexahedral meshes are generated in HYPERMESH software and ANSYS software is imported to analyze overall temperature field and thermal stress distribution of 30,000 m3 LNG storage tank. According to analysis result file, the distribution regularities of temperature and thermal stress of 30,000 m3 LNG storage tank are concluded; key control points of cold insulation construction of LNG storage tank are highlighted; management of quality of cold insulation construction of LNG storage tank is tightened up and LNG construction level is upgraded.