Numerical Simulation of Failure Analysis of Storage Tank with Partition Plate and Structure Optimization

Wenxian Su and Xiao Feng
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Wenxian Su: School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
Xiao Feng: School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China

Mathematics, 2021, vol. 9, issue 24, 1-15

Abstract: Storage tanks with partition plates are widely used in the petrochemical industry. However, relevant standards do not propose corresponding design criteria and methods for this type of structure, and theoretical design formulas cannot be applied to ensure the reliability of its structure. Therefore, it is necessary to analyze and design the storage tank with a partition plate by using finite elements. This paper studies the problem of buckling depression and cracks in the welded parts of the S-shaped tank with a partition plate during its operation. We used the finite element software ANSYS to analyze the overall strength and stability of the structure and obtain the larger stress area. Based on this, a safe and economical optimization plan is proposed: under the condition of strictly controlling the liquid level difference on both sides of the partition, the tank structure is optimized by adding stiffeners and tie rods. The study revealed that the measure effectively improves the overall rigidity of the tank body and reduces the maximum stress of the structure and enhances the safety performance of storage tank. Additionally, it provides a reference for the structural strength design of storage tanks with partition plates.

Keywords: tank; clapboard; structural optimization; finite element analysis (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2021
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