Rudraprasad Bhattacharyya, Oswaldo Russian, Ozer Dereli, Mehmet Ozbey
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Damage Modeling of Storage Vessels in Liquefied Natural Gas Facilities due to Flammable Vapor Cloud Explosion
Blast analysis of a storage container inside a liquefied natural gas (LNG) facility needs rigorous finite element analysis (FEA). This paper presents a detailed method of nonlinear dynamic analysis of LNG storage vessels subjected to blast load. The explicit dynamic solver of the commercially available FEA software Abaqus is used to perform the analysis. The finite element models of the LNG storage tanks include the static fluid pressure and internal pressure. Constitutive material models include strain-rate dependent elastic-plastic material effects. Based on the results of FEA, recommendations are made for safe practice of maintaining the structural integrity of vessels subjected to vapor cloud explosion (VCE).
期刊介绍：
The Practice Periodical on Structural Design and Construction publishes articles about practical solutions to structural design problems and construction challenges of interest to practitioners. Articles may be of any length. Those reporting on small and medium-sized projects will be welcomed. Photographs are desirable; graphs, tables, and lengthy formulas are discouraged. The editors are not interested in what researchers have to say to one another; although articles must be technically sound, the overriding question in the editors" minds when considering a submission is whether the article will be of interest to a significant number of practicing engineers and contractors.
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