Abstract
In the event of a material leak in an atmospheric steel tank farm, it is likely to cause a fire and explosion, leading to an escalation of secondary accidents. According to the historical domino accident data to analyze the accident characteristics, the explosion phenomenon is common in atmospheric pressure steel storage tank accidents, and the coupling phenomenon is obvious. However, there is a dearth of research on multiple explosions in steel storage tank farms. This paper investigates the dynamic response of an atmospheric pressure storage tank under the coupling effect of simultaneous detonation of two explosive wave sources. With the help of finite element analysis software to establish a simplified model of the tank under the action of two sources of blast wave coupling, to explore the propagation law of the blast wave scenario and the dynamic response process of the tank. The deformation damage of the tanks by the angular size of the blast load is revealed, and the structural energy changes are analyzed. The study of the dynamic response of steel tanks under the dual-source explosion scenario can provide a theoretical reference basis for quantitative damage in realistic scenarios.
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