![]() ![]() The structural design of the liquid-storage tank cannot be separated from the combination of engineering and mechanics, which represents the advanced level of the contemporary structural design. At present, the design of tanks and their components can refer to the design of pressure vessels, which are designed by either elastic-based failure criteria or plastic-based failure criteria. As important storage equipment for chemical raw materials, the safety of storage tanks has been widely concerned. With the improvement of industrial technology, the liquid-storage tank has gradually become an indispensable large cylindrical container in industrial production. The feasibility of the numerical method is verified by predicting the remaining life of the tank, which provides a simple way for fatigue life prediction of the liquid-storage tank. Remaining life of the tank is predicted through the numerical model. ![]() ![]() In addition, the analysis of stress distribution of liquid-storage tank is carried out and the influence of hoop stress on the liquid-storage tank is considered. The validity of the model is proved by comparing theoretical data with experimental data. The relationship between crack length and depth is studied based on the Paris law, and a numerical model is established. In the field of fatigue crack, crack size is a worthy topic to discuss. ![]()
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