Abstract
To investigate the accuracy and the scope of application of the QS method in transient liquid sloshing, 3 different tanks are selected as the research object. The liquid fill level is set at 0.6 and the constant lateral acceleration changes from 0.1 g to 0.4 g. The transient liquid sloshing is simulated by FLUENT and the relevant QS results are solved at the same conditions. The mean and maximum values for transient liquid sloshing effect are compared with the corresponding QS results. It was found that the mean values in a cycle are quite close to the QS calculation results. Furthermore, the QS method can only be used when the external excitation is constant and smaller. For lateral acceleration which is constant but large, and time-variation ones, the QS method is not suitable.
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