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ank of a real sized ship oscillating regularly and irregularly are
Finite difference method
computed to verify the possibility of practical application of the present method.
Impact pressure 2010 Elsevier Ltd. All rights reserved.
1. Introduction damage caused by dynamic force. However, nowadays supple-
mentary use of numerical methods is common in order to save the
If a liquid container undergoes accelerated motions, the accel- time and cost for the estimation of the forces in the initial
erations of the container act on the liquid like a body force. design stage.
Consequently, liquid in the container moves according to the Studies on the sloshing phenomena can be classiﬁed as theore-
changes in the direction and magnitude of acceleration, and such tical, experimental and numerical analysis method. Application of
movements of the ﬂuid are called sloshing phenomena. Studies on the theoretical method is mostly conﬁned to rectangular tanks that
sloshing phenomena were initiated in the 1960s to control the do not have inclined surfaces since it lacks the ability to process
trajectory of rockets with liquid fuel tanks. When a ship carrying information when the free surface reaches to the top of the tank.
liquid cargo is on her voyage in wavy seas, sloshing may also occur Therefore, theoretical methods are applied for the computation of
in her liquid tank becau