In this paper, a numerical procedure and an analytical work have simulated Sloshing of liquid in a tanker. With the numerical procedure, one of the most appropriate Finite Volume methods called VOF (Volume Of Fluid) method, which is a pressure-based algorithm for solving Navier-Stokes equations, has been presented for tracking the flow in containers. In this simulation, a non-orthogonal mesh with collocated formulation has been used. For the analytical work, the Pendulum Model has also been applied to simulation of the sloshing of liquid. This model is a cost effective tool for the simulation of sloshing. The results of this simulation for a tanker truck containing liquid fuel with different free surfaces have been compared with each other and with published results of another numerical method.

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