Journal
AIP ADVANCES
Volume 11, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/5.0039016
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This paper presents a methodology to simulate the nonlinear free surface flow around an advancing ship, based on the Moving Particle Semi-implicit (MPS) method. The modified MPS method with newly proposed treatment techniques demonstrates effective application in marine engineering for simulating the flow around an advancing ship.
This paper presents a methodology to simulate the nonlinear free surface flow around an advancing ship. This methodology is based on the Moving Particle Semi-implicit (MPS) method, which is widely used to simulate the incompressible fluid flow. In this paper, the original MPS method is modified in order to analyze effectively the nonlinear free surface flow around an advancing ship. Several treatment techniques are newly proposed, and the original MPS method is modified by combining these techniques with other previous research studies. The proposed techniques include the Laplacian compensation model in the region near the body boundary, the collision model between fluid particles and wall particles, and some treatments for the opened boundary. The accuracy of the modified MPS method is verified through the numerical simulations on two benchmark problems for the performance evaluation of the particle methods and on the flows around both the wedged body and model ship. The numerical results demonstrate that the modified MPS method can be effectively applied to the simulation of nonlinear free surface flow around an advancing ship in marine engineering.
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