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Publications
Xiang, G., Wang, S. and Guedes Soares, C. (2021), “Numerical prediction of hydrodynamic coefficients of a submerged object with constant acceleration method”, Developments in Maritime Technology and Engineering, Guedes Soares, C. & Santos T.A., (Eds.), Taylor and Francis, London, UK, Vol 2, pp. 119-130.
The hydrodynamic coefficients of a submerged object are predicted through constant acceleration method, which is implemented by the CFD tool OpenFOAM. The object is assumed to be fixed and passed by the downward water flow with constant acceleration. In the constant acceleration method, the added mass force can be obtained at the moment that acceleration flow just begins or disappears by subtracting the drag force from the total hydrodynamic force. The CFD predictions for a two dimensional cylinder and a three dimensional prism are compared with corresponding theoretical values and available experimental values. The good agreement indicates the capability of the CFD method into predicting the hydrodynamic coefficients of a submerged object.
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