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Publications
Wang, S., Guedes Soares, C., Gonzalez-Cao, J., Dominguez, J.M. and Gomez-Gesteira, M. (2021), “Numerical analysis of water impact of spheres using mesh-free and mesh-based methods”, Developments in Maritime Technology and Engineering, Guedes Soares, C. & Santos T.A., (Eds.), Taylor and Francis, London, UK, Vol 2, pp. 329-340.
The accuracy of the numerical models DualSPHysics (mesh-less model) and OpenFOAM (mesh-based model) to reproduce the impact of a solid sphere onto a still water tank is analysed by different metrics (normalized standard deviation, correlation coefficient and root-mean square error) using Taylor diagrams. These metrics were applied to the total force exerted on the sphere during the impact. The results of both numerical models converge to reference data when increasing the resolution, being the accuracy similar for both models at high spatial resolution. Therefore, this analysis suggests that mesh-less models have attained the level of maturity required to provide results with an accuracy similar to mesh-based models for this kind of problem.
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