Journal
JOURNAL OF FLUIDS AND STRUCTURES
Volume 54, Issue -, Pages 802-822Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jfluidstructs.2015.01.014
Keywords
Water impact; Energy loss; Free-surface flow; Smoothed Particle Hydrodynamics; Level-Set; Finite Volume Method
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Funding
- French Region Pays de la Loire [2012-12072]
- LHEEA Lab. of Ecole Centrale Nantes, France [ANR-10-LABX-19-01]
- Flagship Project RITMARE - The Italian Research for the Sea
- Italian Ministry of Education, University and Research within National Research Program
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In the present work the simulation of water impacts is discussed. The investigation is mainly focused on the energy dissipation involved in liquid impacts in both the frameworks of the weakly compressible and incompressible models. A detailed analysis is performed using a weakly compressible Smoothed Particle Hydrodynamics (SPH) solver and the results are compared with the solutions computed by an incompressible mesh-based Level-Set Finite Volume Method (LS-FVM). Impacts are numerically studied using single-phase models through prototypical problems in 1D and 2D frameworlcs. These problems were selected for the conclusions to be of interest for, e.g., the numerical computation of the flow around plunging breaking waves. The conclusions drawn are useful not only to SPH or LS-FVM users but also for other numerical models, for which accurate results on benchmark test-cases are provided. (C) 2015 Elsevier Ltd. All rights reserved.
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