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Numerical simulation of wave impact on a rigid wall using a two-phase compressible SPH method

Abstract : In this paper, an SPH method based on the SPH--ALE formulation is used for modelling two-phase flows with large density ratios and realistic sound speeds. The SPH scheme is further improved to circumvent the tensile instability that may occur in the SPH simulations. The two-phase SPH solver is then used to model a benchmark problem of liquid impact on a rigid wall. The results are compared with an incompressible Level Set solver. Furthermore, a wave impact on a rigid wall with a large entrained air pocket is modelled. The SPH simulation is initialised by the output of a fully non-linear potential flow solver. The pressure distribution, velocity field and impact pressure are then analysed.
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https://hal.archives-ouvertes.fr/hal-00830054
Contributor : Denys Dutykh <>
Submitted on : Tuesday, June 4, 2013 - 1:15:43 PM
Last modification on : Friday, November 6, 2020 - 3:35:54 AM
Long-term archiving on: : Thursday, September 5, 2013 - 4:21:40 AM

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Ashkan Rafiee, Denys Dutykh, Frédéric Dias. Numerical simulation of wave impact on a rigid wall using a two-phase compressible SPH method. Procedia IUTAM, cElsevier, 2015, IUTAM Symposium on Particle Methods in Fluid Dynamics, 18, pp.123-137. ⟨10.1016/j.piutam.2015.11.013⟩. ⟨hal-00830054⟩

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