15–16 Oct 2020
Online
Europe/Rome timezone

Simulating hydroelastic slamming by coupled Lagrangian-FDM and FEM

15 Oct 2020, 14:00
30m
Online

Online

Paper Seakeeping, Hydrodynamics Planing Hull Hydrodynamics 1

Speaker

Dr Josip Basic (University of Split)

Description

Hydroelastic effects during slamming of high-speed marine vehicles affect the development of the pressure along their bottom. The aim of this study is to investigate coupling process of a novel CFD method and a FEM structural solver for simulation of hydroelastic slamming. As slamming is characterised by violent and strongly nonlinear fluid–structure interaction, the flow solver is based on a Lagrangian, volume–conservative, second–order accurate method, meshless FDM. Rhoxyz fluid solver is coupled to CalculiX structural solver, through a partitioned bidirectional coupling tool, preCICE. After the validation of coupling using a dam break experiment, the effect of hydroelasticity in slamming is studied by analysing the pressure and deformations of the structure during water entries of a deformable symmetrical wedge with low angle of deadrise.

Primary authors

Mrs Martina Andrun (University of Split) Dr Josip Basic (University of Split) Prof. Branko Blagojevic (University of Split) Mr Branko Klarin (Department of Mechanical Engineering and Naval Architecture, University of Split)

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