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FE-Modelling of Hydrodynamic Hull-Water Impact Loads
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Naval Systems.ORCID iD: 0000-0001-7542-3225
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Naval Systems.ORCID iD: 0000-0002-8343-5098
2007 (English)In: Proceedings of The 6th European LS-DYNA Users' Conference, 2007Conference paper, Published paper (Other academic)
Abstract [en]

This paper considers finite element modelling of the hydrodynamic loads in hull-waterimpacts. The commercial FE-code LS-DYNA is used with a multi-material arbitraryLagrangian-Eulerian formulation and a penalty contact algorithm. The great advantageof this modelling technique is that it enables the modelling of the instantaneous fluidstructureinteraction. A difficulty is however the selection of appropriate modellingparameters. A method to rationally select appropriate modelling parameters is discussedand briefly described. Convergence of the pressure distribution is presented anddiscussed. Pressure distributions and loads are favourably compared with othertheoretical methods and with experiments.

Place, publisher, year, edition, pages
2007.
Keyword [en]
Fluid-structure interaction, hydroelasticity, hull-water impact, high-speed craft, slamming, explicit finite element methods
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-73325OAI: oai:DiVA.org:kth-73325DiVA: diva2:488769
Conference
6th European LS-DYNA Users' Conference. Gothenburg, Sweden. May 29-30, 2007
Note
QC 20120523Available from: 2012-02-02 Created: 2012-02-02 Last updated: 2012-05-23Bibliographically approved

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Stenius, IvanRosén, Anders

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