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Modelling and Simulation of Water Impact

Pentecôte, N. (2000) Modelling and Simulation of Water Impact. Project Report, DLR-Interner Bericht. 435-2000/18.

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Abstract

The main objectives are the understanding of the general phenomenon of impact on water and its numerical simulation. The programs used are based on the classical Finite Element method and the smoothed particle hydrodynamics technique. The hybrid technique has been investigated using the code DRI-KRASH. In a first step, time was devoted to the comprehension and the state of the art of the knowledge concerning the general problem of impact on water. Then, finite element simulations with the explicit code PAM-CRASH of the vertical impact on water of simple rigid and non-rigid bodies were conducted. A new technique called smoothed particle hydrodynamics (SPH) was alo investigated and applied to the simulation of impact. Finally, a local/global methodology combining the finite element code PAM-CRASH and the hybrid code DRI-KRASH is described and applied to airframe water impact simulations. In order to prove its feasibility, this methodology has been applied to the simulation of the ditching of a whole aircraft structure.

Document Type:Monograph (Project Report, DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=2000,
Title:Modelling and Simulation of Water Impact
Authors:
AuthorsInstitution or Email of Authors
Pentecôte, N.UNSPECIFIED
Date:2000
Status:Published
Keywords:aircraft, numerical simulation, water impact, Finite Element, FE analysis, smoothed particle hydrodynamics, SPH, Crash, Krash, ditching
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L ST - Starrflüglertechnologien
DLR - Research theme (Project):UNSPECIFIED
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 22:17

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