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Full aircraft ditching simulation: a comparative analysis of advanced coupled fluid-structure computational methods

Langrand, Bertrand and Siemann, Martin (2018) Full aircraft ditching simulation: a comparative analysis of advanced coupled fluid-structure computational methods. International Conference on Impact Loading of Structures and Materials, 7.-11. Mai 2018, Xi' an, China. (Unpublished)

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Abstract

The communication concerns advanced numerical simulations of the transient fluid structure interaction occurring during aircraft ditching. While the structural model used the Finite Element method, either the Arbitrary Lagrangian-Eulerian or the hybrid Smoothed Particle Hydrodynamics Finite Element approaches were considered for the fluid model. Both computational methods were comprehensively compared using data of guided ditching experiments. The numerical results were satisfactory in terms of local pressures, local strains, and global force to consider further applications to full-scale structures. In this communication, these computational methods are applied to full spacecraft and aircraft (full-scale) ditching problems.

Item URL in elib:https://elib.dlr.de/123565/
Document Type:Conference or Workshop Item (Speech)
Title:Full aircraft ditching simulation: a comparative analysis of advanced coupled fluid-structure computational methods
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Langrand, BertrandONERA-DADSUNSPECIFIED
Siemann, MartinMartin.Siemann (at) dlr.dehttps://orcid.org/0000-0002-7213-0715
Date:May 2018
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Unpublished
Keywords:ditching aircraft, spacecraft, SPH, ALE, CEL, Finite Elements
Event Title:International Conference on Impact Loading of Structures and Materials
Event Location:Xi' an, China
Event Type:international Conference
Event Dates:7.-11. Mai 2018
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures and Materials
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Structural Integrity
Deposited By: Kohlgrüber, Dieter
Deposited On:29 Nov 2018 11:48
Last Modified:31 Jul 2019 20:21

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