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Validation of damage modelling in composite fuselage structures under high velocity impact

Johnson, Alastair and Toso-Pentecôte, Nathalie and Kilchert, Sebastian (2013) Validation of damage modelling in composite fuselage structures under high velocity impact. CEAS Aeronautical Journal. Springer. ISSN 1869-5590

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Abstract

The paper discusses FE simulation methods in use for predicting impact damage in advanced composite structures. Before these simulation tools are accepted by the industry for design and certification of composite aircraft structures, composites damage models have to be developed, implemented in commercial FE codes and validation studies at specimen and substructure level have to be performed. For vulnerability analysis the DLR uses meso-scale composites ply damage models with an energy based delamination failure criteria in explicit FE codes to study damage progression in composite structures under impact. The methods developed are summarised in the paper and applied to predict impact damage in stiffened aircraft panels and novel foldcore sandwich structures from hard debris. Issues concerned with use of such computational methods for certification by analysis are discussed.

Item URL in elib:https://elib.dlr.de/80653/
Document Type:Article
Title:Validation of damage modelling in composite fuselage structures under high velocity impact
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Johnson, Alastairalastair.johnson (at) dlr.deUNSPECIFIED
Toso-Pentecôte, Nathalienathalie.toso (at) dlr.deUNSPECIFIED
Kilchert, Sebastiansebastian.kilchert (at) dlr.deUNSPECIFIED
Date:March 2013
Journal or Publication Title:CEAS Aeronautical Journal
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Editors:
EditorsEmail
Henke, Prof. R.VO-L
Publisher:Springer
Series Name:CEAS Aeronautical Journal
ISSN:1869-5590
Status:Accepted
Keywords:Composite damage, delamination models, FE code developments, stiffened aircraft panels, foldcore sandwich panels, simulation of impact damage, certification by analysis
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures & Materials (old)
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Structural Integrity
Deposited By: Toso, Dr.-Ing. Nathalie
Deposited On:30 Jan 2014 11:21
Last Modified:29 Jun 2015 03:03

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