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Design and modelling of composite structures under high velocity impact

Johnson, A. and Holzapfel, M. (2002) Design and modelling of composite structures under high velocity impact. HGF-Workshop "Schwarzer Rumpf", Braunschweig, 24 Oktober 2002.

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Abstract

The paper describes recent progress on materials modelling and numerical simulation of impact damage in fibre reinforced composite structures. This contributes to an important Workshop theme, namely the development of fast, reliable design tools for evaluating and later certifying composite fuselage structures under complex load conditions. The work is based on the application of finite element (FE) analysis codes to simulte composite shell structures under impact loads. An improved composites ply damage mechanics model and interply delamination model have been implemented in an explicit FE code which was used to predict impact damage in shell structures. The failure models and code developments are validated by comparing numerical simulations with gas gun impact test data on idealised composite aircraft structures such as cylindrical shells and sandwich panels.

Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=2003,
Title:Design and modelling of composite structures under high velocity impact
Authors:
AuthorsInstitution or Email of Authors
Johnson, A.UNSPECIFIED
Holzapfel, M.UNSPECIFIED
Date:2002
Status:Published
Keywords:composites structures, modelling, impact
Event Title:HGF-Workshop "Schwarzer Rumpf", Braunschweig, 24 Oktober 2002
Organizer:DLR
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
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 22:31

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