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Summary of Recent Research Work on Crashworthy CFRP Transport Aircraft Fuselage Designs

Waimer, Matthias and Feser, Thomas and Schatrow, Paul and Schueler, Dominik (2015) Summary of Recent Research Work on Crashworthy CFRP Transport Aircraft Fuselage Designs. Aerospace Structural Impact Dynamics International Conference (ASIDIC 2015), 17.-19. Nov. 2015, Sevilla, Spanien.

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Due to their inherently brittle behavior CFRP structures demand for a specific design to achieve appropriate crash energy absorption compared to classical metallic fuselage designs. Over the last years the DLR Institute of Structures and Design was involved in a variety of research studies to assess and improve different crashworthy designs for CFRP transport aircraft fuselage sections. In this paper experimental as well as numerical studies on two different crashworthy designs are presented. The first concept aims to absorb the crash energy by crushing of CFRP components below a reinforced cargo cross beam in combination with further energy absorbing devices in the lower side shell. The feasibility of this concept was in the meantime proven by tests on coupon and structural element level. An alternative crash concept making use of energy absorption in so-called tension absorbers in the passenger and cargo floor structure was developed and assessed with the focus on a reduction of structural mass in combination with improved concept robustness.

Item URL in elib:https://elib.dlr.de/101381/
Document Type:Conference or Workshop Item (Speech)
Title:Summary of Recent Research Work on Crashworthy CFRP Transport Aircraft Fuselage Designs
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Date:17 November 2015
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Transport aircraft; crashworthiness; composite material; finite element simulation; dynamic testing; crushing absorption; tension absorption; bearing failure
Event Title:Aerospace Structural Impact Dynamics International Conference (ASIDIC 2015)
Event Location:Sevilla, Spanien
Event Type:international Conference
Event Dates:17.-19. Nov. 2015
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 (old)
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Structural Integrity
Deposited By: Waimer, Matthias
Deposited On:13 Jan 2016 15:51
Last Modified:10 May 2016 23:39

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