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Comparative Studies of Bird Strike by Dummy Tests and Simulations

Ritt, Stefan Andreas and Schlie, Dorothea (2022) Comparative Studies of Bird Strike by Dummy Tests and Simulations. 2. Dummy.Crashtest.Konferenz, 08.-09.09.2022, Muenster, Germany.

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Abstract

Bird strike analysis is a necessity in aircraft’s and rotorcraft’s safety certification. Artificial birds are a means to repetitively test a structure’s behaviour under this impulse transfer. However, artificial or dummy birds as a surrogate are questioned if their threat is representative in comparison with real birds. The sourcing of real birds instead requires high effort and drawbacks in terms of repeatability and ethic aspects. The background of artificial bird approaches is sketched and two approaches are characterised. The regular shaped reinforced artificial bird by DLR German Aerospace Center (DLRRAB) is compared with the biofidelic and ornithomorphic test device (OTD) by Crashtest Service (CTS) in terms of launchability, the load profile during normal impact and the breakup pattern. The applied velocities are typical for aeronautical safety testing. The conference presentation covers the first test results of biofidelic artificial birds compared with the DLRRAB and real birds under identical loading and boundary conditions. The influences on the bird dummy behaviour during testing are discussed.

Item URL in elib:https://elib.dlr.de/188832/
Document Type:Conference or Workshop Item (Speech)
Title:Comparative Studies of Bird Strike by Dummy Tests and Simulations
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Ritt, Stefan AndreasUNSPECIFIEDhttps://orcid.org/0000-0002-5330-509X
Schlie, DorotheaUNSPECIFIEDUNSPECIFIED
Date:9 September 2022
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:bird strike, impact, soft body impact, safety, aircraft, helicopter, rotorcraft, DLRRAB, biofidelic bird, artificial bird, substitute bird, bird surrogate, dummy bird, high-speed dynamics
Event Title:2. Dummy.Crashtest.Konferenz
Event Location:Muenster, Germany
Event Type:international Conference
Event Dates:08.-09.09.2022
Organizer:Crashtest Service GmbH
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Components and Systems
DLR - Research area:Aeronautics
DLR - Program:L CS - Components and Systems
DLR - Research theme (Project):L - Structural Materials and Design
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Structural Integrity
Deposited By: Ritt, Stefan Andreas
Deposited On:12 Oct 2022 09:49
Last Modified:12 Oct 2022 09:49

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