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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/ | |||||||||
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| Document Type: | Conference or Workshop Item (Speech) | |||||||||
| Title: | Comparative Studies of Bird Strike by Dummy Tests and Simulations | |||||||||
| Authors: |
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| 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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