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Crashworthiness of Helicopters on Water:Test and Simulation of a Full-scale WG30 Impacting on Water

Pentecôte, N. and Vigliotti, A. (2003) Crashworthiness of Helicopters on Water:Test and Simulation of a Full-scale WG30 Impacting on Water. International Journal of Crashworthiness, 8 (6), pp. 559-572.

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Abstract

This paper deals with the test and simulation of a full-scale WG30 helicopter impacting on water with a vertical velocity of 8 m/s. The first part is devoted to the test preparation and experimental data measured at CIRA. The instrumentations of the test specimen and the test conditions are briefly discussed. After an overall description of the impact sequence, quantitative test results including acceleration on the floor and pressure time histories as well as measurements on an anthropomorphic test dummy are presented. Finally, pictures showing the main damage complete the description of the tested structure. The second part of the paper focuses on the first finite element simulation performed at DLR of the impact under the real test conditions. After a description of the FE model, it is shown that the calculated and observed deformations of the structure correlate well. Finally, calculated and measured time histories including accelerations and pressures are compared and the problem of predicting measured pressure peaks with FE tools is discussed.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=2004,
Title:Crashworthiness of Helicopters on Water:Test and Simulation of a Full-scale WG30 Impacting on Water
Authors:
AuthorsInstitution or Email of Authors
Pentecôte, N.UNSPECIFIED
Vigliotti, A.CIRA
Date:2003
Journal or Publication Title:International Journal of Crashworthiness
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:8
Page Range:pp. 559-572
Status:Published
Keywords:/structure interaction; Crash Test on water; Full-scale Simulation
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Rotorcraft
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft 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 13:17

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