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Arevalo Lozano, Felix and Garcia-Fogeda Nuñez, Pablo and Climent, Hector (2010). Nonlinear Time-Domain Structure/Aerodynamics Coupling in Systems with Concentrated Structural Nonlinearities. In: "27th International congress of the aeronautical sciences", 19/09/2010 - 24/09/2010, Niza, Francia.
Title: | Nonlinear Time-Domain Structure/Aerodynamics Coupling in Systems with Concentrated Structural Nonlinearities |
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Author/s: |
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Item Type: | Presentation at Congress or Conference (Article) |
Event Title: | 27th International congress of the aeronautical sciences |
Event Dates: | 19/09/2010 - 24/09/2010 |
Event Location: | Niza, Francia |
Title of Book: | Proceedings of 27th International congress of the aeronautical sciences |
Date: | 2010 |
Subjects: | |
Faculty: | E.T.S.I. Aeronáuticos (UPM) |
Department: | Vehículos Aeroespaciales [hasta 2014] |
Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
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This paper details a practical approach for predicting the aeroelastic response (structure/aerodynamics coupling) of flexible pod/missile-type configurations with freeplay/hysteresis concentrated structural nonlinearities. The nonlinear aeroelastic response of systems in the presence of these nonlinearities has been previously studied by different authors; this paper compiles methodologies and related airworthiness regulations. The aeroelastic equations of the pod/missile configuration are formulated in state-space form and time-domain integrated with Fortran/Matlab codes developed ad hoc for dealing with freeplay/hysteresis nonlinearities. Results show that structural nonlinearities change the classical aeroelastic behaviour with appearence of non-damped motion (LCOs and chaotic motion).
Item ID: | 9503 |
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DC Identifier: | https://oa.upm.es/9503/ |
OAI Identifier: | oai:oa.upm.es:9503 |
Official URL: | http://icas2010.com/ |
Deposited by: | Memoria Investigacion |
Deposited on: | 08 Nov 2011 09:24 |
Last Modified: | 20 Apr 2016 17:53 |