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Dimitrov, Diliana and Thormann, Reik (2013) DLM-Correction Method for Aerodynamic Gust Response Prediction. In: Proceedings "IFASD 2013". International Forum on Aeroelasticity and Structural Dynamics (IFASD), 2013-06-24 - 2013-06-26, Bristol, England.
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Abstract
In this paper, aerodynamic gust responses are presented which are calculated using the DLM-correction method iSKEM [1]. iSKEM uses quasi-steady CFD data in order to enhance the DLM-based results. Comparisons between DLM, CFD and iSKEM for a rigid 3D swept wing show that the steady-state properties of the flowfield, such as separation and recompression-shocks, should always be taken into account. Quasi-steady corrections are only sufficient in the linear range of the steady lift polar and only for small gust amplitudes. In case of high angles of attack, i.e. with flow separation, steady corrections are not sufficient. Moreover, for high gust amplitudes even at low angles of attack linear methods will not be able to calculate the actually occurring load peaks.
| Item URL in elib: | https://elib.dlr.de/83762/ | ||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||
| Title: | DLM-Correction Method for Aerodynamic Gust Response Prediction | ||||||||||||
| Authors: |
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| Date: | June 2013 | ||||||||||||
| Journal or Publication Title: | Proceedings "IFASD 2013" | ||||||||||||
| Refereed publication: | No | ||||||||||||
| Open Access: | No | ||||||||||||
| Gold Open Access: | No | ||||||||||||
| In SCOPUS: | No | ||||||||||||
| In ISI Web of Science: | No | ||||||||||||
| Status: | Published | ||||||||||||
| Keywords: | Gust, ROM, DLM, AIC-Correction, Transonic Flow | ||||||||||||
| Event Title: | International Forum on Aeroelasticity and Structural Dynamics (IFASD) | ||||||||||||
| Event Location: | Bristol, England | ||||||||||||
| Event Type: | international Conference | ||||||||||||
| Event Start Date: | 24 June 2013 | ||||||||||||
| Event End Date: | 26 June 2013 | ||||||||||||
| Organizer: | Royal Aeronautical Socieaty | ||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||
| HGF - Program: | Aeronautics | ||||||||||||
| HGF - Program Themes: | Aircraft Research (old) | ||||||||||||
| DLR - Research area: | Aeronautics | ||||||||||||
| DLR - Program: | L AR - Aircraft Research | ||||||||||||
| DLR - Research theme (Project): | L - Simulation & Validation (old) | ||||||||||||
| Location: | Göttingen | ||||||||||||
| Institutes and Institutions: | Institute of Aeroelasticity Institute of Aeroelasticity > Aeroelastic Simulations | ||||||||||||
| Deposited By: | Friedewald, Diliana | ||||||||||||
| Deposited On: | 15 Aug 2013 11:02 | ||||||||||||
| Last Modified: | 24 Apr 2024 19:50 |
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