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| Mouftah, Hussein T. |
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| Dugay, Fabrice |
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| Rettenmeier, Max |
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| Tomasch, Ernst | Graz |
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| Cornaggia, Greta |
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| Palacios-Navarro, Guillermo |
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| Uspenskyi, Borys V. |
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| Werbińska-Wojciechowska, Sylwia |
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| Eskandari, Aref |
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| Gulliver, J. |
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| Loft, Shayne |
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| Kud, Bartosz |
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| Matijošius, Jonas | Vilnius |
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| Barbosa, Juliana |
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Friedewald, Diliana
Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2020Numerical Simulations on Unsteady Nonlinear Transonic Airfoil Flowcitations
- 2017Quasi-steady doublet-lattice correction for aerodynamic gust response prediction in attached and separated transonic flowcitations
- 2017Comparison of Nonlinear CFD with Time-Linearized CFD and CFD-Corrected DLM for Gust Encounter Simulations
- 2017Comparison of Nonlinear CFD with Time-Linearized CFD and CFD-Corrected DLM for Gust Encounter Simulations
- 2016Aeroelastic Gust Load Prediction based on Time-Linearized RANS Solutions
- 2016DLR Project Digital-X: towards virtual aircraft design and flight testing based on high-fidelity methodscitations
- 2014"DLR-Projekt Digital-X" Auf dem Weg zur virtuellen Flugzeugentwicklung und Flugerprobung auf Basis höherwertiger Verfahren
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conferencepaper
Comparison of Nonlinear CFD with Time-Linearized CFD and CFD-Corrected DLM for Gust Encounter Simulations
Abstract
In this paper the multi-disciplinary simulation of unsteady flight maneuvers is carried out using reduced-order models (ROM) based on Reynolds Averaged Navier-Stokes (RANS) solutions. The analysis of gust encounters on the NASA Common Research model (CRM), a typical transport aircraft configuration, at transonic speed is conducted for two approaches employing time-linearized CFD and CFD-corrected DLM. The results are compared to nonlinear CFD and DLM simulations. The numerical prediction of gust loads requires the coupling of the disciplines aerodynamics, structural dynamics and flight mechanics. The aeroelastic coupling is realized in the frequency domain and in the time domain in terms of generalized coordinates employing a fluid-structure feedback loop.
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