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Friedewald, Diliana
Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)
in Cooperation with on an Cooperation-Score of 37%
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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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article
Quasi-steady doublet-lattice correction for aerodynamic gust response prediction in attached and separated transonic flow
Abstract
A quasi-steady doublet-lattice correction method isused to predict aerodynamic gust responses of two differentconfigurations: a swept wing, the so-called Aerostabil wing,and a transport aircraft configuration, the NASA CommonResearch Model. The results of the correction method arecompared to uncorrected doublet-lattice results, and to results obtained from a nonlinear computational fluid dynamics solver, the DLR TAU-Code. The correction method agrees well with time-marching results obtained by TAU in the limit of dynamically linear gust amplitudes and improves with gust length. In separated transonic flow, an oscillation of the aerodynamic gust response can be computed.
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