Enabling off-design linearised aerodynamics analysis using Krylov subspace recycling technique
The major computational challenge, when using frequency domain linearised computational
fluid dynamics in the analysis of aeroelastic problems such as aircraft flutter, gust response …
fluid dynamics in the analysis of aeroelastic problems such as aircraft flutter, gust response …
Frequency-domain gust response simulation using computational fluid dynamics
P Bekemeyer, R Thormann, S Timme - AIAA Journal, 2017 - arc.aiaa.org
The numerical investigation of dynamic responses to atmospheric turbulence is an important
task during the aircraft design and certification process. Efficient methods are desirable …
task during the aircraft design and certification process. Efficient methods are desirable …
Rapid gust response simulation of large civil aircraft using computational fluid dynamics
P Bekemeyer, R Thormann, S Timme - The Aeronautical Journal, 2017 - cambridge.org
Several critical load cases during the aircraft design process result from atmospheric
turbulence. Thus, rapidly performable and highly accurate dynamic response simulations …
turbulence. Thus, rapidly performable and highly accurate dynamic response simulations …
[PDF][PDF] Krylov subspace recycling for linearised aerodynamics analysis using DLR-TAU
The major computational challenge, when using frequency domain linearised computational
fluid dynamics in the analysis of aeroelastic problems such as aircraft flutter, gust response …
fluid dynamics in the analysis of aeroelastic problems such as aircraft flutter, gust response …
Nonlinear airfoil limit cycle analysis using continuation method and filtered impulse function
In this study, an adaptive step size control algorithm incorporated in the continuation method
(CM) is developed and combined with the filtered impulse function method based on …
(CM) is developed and combined with the filtered impulse function method based on …
Quasi-steady doublet-lattice correction for aerodynamic gust response prediction in attached and separated transonic flow
D Friedewald, R Thormann, C Kaiser… - CEAS Aeronautical …, 2018 - Springer
A quasi-steady doublet-lattice correction method is used to predict aerodynamic gust
responses of two different configurations: a swept wing, the so-called Aerostabil wing, and a …
responses of two different configurations: a swept wing, the so-called Aerostabil wing, and a …
Time-Linearized Forced Response Analysis of a Counter Rotating Fan: Part I—Theoretical Concept of a Fully Time-Linear Forced Response Analysis
M Blocher… - … Expo: Power for …, 2014 - asmedigitalcollection.asme.org
From 2010 to 2013, several institutes of the German Aerospace Center investigated a
counter rotating fan arrangement called CRISP2. While having efficiency advantages over …
counter rotating fan arrangement called CRISP2. While having efficiency advantages over …
Efficient aerodynamic derivative calculation in three-dimensional transonic flow
R Thormann, S Timme - The Aeronautical Journal, 2017 - cambridge.org
One key task in computational aeroelasticity is to calculate frequency response functions of
aerodynamic coefficients due to structural excitation or external disturbance. Computational …
aerodynamic coefficients due to structural excitation or external disturbance. Computational …
Linearised Frequency Domain Gust Analysis of Large Civil Aircraft
P Bekemeyer, R Thormann… - Proceedings of the VII …, 2016 - livrepository.liverpool.ac.uk
Predicting loads due to atmospheric turbulence is crucial in the aircraft design and
certification process. Efficient methods are important regarding the large number of …
certification process. Efficient methods are important regarding the large number of …
Prediction of transonic flutter behavior of a supercritical airfoil using reduced order methods
NK Banavara, D Dimitrov - New Results in Numerical and Experimental …, 2014 - Springer
The flutter behavior of a supercritical airfoil is investigated using a panel formulation, which
solves the subsonic unsteady linearized small-disturbance integral equations. Linear …
solves the subsonic unsteady linearized small-disturbance integral equations. Linear …