AERO-ACOUSTIC SOURCE ANALYSIS OF LANDING GEAR NOISE VIA DYNAMIC MODE DECOMPOSITION

In this paper, we apply dynamic mode decomposition (DMD) on time accurate simulationsof the pressure distribution on a realistic full-scale noselanding gear configuration in order toidentify noise ...

[1]  F. Thiele,et al.  Detached-Eddy Simulation of Landing-Gear Noise , 2013 .

[2]  Luc Mongeau,et al.  An acoustic analogy formulation for moving sources in uniformly moving media , 2011, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences.

[3]  Yueping Guo,et al.  A statistical model for landing gear noise prediction , 2003 .

[4]  Martin R. Fink Airframe Noise Prediction Method , 1977 .

[5]  I. Mezić,et al.  Spectral analysis of nonlinear flows , 2009, Journal of Fluid Mechanics.

[6]  Laurent Sanders,et al.  Hybrid CAA solutions for nose landing gear noise , 2012 .

[7]  P. Schmid,et al.  Dynamic mode decomposition of numerical and experimental data , 2008, Journal of Fluid Mechanics.

[8]  Leonard V. Lopes,et al.  Increased Fidelity in Prediction Methods For Landing Gear Noise , 2006 .

[9]  D. L. Hawkings,et al.  Sound generation by turbulence and surfaces in arbitrary motion , 1969, Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences.

[10]  W. E. Zorumski Aircraft noise prediction program theoretical manual, part 1 , 1982 .