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Computationalaeroacoustics
Contents Page
Preface............................................................................................................................v
Acknowledgements..........................................................................................................................vii
Surface integral methods in computational aeroacoustics—from the (CFD) near-field to the (acoustic) far-field
Anastasios S. Lyrintzis ......................................................................1
Comparison of numerical schemes for a realisticcomputational aeroacoustics benchmark problem
R. Hixon, M. Nallasamy, S. Sawyerand R. Dyson........................................................................................39
A new time domain formulation for broadband noisepredictions
J. Casper and F. Farassat............................................................57
A boundary element method for aerodynamicsand aeroacoustics of bodies in arbitrary motions
L. Morino, G. Bernardini and M. Gennaretti ..............93
A three-dimensional parallel discontinuous Galerkin solverfor acoustic propagation studies
A. Crivellini and F. Bassi ............................................................123
On the accuracy of direct noise calculations based on theEuler model
Ilya V. Abalakin, Alain Dervieuxand Tatyana K. Kozubskaya ......................................................141
Part I: Computational Methods
ii Contents
A Fourier pseudospectral method for some computationalaeroacoustics problems
Xun Huang and Xin Zhang ......................................................167
A splitting method for aeroacoustic noise predictionof low Mach number viscous flows
Young J. Moon and J. H. Seo ................................................183
Assessment of computational models for the effectof aeroelasticity on BVI noise prediction
Giovanni Bernardini, Jacopo Serafini,Sandro lanniello and Massimo Gennaretti..................199
Validation of a time domain formulation for propeller noiseprediction
Ghader Ghorbaniasl and Charles Hirsch ....................225
Hybrid RANS-LES modeling for cavity aeroacousticspredictions
Srinivasan Arunajatesan and Neeraj Sinha................243
Landing gear aerodynamic noise predictionusing unstructured grids
F. J. Souliez, L. N. Long, P. J. Morrisand A. Sharma..................................................................................275
The simulation of airframe noise applyingEuler-perturbation and acoustic analogy approaches
R. Ewert, J. W. Delfs and M. Lummer ..........................297
Wake-airfoil interaction as broadband noise source:a large-eddy simulation study
Jérôme Boudet, Nathalie Grosjeanand Marc C. Jacob........................................................................323
Numerical evidence of mode switching in the flow-inducedoscillations by a cavity
Xavier Gloerfelt, Christophe Bogeyand Christophe Bailly ................................................................347
Part II: Computational Applications
Computation of engine noise propagationand scattering off an aircraft
D. Stanescu, J. Xu, M. Y. Hussainiand F. Farassat ................................................................................375
A three-dimensional linearized Euler analysisof classical wake/stator interactions:validation and unsteady response predictions
D. Prasad and J. M. Verdon ..................................................393
Fan interaction noise predictions using RANS-BEMcoupling
C. Polacsek and S. Burguburu ..............................................421
Computation of fan noise radiation through an engineexhaust geometry with flow
S. K. Richards, X. X. Chen, X. Huangand X. Zhang ....................................................................................437
RANS and DES turbulence model predictions of noiseon the M219 cavity at M=0.85
Fred Mendonça, Richard Allenand David Kirkham ......................................................................457
Numerical investigation of high speed free shear flowinstability and Mach wave radiation
Alexey N. Kudryavtsev andDmitry V. Khotyanovsky ..........................................................475
Application of numerical and experimental techniques forthe aeroacoustic characterisation of a car rear-view mirror
Christoph Reichl, Christian Krenn, Martin Mann and Hermann Lang ......................................................................495
Sources......................................................................................................................523
Computational Aeroacoustics iii