Publications

Lists updated 11 January 2017.

Papers

Journal articles


[1]     S. Sack, M. Åbom and G. Efraimsson. "On Acoustic Multi-Port Characterisation Including Higher Order Modes," Acta Acoustica united with Acustica, vol. 192, no. 5, pp. 834-850, 2016.

[2]     G. Kreiss, B. Krank and G. Efraimsson. "Analysis of stretched grids as buffer zones in simulations of wave propagation," Applied Numerical Mathematics, vol. 107, pp. 1-17, 2016.

[3]     A. Rynell, G. Efraimsson, M. Chevalier and M. Åbom. "Acoustic characteristics of a heavy duty vehicle cooling module," Applied Acoustics, vol. 111, pp. 67-76, 2016.

[4]     C. J. O'Reilly. "Creative engineers: Is abductive reasoning encouraged enough in degree project work?," Procedia CIRP, vol. 50, pp. 547-552, 2016.

[5]     F. Majić, G. Efraimsson and C. J. O'Reilly. "Potential improvement of aerodynamic performance by morphing the nacelle inlet," Aerospace Science and Technology, vol. 54, pp. 122-131, 2016.

[6]     C. J. O'Reilly, P. Göransson, A. Funazaki, T. Suzuki, S. Edlund, C. Gunnarsson, J. Lundow, P. Cerin, C. J. Cameron, P. Wennhage and J. Potting. "Life-cycle energy optimisation: A proposed methodology for integrating environmental considerations early in the vehicle engineering design process," Journal of Cleaner Production, vol. 135, pp. 750-759, 2016.

[7]     N. Pignier, C. O'Reilly and S. Boij. "Aerodynamic and aeroacoustic analyses of a submerged air inlet in a low-Mach-number flow," Computers & Fluids, vol. 133, pp. 15-31, 2016.

[8]     V. Nair, E. Alenius, S. Boij and G. Efraimsson. "Inspecting sound sources in an orifice-jet flow using Lagrangian coherent structures," Computers & Fluids, vol. 140, pp. 397-405, 2016.

[9]     A. Rynell, G. Efraimsson, M. Chevalier and M. Åbom. "Inclusion of Upstream Turbulent Inflow Statistics to Numerically Acquire Proper Fan Noise Characteristics," 9th International Styrian Noise, Vibration and Harshness Congress: The European Automotive Noise Conference, ISNVH 2016, 22 June 2016 through 24 June 2016, vol. 2016-June, no. June, 2016.

[10]   N. Winkler, L. Drugge, A. Stensson Trigell and G. Efraimsson. "Coupling aerodynamics to vehicle dynamics in transient crosswinds including a driver model," Computers & Fluids, vol. 138, pp. 26-34, 2016.

[11]   L. Carbonne, G. Efraimsson and N. Winkler. "Use of Full Coupling of Aerodynamics and Vehicle Dynamics for Numerical Simulation of the Crosswind Stability of Ground Vehicles," SAE International Journal of Commercial Vehicles, vol. 9, no. 2, pp. 359-370, 2016.

[12]   M. A. Temiz, I. L. Arteaga, G. Efraimsson, M. Åbom and A. Hirschberg. "The influence of edge geometry on end-correction coefficients in micro perforated plates," Journal of the Acoustical Society of America, vol. 138, no. 6, pp. 3668-3677, 2015.

[13]   A. Holmberg, A. Kierkegaard and C. Weng. "A frequency domain linearized Navier-Stokes method including acoustic damping by eddy viscosity using RANS," Journal of Sound and Vibration, vol. 346, pp. 229-247, 2015.

[14]   O. Kårekull, G. Efraimsson and M. Åbom. "Revisiting the Nelson-Morfey scaling law for flow noise from duct constrictions," Journal of Sound and Vibration, vol. 357, pp. 233-244, 2015.

[15]   N. J. Pignier, C. J. O'Reilly and S. Boij. "A Kirchhoff approximation-based numerical method to compute multiple acoustic scattering of a moving source," Applied Acoustics, vol. 96, pp. 108-117, 2015.

[16]   C. J. O'Reilly. "A wave expansion method for acoustic propagation in lined flow ducts," Applied Acoustics, vol. 90, pp. 54-63, 2015.

[17]   C. J. O'Reilly and H. J. Rice. "Investigation of a jet-noise-shielding methodology," AIAA Journal, vol. 53, no. 11, pp. 3286-3296, 2015.

[18]   A. H. Herbst, T. W. Muld and G. Efraimsson. "Aerodynamic prediction tools for high-speed trains," International Journal of Rail transportation, vol. 2, no. 1, 2014.

[19]   O. Kårekull, G. Efraimsson and M. Åbom. "Prediction model of flow duct constriction noise," Applied Acoustics, vol. 82, pp. 45-52, 2014.

[20]   T. W. Muld, G. Efraimsson and D. S. Henningson. "Wake characteristics of high-speed trains with different lengths," Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit, vol. 228, no. 4, pp. 333-342, 2014.

[21]   H. Bodén and G. Efraimsson. "Aeroacoustics research in Europe: The CEAS-ASC report on 2012 highlights," Journal of Sound and Vibration, vol. 332, no. 25, pp. 6617-6636, 2013.

[22]   T. W. Muld, G. Efraimsson and D. S. Henningson. "Mode Decomposition and Slipstream Velocities in the Wake of Two High-Speed Trains," The international Journal of railway technology, The International Journal of Railway Technology, 2012.

[23]   T. W. Muld, G. Efraimsson and D. S. Henningson. "Flow structures around a high-speed train extracted using Proper Orthogonal Decomposition and Dynamic Mode Decomposition," Computers & Fluids, vol. 57, pp. 87-97, 2012.

[24]   A. Kierkegaard, S. Allam, G. Efraimsson and M. Åbom. "Simulations of whistling and the whistling potentiality of an in-duct orifice with linear aeroacoustics," Journal of Sound and Vibration, vol. 331, no. 5, pp. 1084-1096, 2012.

[25]   A. Kierkegaard, S. Boij and G. Efraimsson. "Simulations of the scattering of sound waves at a sudden area expansion," Journal of Sound and Vibration, vol. 331, no. 5, pp. 1068-1083, 2012.

[26]   T. Muld, G. Efraimsson and D. S. Henningson. "Mode Decomposition on Surface-Mounted Cube," Flow Turbulence and Combustion, vol. 88, no. 3, pp. 279-310, 2012.

[27]   T. Favre and G. Efraimsson. "An Assessment of Detached-Eddy Simulations of Unsteady Crosswind Aerodynamics of Road Vehicle," Flow Turbulence and Combustion, vol. 87, no. 1, pp. 133-163, 2011.

[28]   A. Kierkegaard, S. Boij and G. Efraimsson. "A frequency domain linearized Navier-Stokes equations approach to acoustic propagation in flow ducts with sharp edges," Journal of the Acoustical Society of America, vol. 127, no. 2, pp. 710-719, 2010.

[29]   A. Kierkegaard, E. Åkervik, G. Efraimsson and D. S. Henningson. "Flow field eigenmode decompositions in aeroacoustics," Computers & Fluids, vol. 39, no. 2, pp. 338-344, 2010.

[30]   S. Tyskeng, S. Boij, G. Efraimsson, P. Wennhage, M. Berg and P. Göransson. "Ecological and economical Critera in Vehicle Design: Taking on the challenge," Public Service Review: European Union, no. 19, 2009.

[31]   S. Tyskeng, J. Jerrelind, S. Boij, G. Efraimsson, P. Wennhage, M. Berg and P. Göransson. "Centre for ECO2 Vehicle Design: vehicle design research for more environmentally friendly and economically competitive vehicles," The Vehicle Component, SVENartikel, 2008.

[32]   M. Siklosi and G. Efraimsson. "Analysis of first order errors in shock calculations in two space dimensions," SIAM Journal on Numerical Analysis, vol. 43, no. 2, pp. 672-685, 2005.

[33]   G. Kreiss and G. Efraimsson. "Approximate solutions to slightly viscous conservation laws," Quarterly of Applied Mathematics, vol. 62, no. 1, pp. 117-133, 2004.

[34]   G. Kreiss, G. Efraimsson and J. Nordstrom. "Elimination of first order errors in shock calculations," SIAM Journal on Numerical Analysis, vol. 38, no. 6, pp. 1986-1998, 2001.

[35]   G. Efraimsson. "A Remark on Numerical Errors Downstream of Slightly Viscous Shocks," SIAM Journal on Numerical Analysis, vol. 36, no. 3, pp. 853-863, 1999.

[36]   G. Efraimsson. "A numerical method for the first-order wave equation with discontinuous initial data," Numerical Methods for Partial Differential Equations, vol. 138, no. 3, pp. 353-365, 1998.

[37]   G. Efraimsson. "A 2D Analysis of the Influence of Artificial Viscosity Terms on Solutions of the Euler Equations," Journal of Computational Physics, vol. 138, no. 1, pp. 103-120, 1997.

[38]   G. Efraimsson and G. Kreiss. "A note on the effect of artificial viscosity on solutions of conservation laws," Applied Numerical Mathematics, vol. 21, pp. 155-173, 1996.

Conference papers


[39]   U. King, A. Seitz, J. Bijewitz, A. Hermanutz, L. da Rocha-Schmidt, F. Scarpa, F. Majić, G. Efraimsson and C. J. O'Reilly. "Shape adaptive technology for aircraft engine nacelle inlets," The Royal Aeronautical Society's 5th Aircraft Structural Design Conference, 2016.

[40]   A. Rasam, B. Karl and C. J. O'Reilly. "Detached-eddy simulation of a horizontal-axis wind turbine," 6th Symposium on Hybrid RANS-LES Methods, Strasbourg, France, 26 - 28 September, 2016.

[41]   R. Futrzynski, E. Alenius and G. Efraimsson. "Study of Plasma Actuator Efficiency by Simulation of the Detached Flow Over a Half-Cylinder," 8th AIAA Flow Control Conference, 2016.

[42]   F. Majić, G. Efraimsson and C. J. O'Reilly. "The influence of an adaptive nacelle inlet lip on fan noise propagation," 22nd International Congress on Acoustics, Buenos Aires, Argentina, 2016.

[43]   C. J. O'Reilly and P. Göransson. "Economic and ecological influences on the design and adoption of new vehicle concepts," 22nd International Sustainable Development Research Society Conference, vol. 2, pp. 413-420, 2016.

[44]   A. Rasam, J. D. M. Botha, B. Karl, C. J. O'Reilly, G. Efraimsson and H. J. Rice. "Aerodynamic noise prediction for a wind turbine using numerical flow simulations and semi-empirical modelling approaches," 22nd AIAA/CEAS Aeroacoustics Conference, 2016, Lyon, France, 30 May 2016 through 1 June 2016,, 2016.

[45]   J. Hammar, C. J. O'Reilly and G. Efraimsson. "Simulation of aerodynamically generated noise propagation using the wave expansion method," 22nd AIAA/CEAS Aeroacoustics Conference, 30 May - 1 June 2016, Lyon, France, 2016.

[46]   T. W. Muld, G. Efraimsson, D. S. Henningson, A. H. Herbst and A. Orellano. "Analysis of flow structures in the wake of a high-speed train," Aerodynamics of heavy vehicles III: Trucks, buses and trains, September 12-17, Potsdam, Germany, 2010, vol. 79, 2016.

[47]   W. Na, G. Efraimsson and S. Boij. "Numerical prediction of thermoacoustic instabilities with a V-Flame," 23rd International Congress on Sound and Vibration, ICSV 2016, 10 July 2016 through 14 July 2016, 2016.

[48]   N. Pignier, C. J. O'Reilly and S. Boij. "Aeroacoustic study of a submerged air inlet using an IDDES/FW-H approach and sound source modelling through direct numerical beamforming," 22nd AIAA/CEAS Aeroacoustics Conference, 2016, 30 May 2016 through 1 June 2016, 2016.

[49]   J. Hammar, C. J. O'Reilly and G. Efraimsson. "Simulation of Aerodynamically Generated Noise Propagation Using the Wave Expansion Method," 22nd AIAA/CEAS Aeroacoustics Conference, 2016.

[50]   W. Na, S. Boij and G. Efraimsson. "Acoustic characterization of a hybrid liner consisting of porous material by using a unified linearized navier-stokes approach," 22nd AIAA/CEAS Aeroacoustics Conference, 2016, 30 May 2016 through 1 June 2016, 2016.

[51]   F. Majić, G. Efraimsson and C. J. O'Reilly. "Aero-acoustic performance of adaptive nacelle inlet," 21st AIAA/CEAS Aeroacoustics Conference, 2015, 22 June 2015 through 26 June 2015, 2015.

[52]   E. Neri, J. Kennedy, G. J. Bennett, C. O'Reilly, J. Dahan, M. Esposito, M. Bruno, A. Bianco, F. Amoroso and M. Di Giulio. "Characterization of low noise technologies applied to a full scale fuselage mounted nose landing gear," 44th International Congress and Exposition on Noise Control Engineering, Internoise 2015, San Francisco, USA, vol. 3, pp. 1869-1878, 2015.

[53]   F. Majić, G. Efraimsson and C. J. O'Reilly. "Aerodynamic performance of the adaptive nacelle inlet," 33rd AIAA Applied Aerodynamics Conference, Dallas, Texas, USA, 2015.

[54]   J. Hammar, C. J. O'Reilly and G. Efraimsson. "Simulation of aerodynamically generated sound using hybrid aeroacoustic methods," 10th European Congress and Exposition on Noise Control Engineering, Euronoise, Maastricht, Netherlands, pp. 521-526, 2015.

[55]   N. Pignier, J. Dahan, C. O'Reilly and S. Boij. "Aeroacoustic analysis of a NACA duct," Euronoise 2015, 10th European Congress and Exposition on Noise Control Engineering, Maastricht, Netherlands, 2015, 2015.

[56]   O. Kårekull, G. Efraimsson and M. Åbom. "CHALLENGES AND OPPORTUNITIES FOR FLOW NOISE PREDICTION IN HVAC SYSTEMS," INTERNATIONAL CONFERENCE ON FAN NOISE, TECHNOLOGY AND NUMERICAL METHODS, 15-17 APRIL 2015 L’Espace Tête d’Or, Lyon, France, 2015.

[57]   C. J. O'Reilly and O. Dazel. "A wave expansion method for sound absorbing materials," The 22nd International Congress on Sound and Vibration, ICSV22; Florence, Italy, 12-16 July 2015, vol. 4, pp. 2797-2804, 2015.

[58]   W. Na, G. Efraimsson and S. Boij. "Prediction of thermoacoustic instabilities in combustors using linearized Navier-Stokes equations in frequency domain," 22nd International Congress on Sound and Vibration, ICSV 2015, 12 July 2015 through 16 July 2015, 2015.

[59]   G. Efraimsson, G. Kreiss and B. Krank. "Analysis of stretched grids as buffer zones in aero-acoustic simulations in two space dimensions," 22nd International Congress on Sound and Vibration, ICSV 2015, 12 July 2015 - 16 July 2015, 2015.

[60]   M. A. Temiz, I. L. Arteaga, G. Efraimsson, M. Åbom and A. Hirschberg. "Acoustic end correction in micro-perforated plates - Revisited," 21st International Congress on Sound and Vibration 2014, ICSV 2014, 13 July 2014 through 17 July 2014, pp. 1203-1209, 2014.

[61]   W. Na, S. Boij and G. Efraimsson. "Simulations of acoustic wave propagation in an impedance tube using a frequency-domain linearized navier-stokes methodology," 20th AIAA/CEAS Aeroacoustics Conference 2014, Atlanta, GA, United States, 16 June 2014 through 20 June 2014, 2014.

[62]   R. Futrzynski and G. Efraimsson. "Effect of a SDBD on the drag of a half-submerged cylinder in crossflow," ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting, FEDSM 2014, Collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels, Chicago, United States, 3 August 2014 through 7 August 2014, vol. 1C, 2014.

[63]   W. Na, G. Efraimsson and S. Boij. "Simulations of the scattering of sound waves at a sudden area expansion in a 3D duct," 21st International Congress on Sound and Vibration 2014, ICSV 2014, Beijing, China, 13 July 2014 through 17 July 2014, pp. 1420-1427, 2014.

[64]   N. Pignier, C. O'Reilly and S. Boij. "Une Méthode Numérique pour Calculer la Diffusion Acoustique d’une Source Mobile par Plusieurs Objets," CFA 2014 Poitiers, france, 22-24 April 2014, 2014.

[65]   J. A. Dahan, C. O'Reilly and G. Efraimsson. "Numerical investigation of a realistic nose landing gear," 20th AIAA/CEAS Aeroacoustics Conference, Atlanta, GA, United States, 16-20 June 2014, 2014.

[66]   C. J. O'Reilly, P. Göransson, J. Potting, C. J. Cameron and P. Wennhage. "Life-cycle energy optimisation for sustainable vehicle design," FISITA 2014 World Automotive Congress takes 2-6 June 2014 Maastricht, the Netherlands, 2014.

[67]   L. da Rocha-Schmidt, A. Hermanutz, H. Baier, A. Seitz, J. Bijewitz, A. T. Isikveren, F. L. Scarpa, G. Allegri, C. Remillat, E. Feuilloley, F. Majic, C. J. O'Reilly and G. Efraimsson. "Progress Towards Adaptive Aircraft Engine Nacelles," 29th Congress of the International Council of the Aeronautical Sciences, St. Petersburg, Russia, 7 September 2014 through 12 September 2014, 2014.

[68]   A. Rynell, G. Efraimsson, M. Chevalier and M. Åbom. "Acoustical Broadband signatures from RANS Turbulence Quantities," The 21st International Congress on Sound and Vibration, 13-17 July, 2014 Beijing, China, 2014, pp. 1541-1548, 2014.

[69]   J. Dahan, R. Futrzynski, C. O'Reilly and G. Efraimsson. "Aero-acoustic source analysis of landing gear noise via dynamic mode decomposition," 21st International Congress on Sound and Vibration, Beijing, China, vol. 2, pp. 1245-1252, 2014.

[70]   N. Winkler, L. Drugge, A. Stensson Trigell and G. Efraimsson. "Aerodynamics of road vehicles in transient cross-winds-coupling aero to vehicle dynamics," 14th Mini Conference on Vehicle System Dynamics, Identification and Anomalies, VSDIA 2014, 10 November 2014 through 12 November 2014, pp. 63-70, 2014.

[71]   R. Futrzynski, G. Efraimsson and P. H. Alfredsson. "Numerical simulation of a plasma actuator on a half-submerged cylinder," 4th International Conference on Jets, Wakes and Separated Flows, ICJWSF2013, September 17-21, 2013, Nagoya, Japan, 2013.

[72]   C. J. O'Reilly, G. Efraimsson, J. Hammar, U. Emborg and A. Persson. "An Investigation into Shock Oscillation Noise Reduction," 4th CEAS Air and Space Conference, Linköping, Sweden, 16-09-2013 - 20-09-2013, 2013.

[73]   A. Rynell, G. Efraimsson, M. Chevalier and M. Åbom. "Quiet and efficient cooling for IC-engine powered systems," 42nd International Congress and Exposition on Noise Control Engineering 2013: Noise Control for Quality of Life, INTER-NOISE 2013, 15 September 2013 through 18 September 2013, Innsbruck, Austria, pp. 5677-5686, 2013.

[74]   O. Kårekull and G. Efraimsson. "Comparison of RANS parameters for flow noise prediction," 42nd International Congress and Exposition on Noise Control Engineering 2013: Noise Control for Quality of Life, INTER-NOISE 2013; Innsbruck; Austria; 15 September 2013 through 18 September 2013, pp. 5916-5925, 2013.

[75]   A. Holmberg, A. Kierkegaard and C. Weng. "A linearized Navier-Stokes method including turbulence damping," 19th AIAA/CEAS Aeroacoustics Conference; Berlin; Germany; 27 May 2013 through 29 May 2013, 2013.

[76]   A. Kierkegaard, G. Efraimsson and A. Agarwal. "Simulations of a liner cell using a frequency-domain linearized Navier-Stokes methodology," 19th AIAA/CEAS Aeroacoustics Conference; Berlin; Germany; 27 May 2013 through 29 May 2013, 2013.

[77]   B. Krank and G. Efraimsson. "Evaluating stretched grids and introducing black hole layers as alternative non-reflecting buffer zone," 19th AIAA/CEAS Aeroacoustics Conference; Berlin; Germany; 27 May 2013 through 29 May 2013, 2013.

[78]   C. J. O'Reilly, G. Efraimsson, J. Hammar and U. Emborg. "Numerical investigation of self-sustained shock oscillation acoustics," 10th International Conference on Flow-Induced Vibration and Flow-Induced Noise, 3-6 July 2012, Dublin, Ireland, pp. 681-688, 2012.

[79]   C. J. O'Reilly. "Acoustic propagation in a lined duct using a wave expansion method," 41st International Congress and Exposition on Noise Control Engineering 2012, INTER-NOISE 2012; New York, NY; United States; 19 August 2012 through 22 August 2012, vol. 8, pp. 6577-6587, 2012.

[80]   C. J. O'Reilly, E. Alenius, G. Efraimsson and D. J. Bodony. "Aero-acoustic simulations of an orifice plate mounted in a low-Mach-number ducted flow," 18th AIAA/CEAS Aeroacoustics Conference 2012 (33rd AIAA Aeroacoustics Conference); 4 June 2012 through 6 June 2012, 2012.

[81]   A. Kierkegaard, M. Åbom and G. Efraimsson. "FREQUENCY-DOMAIN LINEARIZED NAVIER-STOKES EQUATIONS FOR FLOWDUCT COMPUTATIONAL AEROACOUSTICS," NOVEM 2012, 1-4 April, Sorrento 2012, 2012.

[82]   C. J. O'Reilly, E. Alenius, G. Efraimsson and D. J. Bodony. "Numerical simulation of flow-induced sound generation from an orifice in a low Mach number ducted flow," 17th AIAA/CEAS Aeroacoustics Conference 2011 (32nd AIAA Aeroacoustics Conference), 5 June 2011 through 8 June 2011, Portland, OR, United States, 2011.

[83]   T. Favre, G. Efraimsson and P. Elofsson. "Detached-eddy simulations for steady and unsteady crosswind aerodynamics of ground vehicles," 20th AIAA Computational Fluid Dynamics Conference 2011, 27 June 2011 through 30 June 2011, Honolulu, HI, United States, 2011.

[84]   A. Kierkegaard and G. Efraimsson. "Simulations of Duct Whistling with Nyquist Analysis and Linearized Navier-Stokes equations," 17th AIAA/CEAS Aeroacoustics Conferenc, 2011.

[85]   A. Kierkegaard, G. Efraimsson and S. Boij. "A linearized Navier-Stokes solver for the prediction of sound propagation in duct systems," 40th International Congress and Exposition on Noise Control Engineering 2011, INTER-NOISE 2011, Osaka, Japan, September 4-7 2011, pp. 248-256, 2011.

[86]   C. J. O'Reilly and H. J. Rice. "A Lighthill based jet noise model for acoustic shielding prediction," 17th International Congress on Sound and Vibration 2010, ICSV 2010; Cairo; Egypt; 18 July 2010 through 22 July 2010, pp. 558-565, 2010.

[87]   C. J. O'Reilly and H. J. Rice. "An Assessment of Jet Noise Shielding Prediction Parameters," 16th AIAA/CEAS Aeroacoustics Conference, 7-9 June 2010 Stockholm, Sweden, 2010.

[88]   A. Kierkegaard, S. Boij and G. Efraimsson. "Simulations of acoustic scattering in duct systems with flow," 20th International Congress on Acoustics 2010, ICA 2010 - Incorporating the 2010 Annual Conference of the Australian Acoustical Society; Sydney, NSW; Australia; 23 August 2010 through 27 August 2010, pp. 186-191, 2010.

[89]   A. Kierkegaard, G. Efraimsson, S. Boij and M. Åbom. "Simulations of the Whistling Potentiality of an In-Duct Orifice with Linear Aeroacoustics," 16th AIAA/CEAS Aeroacoustics Conference, Stockholm, Sweden, June 7-9, 2010, 2010.

[90]   G. Efraimsson, N. Forsberg and J. Nordström. "Simulations of Acoustic Waves in a Turbo-Fan Engine Air Intake," 16th AIAA/CEAS Aeroacoustics Conference, Stockholm, Sweden, June 7-9, 2010, 2010.

[91]   A. Kierkegaard and G. Efraimsson. "A Numerical Investigation of Interpolation Methods for Acoustic Analogies," 16th AIAA/CEAS Aeroacoustics Conference, Stockholm, Sweden, June 7-9, 2010, 2010.

[92]   T. Favre and G. Efraimsson. "Numerical study of design alterations affecting the crosswind characteristics of a generic road vehicle model," Eighth World MIRA International Vehicle Aerodynamics Conference, 2010.

[93]   T. Favre and G. Efraimsson. "Detached-Eddy Simulations of the Effects of Different Wind Gust Models on the Unsteady Aerodynamics of Road Vehicles," 3rd Joint US-European Fluids Engineering Division Summer Meeting, pp. 2605-2614, 2010.

[94]   T. Favre, B. Diedrichs and G. Efraimsson. "Detached-Eddy Simulations Applied to Unsteady Crosswind Aerodynamics of Ground Vehicles," 3rd Symposium on Hybrid RANS-LES Methods Gdansk, POLAND, JUN 10-12, 2009, vol. 111, pp. 167-177, 2010.

[95]   G. J. Bennett, C. O'Reilly, U. Tapken and J. A. Fitzpatrick. "Noise source location in turbomachinery using coherence based modal decomposition," 15th AIAA/CEAS Aeroacoustics Conference (30th AIAA Aeroacoustics Conference); Miami, FL; United States 11 May 2009 through 13 May 2009, 2009.

[96]   G. J. Bennett, C. J. O'Reilly, H. Liu and U. Tapken. "Modelling multi-modal sound transmission from point sources in ducts with flow using a wave-based method," 16th International Congress on Sound and Vibration, Krakow, Poland, 5 July 2009 through 9 July 2009, vol. 8, pp. 4685-4693, 2009.

[97]   M. Åbom, M. Karlsson and A. Kierkegaard. "On the use of linear aero-acoustic methods to predict whistling," 16th International Congress on Sound and Vibration 2009, ICSV 2009, 5 July 2009 through 9 July 2009, Krakow, Poland, pp. 2406-2413, 2009.

[98]   G. Efraimsson and G. Kreiss. "Analysis of Stretched Grids as Buffer Zones in Aero-Acoustic Simulations," 15th AIAA/CEAS Aeroacoustics Conference (30th AIAA Aeroacoustics Conference), Miami, Florida, May 11-13, 2009, 2009.

[99]   T. W. Muld, G. Efraimsson and D. S. Henningson. "Proper orthogonal decomposition of flow structures around a surface-mounted cube computed with detached-eddy simulation," SAE World Congress & Exhibition, Detroit, MI, USA, April 2009, 2009.

[100] A. Kierkegaard, S. Boij and G. Efraimsson. "Scattering matrix evaluation with CFD in low Mach number flow ducts," SAE 2009 Noise and Vibration Conference and Exhibition. St. Charles, IL, USA. May 19-21 2009, 2009.

[101] T. W. Muld, G. Efraimsson, D. S. Henningson, A. H. Herbst and A. Orellano. "Detached Eddy Simulation and Validation on the Aerodynamic Train Model," EUROMECH COLLOQUIUM 509: Vehicle Aerodynamics, 2009, 2009.

[102] C. J. O'Reilly and H. J. Rice. "Jet noise shielding: Mean flow convection and refraction effects on jet noise source propagation," 23rd International Conference on Noise and Vibration Engineering 2008, ISMA 2008, Leuven, Belgium, 15 September 2008 through 17 September 2008, pp. 525-533, 2008.

[103] A. Stensson Trigell, M. Berg, S. Boij, G. Efraimsson, J. Jerrelind, P. Wennhage and P. Göransson. "ECO2 Vehicle Design: an initiative for a holistic perspective on future vehicle concepts," TRA 2008. Ljubljana, Slovenia. April 21-24, 2008, 2008.

[104] A. Kierkegaard, G. Efraimsson and S. Boij. "Acoustic propagation in a flow duct with an orifice plate," International Conference on Noise and Vibration Engineering, Leuven, BELGIUM, SEP 15-17, 2008, pp. 485-495, 2008.

[105] T. Favre, G. Efraimsson and B. Diedrichs. "Numerical Investigation of Unsteady Crosswind Vehicle Aerodynamics using Time-Dependent Inflow Conditions," 7th MIRA International Vehicle Aerodynamics Conference, Coventry, 22-23 October, 2008., 2008.

[106] L. Barrera Rolla, H. J. Rice and C. J. O'Reilly. "Implementation of the forward-advancing wave expansion method (FWEM) for numerical solution of three dimensional large-scale sound propagation problems," 36th International Congress and Exposition on Noise Control Engineering, INTER-NOISE, Istanbul, Turkey, vol. 7, pp. 4796-4805, 2007.

[107] G. Bharath, C. J. O'Reilly, L. Barrera Rolla and H. J. Rice. "Iterative solutions of the three-dimensional Helmholtz equation using the wave expansion method for high frequency acoustic scattering problems," 36th International Congress and Exposition on Noise Control Engineering, INTER-NOISE, Istanbul, Turkey, vol. 7, pp. 4788-4795, 2007.

[108] C. J. O'Reilly, H. J. Rice, G. Bharath and L. Barrera Rolla. "An investigation into the effects of engine body reflections and flow refraction on jet noise shielding predictions," 36th International Congress and Exhibition on Noise Control Engineering, INTER-NOISE 2007, Istanbul, Turkey, 28 August 2007 through 31 August 2007,, vol. 2, pp. 733-742, 2007.

[109] G. Efraimsson, T. Pieper, M. Åbom and S. Boij. "Simulation of Wave Scattering at an Orifice by using a Navier-Stokes Solver," 13th AIAA/CEAS Aeroacoustics Conference (28th AIAA Aeroacoustics Conference) , Rome, Italy, May 21-23, 2007, 2007.

[110] A. Kierkegaard and G. Efraimsson. "Generation and propagation of sound waves in low mach number flows," 13th AIAA/CEAS Aeroacoustics Conference (28th AIAA Aeroacoustics Conference); Rome; Italy; 21 May 2007 through 23 May 2007, 2007.

[111] C. J. O'Reilly and H. J. Rice. "Jet noise modelling for shielding calculations using RANS source localisation and WEM propagation," 8th International Symposium Transport Noise and Vibration, 4 - 6 juni 2006, St. Petersburg, Russia, 2006.

[112] C. J. O'Reilly and H. J. Rice. "Jet noise modelling for shielding calculations using RANS solution source localisation and WEM propagation," International Conference on Noise and Vibration Engineering 2006, ISMA 2006, Heverlee, Belgium, 18 September 2006 through 20 September 2006, pp. 667-676, 2006.

[113] A. Kierkegaard, G. Efraimsson, J. Heopffner, E. Åkervik, D. Henningson and M. Åbom. "Identifications of sources of sound in low Mach number flows by the use of flow field eigenmodes," The Thirteenth International Congress on Sound and Vibration (ICSV 13), Vienna, Austria, pp. 2967-2974, 2006.

[114] G. Efraimsson and C. Biela. "Analysis of Aeroacoustic Wave Propagation Simulations Using a Higher-Order Accurate Method," 12th AIAA/CEAS Aeroacoustics Conference (27th AIAA Aeroacoustics Conference), Cambridge, Massachusetts, May 8-10, 2006, pp. 922-931, 2006.

[115] G. Efraimsson, J. Gong, M. Svärd and J. Nordström. "An Investigation of the Performance of a High-Order Accurate Navier-Stokes Code," ECCOMAS CFD 2006, Eggmond aan Zee, Netherlands, September 5-8, 2006, pp. 11-, 2006.

 

Theses

Doctoral


[116] A. Rynell. "An experimental and numerical study of an automotive cooling module," KTH Royal Institute of Technology, Stockholm, 2017.

[117] T. W. Muld. "Slipstream and Flow Structures in the Near Wake of High-Speed Trains," KTH Royal Institute of Technology, Stockholm, 2012.

[118] T. Favre. "Aerodynamics simulations of ground vehicles in unsteady crosswind," KTH Royal Institute of Technology, Stockholm, 2011.

[119] A. Kierkegaard. "Frequency Domain Linearized Navier-Stokes Equations Methods for Low Mach Number Internal Aeroacoustics," KTH Royal Institute of Technology, Stockholm, 2011.

Licentiate


[120] J. Hammar. "A Wave Expansion Method for Aeroacoustic Propagation," KTH Royal Institute of Technology, 2016.

[121] W. Na. "Frequency Domain Linearized Navier-Stokes Equations Methodology for Aero-Acoustic and Thermoacoustic Simulations," KTH Royal Institute of Technology, Stockholm, 2015.

[122] N. Pignier. "Sound propagation from sustainable ground vehicles: from aeroacoustic sources to urban noise," KTH Royal Institute of Technology, Stockholm, 2015.

[123] O. Kårekull. "Predicting flow-generated noise from HVAC components," KTH Royal Institute of Technology, Stockholm, 2015.

[124] R. Futrzynski. "Drag reduction using plasma actuators," KTH Royal Institute of Technology, Stockholm, 2015.

[125] A. Rynell. "Acoustic characterization of an underhood cooling module for a heavy duty vehicle," KTH Royal Institute of Technology, 2014.

[126] T. W. Muld. "Analysis of Flow Structures in Wake Flows for Train Aerodynamics," , 2010.

[127] T. Favre. "Numerical Investigation of Unsteady Crosswind Aerodynamics for Ground Vehicles," KTH, Stockholm, 2009.

[128] A. Kierkegaard. "Numerical Investigations of Generation and Propagation of Sound Waves in Low Mach Number Internal Flows," KTH, Stockholm, 2008.

Master


[129] B. Pascual José. "A Study of the Viscous Effects over an Acoustic Liner using the Linearised Navier-Stokes equations in the Frequency Domain," , 2016.

[130] F. Guillou. "CFD Study of the Flow around a High-Speed Train," , 2012.

[131] P. Sedarati. "Simulations of sound propagation at a duct termination with flow," , 2011.

 

Reports


[132] R. Futrzynski and G. Efraimsson. "Dymode: A parallel dynamic mode decomposition software," KTH Royal Institute of Technology, Stockholm, 2015.

[133] A. Rynell, G. Efraimsson, M. Chevalier and M. Åbom. "Aeroacoustic calculation using DES together with FW-H for a ducted subsonic fan," KTH Royal Institute of Technology, 2014.

[134] T. Favre and G. Efraimsson. "Unsteady mechanisms in crosswind aerodynamics for ground vehicles," KTH Royal Institute of Technology, Stockholm, 2011.

[135] T. Favre and G. Efraimsson. "Effects of Deterministic Wind Gusts on Unsteady Crosswind Aerodynamics of Road Vehicles," , 2009.

[136] A. Kierkegaard and G. Efraimsson. "A numerical investigation of interpolation methods for acoustic analogies," , 2008.

 
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