Articles in international journals with peer-review (see 'www.researchgate.net/profile/Rad_Akkermans' for a complete list):
[34] C. Lyu, P. Liu, T. Hu, X. Geng, T. Sun, R.A.D. Akkermans, A sliding mesh approach to the Lattice Boltzmann Method based on non-equilibrium extrapolation and its application in rotor flow simulation,Aerospace Science and Technology, Vol. 128, 107755, (2022).
[33] V.B. Ananthan, R.A.D. Akkermans, T. Hu, P. Liu. N. Rathje, Trailing-Edge Noise Reduction Potential of a Locally Applied Shallow Dimpled Surface, Journal of Sound and Vibration, Vol. 525, 116745, (2022).
[32] V.B. Ananthan, R.A.D. Akkermans, D. Kozulovic, Trailing-edge noise reduction of a wing by a surface modification, Inter-Noise2021 Conference Proceedings (reviewed), pp. 1-8, (2021).
[31] Q. Chen, T. Hu, P. Liu, Q. Qu, H. Guo, R.A.D. Akkermans, The dynamical vortical flow behaviour on a coplanar canard configuration during large-amplitude-pitching, Aerospace Science and Technology,Vol. 112, 106553, (2021).
[30] P. Bernicke, R.A.D. Akkermans, Hybrid Overset-LES Simulations of Noise Reduction Concepts of Loaded Airfoils, Journal of Physics: Conference Series, Vol. 1909, pp. 1-8, (2021).
[29] T. Hu, Y. Zhao, P. Liu, Q. Qu, H. Guo, R.A.D. Akkermans, Investigation on lift characteristics of a double delta wing pitching in various reduced frequencies, Journal of Aerospace Engineering, (2021).
[28] P. Bernicke, V.B. Ananthan, R.A.D. Akkermans, J. Dierke, R. Ewert, Scale-Resolving Simulations of Aeroacoustic Sound from Coanda Flaps, In: Notes on Numerical Fluid Mechanics and Multidisciplinary Design, New Results in Numerical and Experimental Fluid Mechanics, Vol. 135, 529-543, (2021).
[27] V.B. Ananthan, P. Bernicke, R.A.D. Akkermans, Aeroacoustic Analysis of a Circulation-Controlled High-Lift Flap by Zonal Overset Large-Eddy Simulation, AIAA Journal, Vol. 58, pp. 5294-5305, (2020).
[26] Q. Chen, T. Hu, P. Liu, Y. Liu, Q. Qu, H. Guo, R.A.D. Akkermans, Experiments on asymmetric vortex pair interaction with the ground, Experiments in Fluids, Vol. 61, No. 150 (2020).
[25] T. Hu, C. Cheng, P. Liu, Y. Huang, Z. Zhang, Q. Qu, H. Guo, R.A.D. Akkermans, Control of self-induced roll oscillations using sinusoidal leading-edge for low-aspect-ratio wings, Experiments in Fluids, Vol. 61, Article number: 166, (2020).
[24] Y. Yi, P. Liu, T. Hu, Q. Qu, G. Eitelberg, R.A.D. Akkermans, Dynamic lift characteristics of nonslender delta wing in large-amplitude-pitching, Aerospace Science and Technology, Vol. 105, 105937, (2020)
[23] V.B. Ananthan, P. Bernicke, R.A.D. Akkermans, P. Liu, T. Hu, Effect of Porous Material on Trailing Edge Sound Sources of a Lifting Airfoil by Zonal Overset-LES, Journal of Sound and Vibration, Vol. 480, 115386, (2020)
[22] P. Bernicke, R.A.D. Akkermans, R. Ewert, J. Dierke, An Acoustic Relaxation Term for Damping and Forcing of Waves, AIAA Journal, Vol. 58, No. 5, pp. 2029-2041, (2020).
[21] P. Bernicke, R.A.D. Akkermans, V.B. Ananthan, R. Ewert, J. Dierke, L. Rossian, A Zonal Noise Prediction Method for Trailing-Edge Noise with a Porous Model, International Journal of Heat and Fluid Flow, Vol. 80, 108469-1-11, (2019).
[20] A.H. Dawi, R.A.D. Akkermans, Direct Noise Computation of a Generic Vehicle Model using a Finite Volume Method, Computers and Fluids, Vol. 191, 104243-1-12, 2019.
[19] Y. Wang, P. Liu, T. Hu, Q. Qu, Q. Chen, R. Akkermans, Experimental investigations on the interaction of the single co-rotating vortex with the ground, AIAA Journal, Vol. 57, pp. 499-512, 2019.
[18] T. Hu, P. Liu, Y. Yuan, Q. Qu, R. Akkermans, Experimental investigations on co-rotating vortex pair merger in convergent/divergent channel flow with single-side wall deflection, Experiments in Fluids, Vol. 59, pp. 188.1-18, (2018).
[17] A. Dawi, R.A.D. Akkermans, Spurious Noise in Direct Noise Computation with a Finite Volume Method for Automotive Applications, International Journal of Heat and Fluid Flow, Vol. 72, pp. 243-256, (2018).
[16] A. Dawi, R.A.D. Akkermans, Direct and Integral Noise Computation of Two Square Cylinders in Tandem Arrangement, Journal of Sound and Vibration, Vol. 436, pp. 138–154, (2018).
[15] R.A.D. Akkermans, P. Bernicke, R. Ewert, J. Dierke, Zonal Overset-LES with Stochastic Volume Forcing for Trailing-Edge Noise Sources, International Journal of Heat and Fluid Flow, Vol. 70, pp. 336–347, (2018).
[14] P. Bernicke, R.A.D. Akkermans, R. Ewert, J. Dierke, Overset-LES with Stochastic Forcing for Sound Source Simulation, In: Notes on Numerical Fluid Mechanics and Multidisciplinary Design, New Results in Numerical and Experimental Fluid Mechanics XI, Vol. 136, pp. 601-610, (2018).
[13] R.A.D. Akkermans, A. Stuermer, J.W. Delfs, Active Flow Control for Interaction Noise Reduction of Contra-Rotating Open Rotors, AIAA Journal, Vol. 54, pp. 1413-1423, (2016).
[12] R.A.D. Akkermans, N. Buchmann, J. Dierke, R. Ewert, Overset DNS with Application to Homo-geneous Decaying Turbulence, In: Notes on Numerical Fluid Mechanics and Multidisciplinary Design New Results in Numerical and Experimental Fluid Mechanics X, Vol. 132, pp. 699-707, (2016).
[11] R.A.D. Akkermans, R. Ewert, S.M.A. Moghadam, J. Dierke, N. Buchmann, Overset DNS with Application to Sound Source Prediction, In: Notes on Numerical Fluid Dynamics and Multidisciplinary Design, Vol. 130, Springer-Verlag, pp. 59-68, (2015).
[10] A. Stuermer, J. Yin, R.A.D. Akkermans, Progress in Aerodynamic and Aeroacoustic Integration of CROR Propulsion Systems, The Aeronautical Journal, Vol. 118, pp. 1137-1158, (2014).
[9] A. Stuermer, R.A.D. Akkermans, Multidisciplinary Analysis of CROR Propulsion Systems: DLR Activities in the JTI SFWA Project, CEAS Aeronautical Journal, Vol. 5, pp 265-277, (2014).
[8] R.A.D. Akkermans et al., Aeroacoustic and Aerodynamic Importance of an Unequal Rotor Rotation Speeds of a CROR, In: Notes on Numerical Fluid Mechanics and Multidisciplinary Design New Results in Numerical and Experimental Fluid Mechanics IX, Vol. 124, Springer-Verlag, pp. 593-600, (2014).
[7] A. Stuermer, R.A.D. Akkermans, J.W. Delfs, Assessment of Front Rotor Trailing Edge Blowing for the Reduction of Open Rotor Interaction Noise, In: Notes in Numerical Fluid Mechanics and Multidisciplinary Design New Results in Numerical and Experimental Fluid Mechanics IX, Vol. 124, Springer Verlag, pp. 609-618, (2014).
[6] R.A.D. Akkermans, A.P.C. Holten, L.P.J. Kamp, H.J.H. Clercx, G.J.F. van Heijst, Array of vortices in shallow fluids: Three-dimensional structure and dispersion, European Journal of Mechanics B/Fluids, Vol. 34, pp. 131-145, (2012).
[5] R.A.D. Akkermans, L.P.J. Kamp, H.J.H. Clercx, G.J.F. van Heijst, Three-dimensional flow in electromagnetically driven shallow two-layer fluids, Physical Review E, Vol. 82, 026314-1-11, (2010).
[4] A.R.Cieslik, R.A.D. Akkermans, L.P.J. Kamp, H.J.H. Clercx, G.J.F. van Heijst, Dipole-wall collision in a shallow fluid layer, European Journal of Mechanics - B/Fluids, Vol. 28, pp. 397-404, (2009).
[3] R.A.D. Akkermans, A.R. Cieslik, L.P.J. Kamp, R.R. Trieling, H.J.H. Clercx, and G.J.F. van Heijst, The three-dimensional structure of an electromagnetically generated dipolar vortex in a shallow fluid layer, Physic of Fluids, Vol. 20, pp. 116601-1-15, (2008).
[2] R.A.D. Akkermans, L.P.J. Kamp, H.J.H. Clercx, G.J.F. van Heijst, Intrinsic three-dimensionality in electromagnetically driven shallow flows, EPL EuroPhysics Letters, Vol. 83, pp. 24001-1-6, (2008).
[1] R.P.J. Kunnen, H.J.H. Clercx, B.J. Geurts, L.J. van Bokhoven, R.A.D. Akkermans, R. Verzicco, Numerical and experimental investigation of structure function scaling in turbulent Rayleigh-Bernard convection, Physical Review E, Vol. 77, pp. 016302-1-13, (2008).
Dissertation:
R.A.D. Akkermans, 3D Structures and Dispersion in Shallow Fluid Layers, PhD-thesis, Eindhoven University of Technology, The Netherlands, (2010). doi.org/10.6100/IR675782
