Hi and welcome to my homepage!
Contact:
Dr. Michael Wilczek
Department of Mechanical Engineering
The Johns Hopkins University
Baltimore USA
email: mwilczek(at)jhu.edu or mwilczek(at)uni-muenster.de
Research Interests:
- turbulence and convection (pdf methods, coherent structures, Lagrangian particle dynamics)
- statistical mechanics of complex systems
- nonlinear dynamics
- simulations and high performance computing
This is a visualization of a recent simulation with VOrTEx , our parallel solver for the vorticity equation. The picture shows a volume rendering of the absolute value of the vorticity (left) and the velocity (right). The vorticity tends to organize in slender vortex tubes, whereas the velocity displays long-range correlations.
Publications:
Journals:
- V. Bratanov, F. Jenko, D. Hatch, M. Wilczek, Nonuniversal power-law spectra in turbulent systems, (2013) submitted
- M. Wilczek, H. Xu, N.T. Ouellette, R. Friedrich, E. Bodenschatz, Generation of Lagrangian intermittency in turbulence by a self-similar mechanism, New J. Phys., 055015 (2013) [New J. Phys][PDF]
- K. Petschel, S. Stellmach, M. Wilczek, J. Lülff, U. Hansen, Dissipation Layers in Rayleigh-Benard convection: A unifying view, Phys. Rev. Lett 110, 114502 (2013) [Phys. Rev. Lett][PDF]
- Y. Narita, K.-H. Glassmeier, U. Motschmann, M. Wilczek, Doppler shift and broadening in solar wind turbulence, Earth, Planets and Space 65, e5 (2013) [EPS] [PDF]
- M. Wilczek, Y. Narita, Wavenumber-frequency spectrum for turbulence from a random sweeping hypothesis with mean flow, Phys. Rev. E 86, 066308 (2012) [Phys. Rev. E][PDF]
- R. Friedrich, A. Daitche, O. Kamps, J. Lülff, M. Voßkuhle , M. Wilczek, The Lundgren-Monin-Novikov Hierarchy: Kinetic Equations for Turbulence, submitted (2012) [Com. Ren. Phy.][PDF]
- R. Friedrich, M. Voßkuhle, O. Kamps, M. Wilczek, Two-Point Vorticity Statistics in the Inverse Cascade of Two-Dimensional Turbulence, Phys. Fluids 24, 125101 (2012) [Phys. Fluids][PDF]
- M. Wilczek, B. Kadoch, K. Schneider, R. Friedrich, M. Farge, Conditional vorticity budget of coherent and incoherent flow contributions in fully developed homogeneous isotropic turbulence, Phys. Fluids 24, 035108 (2012) [Phys. Fluids] [PDF]
- K. Petschel, M. Wilczek, M. Breuer, R. Friedrich, U. Hansen, Statistical Analysis of Global Wind Dynamics in Vigorous Rayleigh-Bénard Convection, Phys. Rev. E 84, 026309 (2011) [Phys. Rev. E] [PDF]
- M. Wilczek, A. Daitche, R. Friedrich, On the velocity distribution in homogeneous isotropic turbulence: correlations and deviations from Gaussianity, J. Fluid Mech. 676, 191 (2011) [J. Fluid Mech.] [PDF]
- M. Wilczek, A. Daitche, R. Friedrich, Theory for the single-point velocity statistics of fully developed turbulence, EPL 93, 34003 (2011) [EPL] [PDF]
- J. Lülff, M. Wilczek, R. Friedrich, Temperature Statistics in Turbulent Rayleigh-Bénard Convection, New J. Phys. 13, 015002 (2011) [New J. Phys.] [PDF]
- M. Wilczek, R. Friedrich, Dynamical Origins for Non-Gaussian Vorticity Distributions in Turbulent Flows, Phys. Rev. E 80, 016316 (2009) [Phys. Rev. E] [PDF]
- M. Wilczek, F. Jenko, R. Friedrich, Lagrangian Particle Statistics of Turbulent Flows from a Simple Vortex Model, Phys. Rev. E 77, 056301 (2008) [Phys. Rev. E] [PDF]
- M. Wilczek, O. Kamps, R. Friedrich, Lagrangian Investigation of Two-dimensional Decaying Turbulence, Physica D 237, 2090 (2008) [Physica D] [PDF]
Proceedings:
- O. Kamps, M. Wilczek, Statistical Description of Turbulent Flows - A Short Review in Memory of Rudolf Friedrich, submitted to iTi 2012 proceedings
- M. Wilczek, R. Friedrich, Two-Point Enstrophy Statistics of Fully Developed Turbulence, Progress in Turbulence IV, Springer Proceedings in Physics, Vol. 141, 57 (2012) [SpringerLink]
- O. Kamps, M. Wilczek, R. Friedrich, Lagrangian Acceleration Statistics in 2D and 3D turbulence, Progress in Turbulence IV, Springer Proceedings in Physics, Vol. 141, 67 (2012) [SpringerLink]
- M. Wilczek, B. Kadoch, K. Schneider, R. Friedrich, M. Farge, Wavelet Analysis of the Conditional Vorticity Budget in Fully Developed Homogeneous Isotropic Turbulence, J. Phys.: Conf. Ser. 318, 062024 (2011) [IOP]
- O. Kamps, M. Wilczek, Long Time Memory of Lagrangian Acceleration Statistics in 2D and 3D Turbulence, ETC 13 proceedings, J. Phys.: Conf. Ser. 318, 052033 (2011) [IOP]
- J. Lülff, M. Wilczek, R. Friedrich, Investigation of Temperature Statistics in Turbulent Rayleigh-Bénard Convection using PDF Methods, ETC 13 proceedings, J. Phys.: Conf. Ser. 318, 082008 (2011) [IOP]
- M. Wilczek, A. Daitche, R. Friedrich, Vorticity Statistics in Fully Developed Turbulence, High Performance Computing in Science and Engineering, Garching/Munich 2009, Springer, 109-120 (2010) [SpringerLink]
- M. Voßkuhle, O. Kamps, M. Wilczek, R. Friedrich, Statistical properties of velocity increments in two-dimensional turbulence, Progress in Turbulence III, Springer Proceedings in Physics, Vol. 131, 37-40 (2010) [SpringerLink]
- M. Wilczek, R. Friedrich, A Langevin Equation for the Turbulent Vorticity, Progress in Turbulence III, Springer Proceedings in Physics, Vol. 131, 254-257 (2010) [SpringerLink]
Other:
M. Wilczek, O. Kamps, A. Daitche, R. Friedrich, Joint Numerical and Theoretical Investigations of Fully Developed Fluid Turbulence, inSiDE 9, 26 (2011) [inSiDE] [PDF]
Theses:
Online-Zeitschriften
- Web of Science
- Elsevier (PLA,PhysA,PhysD)
- Elsevier
- Physical Review
- Springer (EPJB,Biol.Cyb.)
- Journal of Physics A
- Europhysics Letters
- Nature
- Annalen der Physik (Annals of Physics-Berlin)
- Nonlinear Phenomena in Complex Systems
- Condensed Matter Preprints (Los Alamos e-Print Archive)
- Zweigbibliothek Physik
- Zeitschriften WWU