Prof. Marius Ungarish

Prof. Marius Ungarish

The George Farkas Chair in Computer Science

Contact information
Email:
unga[at]cs.technion.ac.il
Office:
707
Phone:
4366
Office Hours:
Thursday, 16:00-17:00
Research interests
Simulations of Rotating Fluids (incompressible, compressible,two-phase, liquid metals); Two-Phase Flows; Gravity Currents;Computational Fluid Dynamics, Implementation of ParallelComputers, Numerical Methods.
Selected publications
  • M. Ungarish.
    Hydrodynamics of Suspensions: Fundamentals of Centrifugal and Gravity Separation, Springer, 1993.
    [bibtex]
  • M. Toren, A. Solan and M. Ungarish.
    Rotating Flow over a Disk Sector.
    J. Appl. Mech., 49:13-18, 1982 [bibtex]
  • M. Ungarish, M. Toren and A. Solan.
    The Flow over a Rotating Disk Sector.
    J. Appl. Mech., 49:661-663, 1982 [bibtex]
  • M. Israeli and M. Ungarish.
    Improvement of Numerical Solution of Boundary Layer Problems by Incorporation of Asymptotic Approximations.
    Num. Math., 39:309-324, 1982 [bibtex]
  • M. Israeli and M. Ungarish.
    Laminar Compressible Flow Between Close Rotating Disks - An Asymptotic and Numerical Study.
    Computers and Fluids, 11:145-157, 1983 [bibtex]
  • M. Israeli and M. Ungarish.
    Axisymmetric Compressible Flow in a Rotating Cylinder with Axial Convection.
    J. Fluid Mech., 154:121-144, 1985 [bibtex]
  • Greenspan, H. P. and Ungarish, M.
    On hindered settling of particles of different sizes.
    Int. J. Multiphase Flow, 8(6):587--602, 1982 [bibtex]
  • Greenspan, H. P. and Ungarish, M.
    On the enhancement of centrifugal separation.
    J. Fluid Mech., 157:359--373, 1985 [bibtex]
  • Greenspan, H. P. and Ungarish, M.
    On the centrifugal separation of a bulk mixture.
    Int. J. Multiphase Flow, 11(6):825--835, 1985 [bibtex]
  • Ungarish, M.
    Flow of a separating mixture in a rotating cylinder.
    Phys. Fluids, 29(3):640--646, 1986 [bibtex]
  • Ungarish, M.
    Two-fluid analysis of centrifugal separation in a finite cylinder.
    Int. J. Multiphase Flow, 14(2):233--243, 1988 [bibtex]
  • Ungarish, M.
    On shear layers in mixture separation in rotating containers with inclined walls.
    J. Fluid Mech., 193:27--51, 1988 [bibtex]
  • Ungarish, M.
    Numerical investigation of two-phase rotating flow.
    Int. J. Multiphase Flow, 14(6):729--747, 1988 [bibtex]
  • Ungarish, M.
    Sidewall effects in centrifugal separation of mixtures.
    Phys. Fluids A, 1(5):810--818, 1989 [bibtex]
  • Ungarish, M.
    Spin-up from rest of a mixture.
    Phys. Fluids A, 2(2):160--166, 1990 [bibtex]
  • M. Toren, M. Ungarish, A. Solan and G. Pinchuck.
    Buoyancy Driven Convection due to Mass Transfer Near a Rotating Disk at High Schmidt Numbers.
    J. Appl. Mech., 113:566-571, 1991 [bibtex]
  • C. Daitzchman, C. Aharoni and M. Ungarish.
    Effects of Subsurface Penetration on the Kinetics of Adsorption.
    Surface Science, 244:362-370, 1991 [bibtex]
  • Ungarish, M.
    Spin-up from rest of a light-particle suspension in a cylinder: theory and observations.
    Int. J. Multiphase Flow, 17(1):131--143, 1991 [bibtex]
  • Ungarish, M. and Greenspan, H. P.
    On two-phase flow in a rotating boundary layer.
    Studies Appl. Math., 69:145--175, 1983 [bibtex]
  • Ungarish, M. and Greenspan, H. P.
    On centrifugal separation of particles of two different sizes.
    Int. J. Multiphase Flow, 10:133--148, 1984 [bibtex]
  • Ungarish, M.
    Modeling and Simulation of Separating Mixture Flows.
    Computer Meth. Appl. Mech. and Eng., 91:1175-1185, 1991 [bibtex]
  • Amberg, G. and Ungarish, M.
    Spin-up from rest of a mixture: numerical simulation and asymptotic theory.
    J. Fluid Mech., 246:443--464, 1993 [bibtex]
  • M. Ungarish.
    Centrifugal Separation of a Polydispersed Suspension in a Long Cylinder.
    ZAMM, 75:23-26, 1995 [bibtex]
  • M. Ungarish.
    On the Modeling and Investigation of Polydispersed Rotating Suspensions.
    Int. J. Multiphase Flow, 21:262-284, 1995 [bibtex]
  • M. Ungarish.
    A Note on the Effects of Bulk Density vs. Interstitial Fluid Density in Stability Considerations of a Suspension Overlain by a Heavy Fluid.
    Int. J. Multiphase Flow, 22:621-625, 1996 [bibtex]
  • Ungarish, M. and Vedensky, D.
    The motion of a rising disk in a rotating axially bounded fluid for large Taylor number.
    J. Fluid Mech., 291:1--32, 1995 [bibtex]
  • Vedensky, D. and Ungarish, M.
    The motion generated by a slowly rising disk in an unbounded rotating fluid for arbitrary Taylor number.
    J. Fluid Mech., 262:1--26, 1994 [bibtex]
  • Ungarish, M.
    Some shear-layer and inertial modifications to the geostrophic drag on a slowly rising particle or a drop in a rotating fluid.
    J. Fluid Mech., 319:219--249, 1996 [bibtex]
  • Ungarish, M.
    Some spin-up effects on the geostrophic and quasigeostrophic drag on a slowly rising particle in a rotating fluid.
    Phys. Fluids, 9:325--336, 1997 [bibtex]
  • M. Ungarish.
    The Spin-up of Liquid Metal Driven by a Rotating Magnetic Field.
    J. Fluid Mech., 347:105-116, 1997 [bibtex]
  • M. Ungarish and H. E. Huppert.
    The effects of rotation on axisymmetric particle-driven gravity currents.
    J. Fluid Mech., 362:17-51, 1998 [bibtex]
  • M. Ungarish and H. E. Huppert.
    Simple models of {Coriolis}-influenced axisymmetric particle-driven gravity currents.
    Int. J. Multiphase Flow, 25:715-737, 1999 [bibtex]
  • M. Ungarish and H. E. Huppert.
    On gravity currents propagating at the base of a stratified ambient.
    J. Fluid Mech., 458:283-301, 2002 [bibtex]
  • A. J. Hogg, M. Ungarish and H. E. Huppert.
    Particle-driven gravity currents: asymptotic and box-model solutions.
    European J. Mech. B-Fluids, 19:139-165, 2000 [bibtex]
  • M. Ungarish and H. E. Huppert.
    High {Reynolds} number gravity currents over a porous boundary: shallow-water solutions and box-model approximations.
    J. Fluid Mech., 418:1-23, 2000 [bibtex]
  • J. Mang, M. Ungarish and U. Schaflinger.
    Gravitational-centrifugal separation in an axisymmetric source-sink flow with a free surface.
    Int. J. Multiphase Flow, 27:197-215, 2001 [bibtex]
  • M. A. Hallworth, H. E. Huppert and M. Ungarish.
    Axisymmetric gravity currents in a rotating system: experimental and numerical investigations.
    J. Fluid Mech., 447:1-29, 2001 [bibtex]
  • A. J. Hogg, M. Ungarish and H. E. Huppert.
    Effects of particle sedimentation and rotation on Axisymmetric gravity currents.
    Phys. Fluids, 13:3687-3698, 2001 [bibtex]
  • M. Ungarish.
    On the separation of a suspension in a tube centrifuge.
    Int. J. Multiphase Flow, 27:1285-1291, 2001 [bibtex]
  • Ungarish, M. and Zemach, T.
    On axisymmetric rotating gravity currents: two-layer shallow-water and numerical solutions.
    J. Fluid Mech., 481:37-66, 2003 [bibtex]
  • Ungarish, M. and Zemach, T.
    On the slumping of high {Reynolds} number gravity currents in two-dimensional and axisymmetric configurations.
    European J. Mech. B/Fluids, 24:71-90, 2005 [bibtex]
  • M. A. Hallworth, H. E. Huppert and M. Ungarish.
    On inwardly propagating axisymmetric gravity currents.
    J. Fluid Mech., 494:255-274, 2003 [bibtex]
  • E. Minkov, M. Ungarish and M. Israeli.
    The motion generated by a Rising Particle in a Rotating Fluid - numerical solutions. {Part} 1: The short container case.
    J. Fluid Mech., 413:111-148, 2000 [bibtex]
  • E. Minkov, M. Ungarish and M. Israeli.
    The motion generated by a Rising Particle in a Rotating Fluid - numerical solutions. {Part} 2: The long container case.
    J. Fluid Mech., 454:345-364, 2002 [bibtex]
  • J. B. Flor, M. Ungarish and J. W. M. Bush.
    Spin-up from rest in a stratified fluid: boundary flow.
    J. Fluid Mech., 472:51-82, 2002 [bibtex]
  • J. B. Flor, J. W. M. Bush and M. Ungarish.
    An experimental investigation of spin-up from rest of a stratified fluid.
    Geophys. Astrophys. Fluid Dyn., 98:277-296, 2004 [bibtex]
  • M. Ungarish and J. Mang.
    Spin-up from rest of a two-layer fluid about a vertical axis.
    J. Fluid Mech., 474:117-145, 2003 [bibtex]
  • M. Ungarish and H. E. Huppert.
    On gravity currents propagating at the base of a stratified ambient: effects of geometrical constraints and rotation.
    J. Fluid Mech., 521:69-104, 2004 [bibtex]
  • M. Ungarish.
    Dam-break release of a gravity current in a stratified ambient.
    European J. Mech. B/Fluids, 24:642-658, 2005 [bibtex]
  • M. Ungarish.
    On the separation of a suspension in a tube centrifuge: critical comments on theoretical models and experimental verifications.
    Archive Appl. Mech., 73:399-408, 2003 [bibtex]
  • M. Ungarish.
    Intrusive gravity currents in a stratified ambient - shallow-water theory and numerical results.
    J. Fluid Mech., 535:287-323, 2005 [bibtex]
  • G. Seiden, M. Ungarish and S. G. Lipson.
    On the banding of suspended particles in a rotating fluid-filled horizontal cylinder.
    Physical Review E, 72:021407 (1-9), 2005 [bibtex]
  • G. Seiden, M. Ungarish and S. G. Lipson.
    Formation and stability of band patterns in a rotating suspension-filled cylinder.
    Physical Review E, 76:026221 (1-9) [DOI: 10.1103/PhysRevE.76.026221], 2007 [bibtex]
  • P. A. Nikrityuk, M. Ungarish, K. Eckert and R. Grundmann.
    Spin-up of a liquid metal flow driven by a rotating magnetic field in a finite cylinder: a numerical and an analytical study.
    Physics of Fluids, 17:067101 (1-16), 2005 [bibtex]
  • M. Ungarish and Zemach, T.
    On axisymmetric intrusive gravity currents in a stratified ambient - shallow-water theory and numerical results.
    European J. Mech. B/Fluids, 26:220-235, 2007 [bibtex] [pdf]
  • M. Ungarish and H. E. Huppert.
    Energy balances for propagating gravity currents: homogeneous and stratified ambients.
    J. Fluid Mech., 565:363-380, 2006 [bibtex] [pdf]
  • M. Ungarish.
    On gravity currents in a linearly stratified ambient: a generalization of Benjamin's steady-state propagation results.
    J. Fluid Mech., 548:49-68, 2006 [bibtex]
  • M. Ungarish.
    A shallow water model for high-{Reynolds} gravity currents for a wide range of density differences and fractional depths.
    J. Fluid Mech., 579:373-382, 2007 [bibtex]
  • M. Ungarish.
    Axisymmetric gravity currents at high Reynolds number - on the quality of shallow-water modeling of experimental observations.
    Phys. Fluids, 19:036602/7, 2007 [bibtex]
  • T. Zemach and Ungarish, M.
    On axisymmetric intrusive gravity currents in a deep fully-linearly stratified ambient: the approach to self-similarity solutions of the shallow-water equations.
    Proc. R. Soc. A, 463:2165-2183, 2007 [bibtex]
  • V. K. Birman, Meiburg, E. and Ungarish, M.
    On gravity currents in stratified ambients.
    Phys. Fluids, 19:(086602) 1-10, [DOI: 10.1063/1.2756553], 2007 [bibtex]
  • M. Ungarish and Huppert, H. E.
    Energy balances for axisymmetric gravity currents in homogeneous and linearly stratified ambients.
    J. Fluid Mech., 616:303-326, 2008 [bibtex]
  • M. Ungarish.
    Energy balances and front speed conditions of two-layer models for gravity currents produced by lock release.
    Acta Mechanica, 201:63-81, 2008 [bibtex]
  • M. Ungarish.
    An Introduction to Gravity Currents and Intrusions, Chapman & Hall/CRC press, Boca Raton London New York, 2009.
    [bibtex]
  • M. Ungarish.
    Energy balances for gravity currents with a jump at the interface produced by lock release.
    Acta Mechanica, DOI 10.1007/s00707-009-0206-z, 2009 [bibtex]
  • M. Ungarish.
    The propagation of high-Reynolds-number non-Boussinesq gravity currents in axisymmetric geometry.
    J. Fluid Mech., in press, 2009 [bibtex]