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Journal papers:

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  1. Gelfgat A.Yu. and Perets I.V. 1987. Suppression of gorced and convective glows of a stable stratified gluid in vertical channels, Mechanika Zhidkosti i Gaza , 1987, No.2, 172-174 (rus., English translation in: Fluid Dynamics, 1987, 22, 310-312). Get PDF file with Russian version     Get PDF file with English version

  2. Gelfgat A.Yu. 1988. Effects of the magnetic field magnitude and direction on the oscillatory thermogravitational convection regimes in a rectangular cavity, Magnetic Hydrodynamics, 1988, No.3, 70-75 (rus., English translation in: Magnetohydrodynamics, 1988, 24, 324-328). Get PDF file with Russian version     Get PDF file with English version

  3. Gelfgat A.Yu. and Martuzans B.J. 1990. Investigation of thermogravitational-thermocapillary steady-state convective flow stability at low Prandtl numbers, Mechanika Zhidkosti i Gaza , 1990, No.2, 8-12 (rus., English translation in: Fluid Dynamics, 1990, 25 169-174). Get PDF file with Russian version     Get PDF file with English version

  4. Gelfgat A.Yu. 1990. Influence of the magnetic field on the spatial structure of the oscillatory natural convection, Magnetic Hydrodynamics, 1990, No.1, 13-22 (rus., English translation in: Magnetohydrodynamics, 1990, 26, 8-16). Get PDF file with Russian version      Get PDF file with English version

  5. Gelfgat A.Yu. 1991. Development and instability of steady convective flows in the square cavity heated from below in a field of vertically directed vibration forces, Mechanika Zhidkosti i Gaza ,  No.2, 8-12 (rus., English translation in: Fluid Dynamics, 1991, 26, 165-172). Get PDF file with Russian version     Get PDF file with English version

  6. Gelfgat A.Yu. and Tanasawa. 1994. Numerical analysis of oscillatory instability of buoyancy convection with the Galerkin spectral method, Numerical Heat Transfer. Part A: Applications, 25, 627-648.  Get PDF file

  7. Gelfgat A.Yu. and Tanasawa I. 1995. Numerical investigation of the thermocapillary drift of a bubble in an electric field, Microgravity Science and Technology, 8, 16-22. Get PDF file

  8. Gelfgat A., Bar-Yoseph P.Z. and Solan A. 1996. Stability of confined swirling flow with and without vortex breakdown, Journal of Fluid Mechanics, 311, 1-36. Get PDF file    Get additional details

  9. Gelfgat A.Yu., Bar-Yoseph P.Z. and Solan A. 1996. Vortex breakdown and instability of swirling flow in a cylinder with rotating top and bottom, Physics of Fluids, 8, 2614-2625. Get PDF file   Get additional details

  10. Gelfgat A.Yu., Bar-Yoseph P.Z. and Yarin A.L. 1997. On oscillatory instability of convective flows at Low Prandtl number. Journal of Fluids Engineering, 119, 823-830. Get PDF file   Get additional details

  11. Gelfgat A.Yu., Bar-Yoseph P.Z. and Yarin A.L. 1999. Stability of multiple steady states of convection in laterally heated cavities, Journal of Fluid Mechanics, 388, 315-334. Get PDF file   Get additional details

  12. Gelfgat A.Yu., Bar-Yoseph P.Z. and Yarin A.L. 1999. Non-symmetric convective Flows in laterally heated rectangular cavities, Int. J. Computational Fluid Dynamics, 11, 261-273. Get PDF file   Get additional details

  13. Gelfgat A.Yu. 1999. Different modes of Rayleigh-Benard instability in two- and three-Dimensional rectangular enclosures. Journal of Computational Physics, 156, 300-324. Get PDF file   Get additional details

  14.  Priede J., Cramer A., A.Bojarevics, Gelfgat A.Yu., Bar-Yoseph P.Z., Yarin A.L., G.Gerbeth. 1999. Experimental and numerical study of anomalous thermocapillary convection in liquid gallium, Physics of Fluids, 11, 3331-3339. Get PDF file

  15.  Gelfgat A.Yu., Bar-Yoseph P.Z., Solan A., Kowalewski T. 1999. An axisymmetry- breaking instability in axially symmetric natural convection, International Journal of Transport Phenomena, 1, 173-190. Get PDF file    Get additional details

  16. Gelfgat A.Yu. 2000. Two- and three-dimensional instabilities of confined flows: numerical study by a global Galerkin method, Computational Fluid Dynamics Journal, 9, 437-448. Get PDF file

  17. Gelfgat A.Yu., Bar-Yoseph P.Z., Solan A. 2000.  Axisymmetry breaking instabilities of natural convection in a vertical Bridgman growth configuration, Journal of Crystal Growth, 220, 316-325. Get PDF file  Get additional details

  18. Gelfgat A.Yu., Bar-Yoseph P.Z., Solan A. 2001. Three-dimensional instability of axisymmetric flow in a rotating lid - cylinder container, Journal of Fluid Mechanics, 438, 363-377. Get PDF file   Get additional details Get: Appendix I   Appendix II   Figure 7a   Figure 7b   Figure 7c   Figure 7d

  19. Gelfgat A.Yu., Bar-Yoseph P.Z., and Solan A. 2001. Effect of axial magnetic field on three-dimensional instability of natural convection in a vertical Bridgman growth configuration, Journal of Crystal Growth, 230, 63-72. Get PDF file       Get additional details

  20. Gelfgat A.Yu. and Bar-Yoseph P.Z. 2001. On the magnetic field effect on oscillatory instability of convective flows in a rectangular cavity, Physics of Fluids, 13, 2269-2278. Get PDF file      Get additional details

  21. A.L.Yarin, A.Yu.Gelfgat and P.Z.Bar-Yoseph. 2002. Enhancement of mass transfer in a two-layer Taylor-Couette apparatus with axial flow, Int. J. Heat Mass Transfer, 45, 555-570. Get PDF file

  22.  Gelfgat A.Yu., Bar-Yoseph P.Z. and Yarin A.L. 2001. Three- dimensional instability of a two-layer Dean flow: numerical study by global Galerkin method, Physics of  Fluids, 13, 3185-3195  Get PDF file     Get Appendix I

  23.  Gelfgat A.Yu.  2002. Three-dimensionality of trajectories of experimental tracers in a steady axisymmetric swirling flow: effect of density mismatch, Theoretical and Computational Fluid Dynamics, 16, 29-24 Get PDF file   Get additional details

  24. Gelfgat A.Yu., Bar-Yoseph P.Z. and Yarin A.L. 2003. Dean vortices- induced enhancement of mass transfer through an interface separating two immiscible liquids, Physics of Fluids, 15, 330-347. Get PDF file

  25. Gelfgat A.Yu., Bar-Yoseph P.Z. and Yarin A.L. 2003. Convection- induced enhancement of mass transfer through an interface separating two immsicible liquids in a two-layer horizontal annulus,  Physics of Fluids, 15, 790-800. Get PDF file

  26. Marques F. Gelfgat A.Yu. and Lopez J. M. 2003. Tangent double Hopf bifurcation in a differentially rotating cylinder flow, Physical Review E, 68, 06310, 13pp.  Get PDF file    Get additional details

  27. Erenburg V., Gelfgat A.Yu., Kit E., Bar-Yoseph P.Z., and Solan A. 2003. Multiple states, stability and bifurcations of natural convection in rectangular cavity with partially heated vertical walls, Journal of Fluid Mechanics, 492, 63-89. Get PDF file    Get additional details

  28.  Gelfgat A.Yu. 2004. Stability and slightly supercritical oscillatory regimes of natural convection in a 8:1 cavity: solution of benchmarkproblem by a global Galerkin method, Int. J. Numerical Methods in Fluids, 44, 135-146. Get PDF file

  29.  Gelfgat A.Yu., Bar-Yoseph P.Z. Multiple solutions and stability of confined convective and swirling flows – a continuing challenge, Int. J. Numer. Meth. Heat and Fluid Flow, 14, 213-241. Get PDF file  Get additional details

  30.  Gelfgat Yu.M., Gelfgat A.Yu. 2004. Experimental and numerical study of rotating magnetic field driven flow in cylindrical enclosures with different aspect ratios, Magnetohydrodynamics, 40, 147-160. Get PDF file  Get additional details

  31.  Rubinov A., Erenburg V., Gelfgat A.Yu., Kit E., Bar-Yoseph P.Z., Solan A. 2004. Three-dimensional instabilities of natural convection in a vertical cylinder with partially heated sidewalls, J. Heat Transfer, 126, 586-599. Get PDF file   Get additional details

  32.  Gelfgat A.Yu., Yarin A.L., Bar-Yoseph P.Z., Graham M., Bai G. 2004. Numerical modeling of two-fluid Taylor-Couette flow with deformable capillary liquid-liquid interface. Phys. Fluids, 16, 4066-4074. Get PDF file

  33.  Gelfgat A.Yu., Rubinov A.,  Bar-Yoseph P.Z., Solan A. 2005. Numerical study of three-dimensional instabilities in a hydrodynamic model of czochralski growth, J. Cryst. Growth, 275, e7-e13. Get PDF file

  34.  Gelfgat A.Yu. 2005. On three-dimensional instability of a traveling magnetic field driven flow in a cylindrical container, J. Cryst. Growth, 279, 276-288. Get PDF file          Get additional details

  35.  Gelfgat A.Yu., Rubinov A.,  Bar-Yoseph P.Z., Solan A. 2005. On the three-dimensional instability of thermocapillary convection in arbitrary heated floating zones in microgravity environment, Fluid Dynamics and Material Processing, 1, 21-31. Get PDF file

  36. Gelfgat A.Yu. 2005. Implementation of arbitrary inner product in the global Galerkin method for incompressible Navier-Stokes equations, J. Comput. Phys., 211, 513-530. Get PDF file

  37. Heifetz E., Reuveni Y., Gelfgat A. Yu., Kit E. 2006. The counter-propagating rossby wave perspective o Kelvin-Helmholz instability a limiting case of a Rayleigh shear layer with zero width, Physics of Fluids, 18, 01801. Get PDF file

  38.  Gelfgat A. Yu. and Kit E. 2006. Spatial versus temporal instabilities in a parametrically forced stratified mixing layer, J. Fluid Mech, 552, 189-227. Get PDF file

  39. Gelfgat A. Yu. 2007. Stability of convective flows in cavities: solution of benchmark problems by a low-order finite volume method, Int. J. Numer. Meths. Fluids, 53, 485-506. Get PDF file

  40.  Gelfgat A. Yu. 2007. Three-dimensional stability calculations for hydrodynamic model of Czochralski growth, J. Cryst. Growth, 303, 226-230. Get PDF file

  41. Gelfgat A. Yu. 2007. Three-dimensional instability of axisymmetric flows: solution of benchmark problems by a low-order finite volume method, Int. J. Numer. Meths. Fluids, 54, 269-294. Get PDF file

  42. Gelfgat A. Yu. 2007. Numerical study of three-dimensional instabilities of Czochralski melt flow driven by buoyancy convection, thermocapillarity and rotation. In: Studies on Flow Instabilities in Bulk Crystal Growth, ed. A. Yu. Gelfgat, Transworld Research Network, Kerala, India. Get PDF file

  43. Teitel M., Schwabe D., Gelfgat A.Yu. 2008. Experi-mental and computational study of flow instabilities in a model of Czochralski growth, J. Cryst. Growth, 310, 1343-1348. Get PDF file

  44. Crnogorac N., Wilke H., Cliffe K. A., Gelfgat A. Yu., and Kit E. 2008. Numerical modelling of instability and supercritical oscillatory states in a Czochralski model system of oxide melts, Crystal Research and Technology, 43, 606-615. Get PDF file

  45. Sørensen J. N., Gelfgat A. Yu., Naumov I. V., and Mikkelsen R. F. 2009. Experimental and numerical results on three-dimensional instabilities in a rotating disk–tall cylinder flow, Physics of Fluids, 21,  054102, 5pp. Get PDF file

  46. Feldman Yu. and Gelfgat A. Yu. 2009. On pressure-velocity coupled time-integration of incompressible Navier-Stokes equations using direct inversion of Stokes operator or accelerated multigrid technique, Computers & Structures, 87, 710-720. Get PDF file

  47. Sørensen J. N., Gelfgat A. Yu., Naumov I. V., and Mikkelsen R. F. 2009. Experimental and numerical results on three-dimensional instabilities in a rotating disk–tall cylinder flow, Physics of Fluids, 21,  054102. Get PDF file

  48. Kit E., Gerstenfeld D., Gelfgat A.Y., and Nikitin N.V. 2010. Bulging and bending of Kelvin-Helmholtz billows controlled by symmetry and phase of initial perturbation. Journal of Physics: Conference Series, 216, 012019. Get PDF file

  49. Feldman Yu. and Gelfgat A.Yu. 2010. Oscillatory instability of a 3D lid-driven flow in a cube. Physics of Fluids, 22, 093602. Get PDF file

  50. Shitrit S., Sidilkover D., and Gelfgat A.Yu. 2010. An algebraic multigrid solver for transonic flow problems. Journal of Computational Physics, 230, 1707-1729. Get PDF file

  51. Gelfgat A.Yu. and Molokov S. 2011. Quasi-two-dimensional convection in a 3D laterally heated box in a strong magnetic field normal to main circulation. Physics of Fluids, 23, 034101. Get PDF file

  52. Haslavsky V., Miroshnichenko E., Kit E., and Gelfgat A. Yu. 2011.On experimental and numerical prediction of instabilities in Czochralski melt flow configuration.  Journal of Crystal Growth, 318, 156-161. Get PDF file

  53. Feldman Yu. and Gelfgat A.Yu. 2011. From multi- to single-grid CFD on massively parallel computers: numerical experiments on lid-driven flow in a cube using pressure-velocity coupled formulation. Computers & Fluids, 46, 218-223. Get PDF file

  54. Liberzon A., Feldman Yu., and Gelfgat A. Yu. 2011. Experimental observation of the steady – oscillatory transition in a cubic lid-driven cavity. Physics of Fluids, 23, 084106. Get PDF file

  55. Gelfgat A.Yu. 2011. Destabilization of convection by weak rotation. Journal of Fluid Mechanics, 685, 377-412. Get PDF file

  56. Vitoshkin H., Heifetz E., Gelfgat A. Yu. , Harnik N. 2012. On the role of vortex stretching in energy optimal growth of three dimensional perturbations on plane parallel shear flows. Journal of Fluid Mechanics, 707, 369-380. Get PDF file

  57. Vitoshkin H., Gelfgat A. Yu. 2013. On direct inverse of Stokes, Helmholtz and Laplacian operators in view of time-stepper-based Newton and Arnoldi solvers in incompressible CFD, Communications in Computational Physics, 14, 1103-1119. Get PDF file

  58. Dijkstra H.A., Wubs F.W., Cliffe A.K., Doedel E., Dragomirescu I.F., Eckhardt B., Gelfgat A.Yu. , Hazel A.L., Lucarini V.,10, Salinger A.G. , Phipps E.T., Sanchez-Umbria J., Schuttelaars H. , Tuckerman L.S., Thiele U. 2013. Numerical bifurcation methods and their application to fluid dynamics: Analysis beyond simulation.Communications in Computational Physics, 15, 1-45. Get PDF file

  59. Haslavsky V., Kit E., and Gelfgat A. Yu. 2013. Experimental modelling of Czochralski melt flow with a slow crystal dummy rotation. Acta Physica Polonica, Pt. A, 124, 193-197. Get PDF file

  60. Haslavsky V., Kit E., Miroshnichenko E., and Gelfgat A. Yu. 2013. Comparison and a possible source of disagreement between experimental and numerical results in a Czochralski model. Fluid Dynamics and Materials Processing, 9, 209-234. Get PDF file

  61. Gelfgat A. Yu. 2014. Visualization of three-dimensional incompressible flows by quasi-two-dimensional divergence-free projections. Computers & Fluids, 97, 143-155. Get PDF file

  62. Vitoshkin H., Gelfgat A. Yu. 2014 Non-modal disturbances growth in a viscous mixing layer flow. Fluid Dynamics Research, 46, 041414. Get PDF file

  63. Gelfgat A. Yu. 2015  Primary oscillatory instability in a rotating disk-cylinder system with aspect (height/radius) ratio varying from 0.1 to 1, Fluid Dynamics Research, 47, 035502. Get PDF file

  64.  Miroshnichenko E., Kit E., and Gelfgat A. Yu. 2016. Experimental study of cold plume instability in large Prandtl number Czochralski melt: Parametric dependences and scaling laws. J. Cryst. Growth, 438, 38-42. Get PDF file

  65. Barmak I., Gelfgat A., Vitoshkin H., Ullmann A., and Brauner N. 2016 Stability of stratified two-phase flows in horizontal channels, Physics of Fluids, 28, 044101. Get PDF file

  66. Gelfgat A. Yu. 2016 Visualization of three-dimensional incompressible flows by quasi-two-dimensional divergence-free projections in arbitrary flow regions. Theor. Comput. Fluid Dyn., 30, 339-348. Get PDF file

  67. Barmak I., Gelfgat A., Ullmann A., and Brauner N. 2016 Stability of stratified two-phase flows in inclined channels, Physics of Fluids, 28, 084101. Get PDF file

  68. Miroshnichenko E., Kit E., and Gelfgat A. Yu. 2016. Effect of the capillary meniscus height on the instability of large Prandtl number Czochralski melt flow. J. Cryst. Growth, 453, 20-26. Get PDF file

  69.  Barmak I., Gelfgat A., Ullmann A., and Brauner N. 2017. On the Squire’s transformation for stratified two-phase flows in inclined channels. Int. J. Multiphase flow, 88, 142-151. Get PDF file

  70. Gelfgat A. Yu. 2017. Time-dependent modeling of oscillatory instability of three-dimensional natural convection of air in a laterally heated cubic box. Theor. Comput. Fluid Dyn., 31, 447-469. Get PDF file

  71. Gelfgat A. Yu., Zikanov O. 2018. Computational modeling of magnetoconvection: effects of discretization method, grid refinement and grid stretching. Computers & Fluids, 175, 66-82. Get PDF file

  72.  Gelfgat A. Yu. On acceleration of Krylov-subspace-based Newton and Arnoldi iterations for incompressible CFD: replacing time steppers and generation of initial guess. In: Computational Modelling of Bifurcations and Instabilities in Fluid Dynamics, ed. A. Gelfgat, Springer, 2018, pp. 147-167. Get PDF file

  73.  Gelfgat A. Yu. Global Galerkin method for stability studies in incompressible CFD and other possible applications. In: Computational Modelling of Bifurcations and Instabilities in Fluid Dynamics, ed. A. Gelfgat, Springer, 2018, pp. 353-398. Get PDF file

  74.   Gelfgat A. Yu. 2020. A comparative study on instability of steady flows in helical pipes. Fluid Dynamics Research, 52, 015511. Get PDF file

  75. Gelfgat A. Yu. 2020. Instability of natural convection in a laterally heated cube with perfectly conducting horizontal boundaries. Theor. Comput. Fluid Dyn., 34, 693-711. Get PDF file

  76.  Gelfgat A. Yu. 2020. Instability of natural convection of air in a laterally heated cube with perfectly insulated horizontal boundaries and perfectly conducting spanwise boundaries. Physical Review Fluids, 5, 093901. Get PDF file

  77.  Gelfgat A. 2020. Instability of steady flows in helical pipes. Physical Review Fluids, 5, 103904. Get PDF file

  78.  Gelfgat A., Brauner N. 2020. Instability of stratified two-phase flows in rectangular ducts. Int. J. Multiphase Flow, 111, 103395. Get PDF file 

  79.   Vitoshkin H., Gelfgat A. 2021. Non-modal three-dimensional optimal perturbation growth in thermally stratified mixing layers. Fluids, 6, 1-18. Get PDF file

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Prof. Alexander Gelfgat

e-mail: gelfgat@tau.ac.il

fax: 972-3-6407334

phone: 972-3-6407207

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