Grétar Tryggvason, Ph.D.

Publications

S. Thomas, A. Esmaeeli and G. Tryggvason. "Multiscale computations of thin films in multiphase flows." IntÕl J. Multiphase Flow. To Appear.
H. Terashima and G. Tryggvason. "A front-tracking/ghost fluid method for fluid interfaces in compressible flows." Journal of Computational Physics. To Appear.
S. Radl, A. Koynov, G. Tryggvason, and J. G. Khinast. "DNS-based Prediction of the Selectivity of Fast Multiphase Reactions: Hydrogenation of Nitroarenes." Chem Eng Sci. 63 (2008), 3279-3291.
M. Stock, W. J. A Dahm and G. Tryggvason. "Impact of a vortex ring on a density interface using a regularized inviscid vortex sheet method." Journal of Computational Physics 227 (2008) 9021-9043.
C.F. Delale and G. Tryggvason. "Shock structure in bubbly liquids: Comparison of Direct Numerical Simulations and model equations." Shock Waves 17 (2008), 433-440. DOI 10.1007/s00193-008-0126-1
J. Palacios and G. Tryggvason. "The transient motion of buoyant bubbles in a vertical Couette flow." AMD Contemporary Mathematics 466 (2008), 135-146.
C.F. Delale, G. Tryggvason and S. Nas. "Cylindrical bubble dynamics: Exact and DNS results. Physics of Fluids 20, 040903 (2008)
L. Lu and G. Tryggvason. "Effect of Bubble Deformability in Turbulent Bubbly Upflow in a Vertical Channel." Physics of Fluids 20 040701 (2008). Also selected for the May 12, 2008 issue of Virtual Journal of Nanoscale Science & Technology.
M. Muradoglu and G. Tryggvason. "A front-tracking method for computation of interfacial flows with soluble surfactants." Journal of Computational Physics 227 (2008), 2238-2262.
A. Koynov, G. Tryggvason and J G Khinast. "Characterization of the localized hydrodynamic shear forces and dissolved oxygen distribution in sparged bioreactors." Biotechnol Bioeng. 97 (2007), 317-331
S. Biswas and G. Tryggvason. "The transient buoyancy driven motion of bubbles across a two-dimensional quiescent domain." IntÕl J. Multiphase Flow 33 (2007), 1308-1319.
S. Radl, G. Tryggvason and J. Khinast. "Flow and Mass Transfer of Fully Resolved Bubbles in non-Newtonian Fluids." AIChE Journal 53 (2007), 1861-1878. Available online.
R.K. Vuta, R. Lu and G. Tryggvason. "A Two-dimensional Cell Motility Model." J. Mathematical Sciences (Scientific Journals International) Volume 1, Issue 1 (2007) (http://www.scientificjournals.org/j_of_math.htm)
J. Lu and G. Tryggvason. "Effect of Bubble Size in Turbulent Bubbly Downflow in a Vertical Channel." Chemical Engineering Science 62 (2007), 3008-3018.
R. F. Kunz, H. J. Gibeling, M. R. Maxey, G. Tryggvason, A. A. Fontaine, H. L. Petrie, S. L. Ceccio. "Validation of Two-Fluid Eulerian CFD Modeling for Microbubble Drag Reduction Across a Wide Range of Reynolds Numbers." Journal of Fluids Engineering 129 (2007), 66-79.
G. Tryggvason, A. Esmaeeli, J. Lu, S. Homma, and S. Biswas. "Recent Progress in Computational Studies of Disperse Bubbly Flows." Multiphase Flow Science and Technology 18 (2006), 231-249.
J. Lu and G. Tryggvason. "Numerical study of turbulent bubbly downflows in a vertical channel." Physics of Fluids 18, 103302 (2006). Available online.
G. Tryggvason, A. Esmaeeli, J. Lu and S. Biswas. "Direct Numerical Simulations of Gas/Liquid Multiphase Flows." Fluid Dynamics Research 38 (2006), 660-681.
J. Lu, S. Biswas, and G. Tryggvason. "A DNS study of laminar bubbly flows in a vertical channel." International Journal of Multiphase Flow 32 (2006), 643-660. Available online.
S. Nas, M. Muradoglu and G. Tryggvason. "Pattern Formation of Drops in Thermocapillary Migration." International Journal of Heat and Mass Transfer 49 (2006), 2265-2276. Available online.
S. Homma, J. Koga, S. Matsumoto, M. Song, and G. Tryggvason. "Breakup mode of an axisymmetric liquid jet injected into another immiscible liquid." Chemical Engineering Science 61 (2006), 3986-3996. Available online.
A. Koynov, G. Tryggvason, M. Schlüter, and J. G. Khinast. "Mass Transfer and Chemical Reactions in Reactive Deformable Bubble Swarms." Applied Physics Letters 88 (2006), 134102 (3 pages). Available online.
C.F. Delale, S. Nas and G. Tryggvason. "Direct Numerical Simulations of Shock Propagation in Bubbly Liquids." Physics of Fluids 17 (2005), 121705 (4 pages). Available online.
A. Fernandez, J. Che, S.L. Ceccio, and G. Tryggvason. "The Effects of Electrostatic Forces on the distribution of Drops in a Channel Flow - Two-Dimensional Oblate Drops." Physics of Fluids 17 (2005), 093302 (15 pages). Available online.
A. Esmaeeli and G. Tryggvason. "A DNS study of the buoyant rise of bubbles at O(100) Reynolds numbers." Physics of Fluids 17 (2005), 093303 (19 pages). Available online.
J. Lu, A. Fernandez, and G. Tryggvason. "The effect of bubbles on the wall shear in a turbulent channel flow." Physics of Fluids 17 (2005), 095102 (12 pages). Available online.
S. Biswas, A. Esmaeeli, and G. Tryggvason. "Comparison of results from DNS of bubbly flows with a two-fluid model for two-dimensional laminar flows." International Journal of Multiphase Flows 31 (2005), 1036-1048. Available online.
V.S. Warke, G. Tryggvason, and M.M. Makhlouf. "Mathematical Modeling and Computer Simulation of Molten Aluminum Cleansing by the Rotating Impeller Degasser: Part I. Fluid Flow" Journal of Materials Processing Technology 168 (2005), 112-118. Available online.
A. Koynov, G. Tryggvason, and J. G. Khinast. "Mass Transfer and Chemical Reactions in Bubble Swarms with Dynamic Interfaces." AIChE Journal 10 (2005), 2786-2800. Available online.
G. Owies, I. E. van der Hout, C. Iyer, G. Tryggvason, and S. L. Ceccio. "Capture and Inception of Bubbles Near Line Vortices." Physics of Fluids 17 (2005), 022105 (14 Pages). Available online.
G. Tryggvason, A. Esmaeeli, and N. Al-Rawahi. "Direct numerical simulations of flows with phase change." Computers & Structure 83 (2005), 445-453. Available online.
A. Esmaeeli and G. Tryggvason. "Computations of Multimode Film Boiling on Horizontal Surfaces. Part II: Multimode Film Boiling." International Journal of Heat and Mass Transfer 47 (2004), 5463-5476. Available online.
A. Esmaeeli and G. Tryggvason. "Computations of Multimode Film Boiling on Horizontal Surfaces. Part I: Numerical Method." International Journal of Heat and Mass Transfer 47 (2004), 5451-5461. Available online.
D. Dutta, D. E. Geister, and G. Tryggvason. "Introducing Hands-On Experience in Design/Manufacturing Education." International Journal of Engineering Education - Special issue on Manufacturing Engineering Education 20 (4), 2004. 754-763. Available online.
A. Esmaeeli and G. Tryggvason. "A Front Tracking Method for Computations of Boiling in Complex Geometries." International Journal of Multiphase Flow 30 (2004), 1037-1050. Available online.
N. Al-Rawahi and G. Tryggvason. "Numerical simulation of dendritic solidification with convection: Three-dimensional flow." Journal of Computational Physics 194 (2004), 677-696. Available online.
Che, J., S. L. Ceccio, and G. Tryggvason. "Computations of structures formed by the solidification of impinging molten metal drops." Applied Mathematical Modelling 28 (2004), 127-144. Available online.
G. Tryggvason. "Direct Numerical Simulations of Multiphase Flow." Multiphase Science and Technology 15 (2003), 1047-1059. Available online.
A. Prosperetti, and G. Tryggvason. "Appendix 3: Report of study group on computational physics." International Journal of Multiphase Flow 29 (2003), 1089-1099. Available online.
T.J. Hanratty, T. Theofanous, J.-M. Delhaye, J. Eaton, J. McLaughlin, A. Prosperetti, S. Sundaresan and G. Tryggvason. "Workshop Findings." International Journal of Multiphase Flow 29 (2003), 1047-1059. Available online.
B. Bunner and G. Tryggvason. "Effect of Bubble Deformation on the Stability and Properties of Bubbly Flows." Journal of Fluid Mechanics 495 (2003), 77-118. Available online.
A. Esmaeeli and G. Tryggvason. "Computations of Explosive Boiling in Microgravity." Journal of Scientific Computing 19 (2003), 163-182. Available online.
G. Tryggvason, B. Bunner, A. Esmaeeli, and N. Al-Rawahi. "Computations of Multiphase Flows." Advances in Applied Mechanics 39 (2003), 81-120. Available online.
S. Nas and G. Tryggvason. "Thermocapillary interaction of two bubbles or drops." International Journal of Multiphase Flows 29 (2003), 1117-1135. Available online.
K. Sankaranarayanan, I.G. Kevrekidis, S. Sundaresan, J. Lu, and G. Tryggvason. "A comparative study of lattice Boltzmann and front-tracking finite-difference methods for bubble simulations." International Journal of Multiphase Flows 29 (2003), 109-116. Available online.
B. Bunner and G. Tryggvason. "Dynamics of Homogeneous Bubbly Flows. Part 2, Fluctuations of the Bubbles and the Liquid." Journal of Fluid Mechanics 466 (2002), 53-84. Available online.
B. Bunner and G. Tryggvason. "Dynamics of Homogeneous Bubbly Flows. Part 1. Rise Velocity and Microstructure of the Bubbles." Journal of Fluid Mechanics 466 (2002), 17-52. Available online.
W. Tauber, S.O. Unverdi, and G. Tryggvason. "The nonlinear behavior of a sheared immiscible fluid interface." Physics of Fluids 14 (2002), 2871-2885. Available online.
N. Al-Rawhai and G. Tryggvason. "Computations of the growth of dendrites in the presence of flow. Part I-Two-dimensional Flow." Journal of Computational Physics 180 (2002), 471-496. Available online.
J. Zhang, M.J. Miksis, S.G. Bankoff, and G. Tryggvason. "Nonlinear dynamics of an interface in an inclined channel." Physics of Fluids 14 (2002), 1877-1885. Available online.
G. Tryggvason, M. Thouless, D. Dutta, S. L. Ceccio, and D. M. Tilbury. "The New Mechanical Engineering Curriculum at the University of Michigan." Journal of Engineering Education 90 (2001), 437-444. Available online.
J. Han and G. Tryggvason. "Secondary Breakup of Liquid Drops in Axisymmetric Geometry - Part II. Impulsive Acceleration." Physics of Fluids 13 (2001), 1554-1565. Available online.
G. Tryggvason, B. Bunner, A. Esmaeeli, D. Juric, N. Al-Rawahi, W. Tauber, J. Han, S. Nas, and Y.-J. Jan. "A Front Tracking Method for the Computations of Multiphase Flow." Journal of Computational Physics 169 (2001), 708-759. Available online.
S. J. Chen, W. J. A. Dahm and G. Tryggvason. "Effects of heat release in a reacting vortex ring." Proceedings of the Combustion Institute 28: Part 1 (2000), 515-520.
V. Ramachandran, R. Venkatesan, G. Tryggvason, and H. S. Fogler. "Low Reynolds Number Interactions Between Colloidal Particles Near the Entrance to a Cylindrical Pore." Journal of Colloid and Interface Science 229 (2000), 311-322. Available online.
S. Mortazavi and G. Tryggvason. "A numerical study of the motion of drops in Poiseuille flow. Part 1. Lateral migration of one drop." Journal of Fluid Mechanics. 411 (2000), 325-350. Available online.
W. Tauber and G. Tryggvason. "Direct Numerical Simulations of Primary Breakup." Computational Fluid Dynamics Journal 9 (2000), 594. Available online.
B. Bunner and G. Tryggvason. "An Examination of the Flow Induced by Buoyant Bubbles." Journal of Visualization 2 (1999), 153-158.
J. Han and G. Tryggvason. "Secondary Breakup of Liquid Drops in Axisymmetric Geometry - Part I, Constant Acceleration." Physics of Fluids 11 (1999), 3650-3667. Available online.
M. Jaeger, M. Carin, M. Medale, and G. Tryggvason. "The Osmotic Migration of Cells in a Solute Gradient." Biophysical Journal 77 (1999), 1257-1267. Available online.
M. Song and G. Tryggvason. "The Formation of a Thick Border on an Initially Stationary Fluid Sheet." Physics of Fluids 11 (1999), 2487-2493. Available online.
B. Bunner and G. Tryggvason. "Direct Numerical Simulations of Three-Dimensional Bubbly Flows." Physics of Fluids 11 (1999), 1967-1969. Available online.
A. Esmaeeli and G. Tryggvason. "Direct Numerical Simulations of Bubbly Flows. Part II - Moderate Reynolds Number Arrays." Journal of Fluid Mechanics 385 (1999), 325-358. Available online.
A. Esmaeeli and G. Tryggvason. "Direct Numerical Simulations of Bubbly Flows. Part I - Low Reynolds Number Arrays." Journal of Fluid Mechanics 377 (1998), 313-345. Available online.
D. Juric and G. Tryggvason. "Computations of Boiling Flows." International Journal of Multiphase Flow 24 (1998), 387-410. Available online.
G. Agresar, J.J. Linderman, G. Tryggvason, and K.G. Powell. "An Adaptive, Cartesian, Front-Tracking Method for the Motion, Deformation and Adhesion of Circulating Cells." Journal of Computational Physics 143 (1998), 346-380. Available online.
J. Quian, G. Tryggvason, and C.K. Law. "A Front Tracking Method for the Motion of Premixed Flames." Journal of Computational Physics 144 (1998), 52-69. Available online.
Y. Yang and G. Tryggvason. "Dissipation of Energy by Finite Amplitude Surface Waves." Computers & Fluids 27 (1998), 829-845. Available online.
E. Loth, M. Taeibi-Rahni, and G. Tryggvason. "Deformable Bubbles in a Free Shear." International Journal of Multiphase Flow 23 (1997), 977-1001. Available online.
B. S. Dooley, A. E. Warncke, M. Gharib, and G. Tryggvason. "Vortex ring generation due to the coalescence of a water drop at a free surface." Experiments in Fluids 22 (1997), 369-374. Available online.
E.A. Ervin and G. Tryggvason. "The Rise of Bubbles in a Vertical Shear Flow." ASME Journal of Fluid Engineering 119 (1997), 443-449 Available online.
A. Esmaeeli and G. Tryggvason. "An Inverse Energy Cascade in Two-Dimensional, Low Reynolds Number Bubbly Flows." Journal of Fluid Mechanics 314 (1996), 315-330. Available online.
M.R.H. Nobari, and G. Tryggvason. "Numerical Simulations of Three-Dimensional Drop Collisions." AIAA Journal 34 (1996), 750-755. Available online.
D. Juric and G. Tryggvason. "A Front Tracking Method for Dentritic Solidification." Journal of Computational Physics 123 (1996), 127-148. Available online.
W.J.A. Dahm, G. Tryggvason and M. Zhuang. "Integral Method Solution of Time-Dependent Strained Diffusion-Reaction Equations with Multi-Step Kinetics." SIAM Journal of Applied Mathematics 56(4) (1996), 1039-1059. Available online.
M.R. Nobari, Y.-J. Jan and G. Tryggvason. "Head-on Collision of Drops--A Numerical Investigation." Physics of Fluids 8 (1996), 29-42. Available online.
P.-W. Yu, S.L. Ceccio, and G. Tryggvason. "The Collapse of a Cavitation Bubble in Shear Flows-A Numerical Study." Physics of Fluids 7 (1995), 2608-2616. Available online.
M. Taeibi-Rahni, E. Loth and G. Tryggvason. "DNS Simulations of Large Bubbles in Mixing Layer Flow." International Journal of Multiphase Flow 20 (1994), 1109-1128. Available online.
W.J.A. Dahm, C.E. Frieler and G. Tryggvason. "Vortex Structure and Dynamics in the Near Field of a Coaxial Jet." Journal of Fluid Mechanics 241 (1992), 371-402. Available online.
S.O. Unverdi and G. Tryggvason. "Computations of Multi-Fluid Flows." Physica D 60 (1992), 70-83. Available online.
M. Song, L.P. Bernal and G. Tryggvason. "Head-on Collision of a Large Vortex Ring with a Free Surface." Physics of Fluids A 4 (1992), 1457-1466. Available online.
G. Tryggvason, J. Abdollahi-Alibeik, W. Willmarth and A. Hirsa. "Collision of a Vortex Pair with a Contaminated Free Surface." Physics of Fluids A 4 (1992), 1215-1229. Available online.
S.O. Unverdi, G. Tryggvason. "A Front Tracking Method for Viscous Incompressible Flows." Journal of Computational Physics 100 (1992), 25-37. Available online.
G. Tryggvason, S.O. Unverdi, M. Song and J. Abdollahi-Alibeik. "Interaction of Vortices with a Free Surface and Density Interfaces." Lectures in Applied Mathematics 28, (1991).
C.H.H. Chang, W.J.A. Dahm and G. Tryggvason. "Lagrangian Model Simulations of Molecular Mixing, Including Finite Rate Chemical Reactions, in a Temporally Developing Shear Layer." Physics of Fluids A 3 (1991), 1300-1311. Available online.
G. Tryggvason, W.J.A. Dahm and K. Sbeih. "Fine Structure of Vortex Sheet Rollup by Viscous and Inviscid Simulations." ASME Journal of Fluid Engineering 113 (1991), 31-36. Available online.
G. Tryggvason and W.J.A. Dahm. "An Integral Method for Mixing Chemical Reactions, and Extinction in Unsteady, Strained Diffusion Layers." Combustion and Flame 83 (1991), 207-220. Available online.
D. Yu and G. Tryggvason. "The Free Surface Signature of Unsteady, Two-Dimensional Vortex Flows." Journal of Fluid Mechanics 218 (1990), 547-572. Available online.
G. Tryggvason and S.O. Unverdi. "Computations of Three-Dimensional Rayleigh-Taylor Instability." Physics of Fluids A 2 (1990), 656-659. Available online.
H. Aref and G. Tryggvason. "A Model of Rayleigh-Taylor Instability." Physical Review Letters 62 (1989), 749-752. Available online.
W. W. Willmarth, G. Tryggvason, A. Hirsa and D. Yu. "Vortex Pair Generation and Interaction with a Free Surface." Physics of Fluids A 1 (1989), 170-172. Available online.
W.J.A. Dahm, C.M. Scheil and G. Tryggvason. "Dynamics of Vortex Interaction with a Density Interface." Journal of Fluid Mechanics 205 (1989), 1-43. Available online.
G. Tryggvason. "Simulation of Vortex Sheet Roll-Up by Vortex Methods." Journal of Computational Physics 79 (1989), 1-16. Available online.
G. Tryggvason. "Deformation of a Free Surface as a Result of Vortical Flows." Physics of Fluids 31 (1988), 955-957. Available online.
G. Tryggvason. "Numerical Simulation of the Rayleigh-Taylor Instability." Journal Computational Physics 75 (1988), 253-282. Available online.
J. Glimm, J. Grove, B. Lindquist, O. McBryan and G. Tryggvason. "The Bifurcation of Tracked Scalar Waves." SIAM Journal on Scientific and Statistical Computing 9 (1988), 61-79. Available online.
H. Aref, S.W. Jones and G. Tryggvason. "On Lagrangian Aspects of Flow Simulation." Complex Systems 1 (1987), 545-558. Available online.
G. Tryggvason, and H. Aref. "Finger Interaction Mechanisms in Stratified Hele Shaw Flow." Journal of Fluid Mechanics 154 (1985), 284-301. Available online.
H. Aref and G. Tryggvason. "Vortex Dynamics of Passive and Active Interfaces." Physica D 12D (1984), 59-70. Available online.
G. Tryggvason and H. Aref. "Numerical Experiments on Hele Shaw Flow with a Sharp Interface." Journal of Fluid Mechanics 136 (1983), 1-30. Available online.