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Navier-Stokes equations (fluid mechanics). He addressed the central limitation associated with Green's function techniques by employing stochastic processes, specifically random walkers, to estimate highly accurate and non-problem-specific Green functions. At the beginning of the project, he presented three stochastic-based methods for solving unsteady scalar transport problems in bounded, single-phase domains, encompassing
Dirichlet, Neumann, and/or mixed initial boundary value problems. He then proposed a framework that integrated Green's function (GF) methods with techniques from the theory of stochastic processes which enabled the resolution of nonlinear evolution problems.
291:
length scales to long, multiparticle flow scales – are dynamically equivalent to dense (liquid state) molecular hydrodynamic system. He explored the potential and use of particle image velocimetry (PIV) as a diagnostic tool for studying fundamental features associated with vibrational finishing and for developing system-independent control strategies. In addition, he presented a technique to measure the kinematic viscosity of granular flows using a low
Reynolds number cylinder drag experiment.
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of fluid flow problems, including secondary streaming flow, thermocapillary and buoyancy driven flow in fluid collars, linear and nonlinear waves on cylindrical menisci, supersonic and hypersonic flows in various geometries, shock train evolution in supersonic nozzles, and turbulent boundary layer separation in rocket nozzles as well as mass and heat transfer problems. He also worked on computational optimization for planning noninvasive cryosurgeries.
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Keanini's research focused on the liquid state and the dynamics of single molecules occurring on timescales ranging from microseconds to femtoseconds (10 to 10). Employing nonequilibrium statistical and quantum mechanical arguments, he revealed two significant findings: the emergence of viscosity and
228:
Following his Ph.D., Keanini began his academic career as an assistant professor of
Mechanical Engineering in 1992 at the University of North Carolina at Charlotte and was promoted to associate professor in 1998. Since 2007, he has been serving as a professor of Mechanical Engineering and Engineering
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Keanini has also contributed towards the physical modeling of environmentally-driven fracture processes in rocks and the development of computational and theoretical, direct and inverse models of various materials processing operations. Since 1992, his research has focused on the analytical modeling
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Keanini carried out a series of experimental and theoretical studies at UNC Charlotte to develop experimentally accessible analogs of liquid state molecular hydrodynamic systems and demonstrated that vibrated beds of high restitution (ceramic) grains – from short interparticle collision time and
1267:
Keanini, R. G.; Nortey, T. D.; Thorsett-Hill, Karen; Srivastava, N.; Hellman, Sam; Tkacik, P. T.; Knight, P. Douglas (2011). "Shock-Induced
Turbulent Boundary Layer Separation in Over-Expanded Rocket Nozzles: Physics, Models, Random Side Loads, and the Diffusive Character of Stochastic Rocket
281:
Keanini has worked on the application of Green's function and introduced a new technique for solving physical problems governed by linear partial differential equations, including Schrödinger's equation (quantum mechanics), Maxwell's equations (classical electromagnetism), and the linearized
273:
the occurrence of self-diffusive molecular hopping driven by phonons in liquids. This work provided an explanation of these phenomena. Furthermore, he developed and tested a self-consistent
Langevin model for describing the dynamics of single molecules in the liquid state.
248:, he created a predictive model to analyze circulation-driven nutrient/mass transfer in chicken embryos' bones. Moreover, at the Center for Precision Metrology, UNC Charlotte, he modeled high-precision packed-bed thermal attenuators/controllers and applied PIV
861:
Keanini, Russell G.; Dahlberg, Jerry; Brown, Philip; Morovati, Mehdi; Moradi, Hamidreza; Jacobs, Donald; Tkacik, Peter T. (November 2023). "Stochastic estimation of Green's functions with application to diffusion and advection-diffusion-reaction problems".
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Keanini, R.G. (April 2011). "Green's function-stochastic methods framework for probing nonlinear evolution problems: Burger's equation, the nonlinear Schrödinger's equation, and hydrodynamic organization of near-molecular-scale vorticity".
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Eppes, Martha Cary; Aldred, Jennifer; Berberich, Samantha; Dahlquist, Maxwell P.; Evans, Sarah G.; Keanini, Russell; Moser, Faye; Morovati, Mehdi; Porson, Steven; Rasmussen, Monica; Rinehart, Alex; Shaanan, Uri (12 December 2022).
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Fleischhauer, Eric; Dahlberg, Jerry L; Solomon, Jason M; Keanini, Russell G; Tkacik, Peter T (1 May 2019). "Kinematic viscosity measurement of granular flows via low
Reynolds number cylinder drag experiment".
244:, he developed theoretical and inverse methods for predicting and monitoring heat transfer during high-speed metal rolling processes. Additionally, while working at the Center for Marine Science Research at
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Eppes, Martha-Cary; Heap, Mike; Baud, Patrick; Bonami, Thomas; Dahlquist, Max; Keanini, Russell; LaCroix, Cyril; Rasmussen, Monica; Rinehart, Alex; El Alaoui, Youness; Windenberger, Adrien (15 May 2023).
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Keanini, Russell G.; Roer, Robert D.; Dillaman, Richard M. (August 1995). "A theoretical model of circulatory interstitial fluid flow and species transport within porous cortical bone".
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Lawton, Kevin M.; Patterson, Steven R.; Keanini, Russell G. (1 May 2003). "Direct contact packed bed thermal gradient attenuators: Theoretical analysis and experimental observations".
185:. In 1998, he published an online set of course notes in Advanced Viscous Flow which corresponded to expanded homework and exam problems developed by Stephen Morris at UC Berkeley.
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Fleischhauer, E.; Azimi, F.; Tkacik, P.; Keanini, R.; Mullany, B. (March 2016). "Application of particle image velocimetry (PIV) to vibrational finishing".
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Keanini, Russell G. (January 1998). "Inverse estimation of surface heat flux distributions during high speed rolling using remote thermal measurements".
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Keanini's research interests span the fields of fundamental fluid physics and math problems, with a particular interest in physical, analytical, and
445:
Ling, Xianwu; Keanini, Russell G.; Cherukuri, H. P. (7 March 2003). "A non-iterative finite element method for inverse heat conduction problems".
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Keanini, R.G (8 February 2007). "Random walk methods for scalar transport problems subject to
Dirichlet, Neumann and mixed boundary conditions".
329:"In vivo creep and stress relaxation experiments to determine the wall extensibility and yield threshold for the sporangiophores of phycomyces"
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996:
Keanini, R. G.; Tkacik, Peter T.; Fleischhauer, Eric; Shahinian, Hossein; Sholar, Jodie; Azimi, Farzad; Mullany, Brid (31 January 2017).
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Keanini, Russell G.; Rubinsky, Boris (September 1993). "Three-dimensional simulation of the plasma arc welding process".
217:
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Keanini, Russell G. (July 1994). "Thermocapillary, buoyancy and shear-driven flow within thin annular fluid collars".
1357:
583:
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Johnson, R.E.; Keanini, R.G. (March 1998). "An asymptotic model of work roll heat transfer in strip rolling".
848:"Molecular hopping in solid-like liquids: Understanding the self-diffusion and viscosity of liquid molecules"
314:
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Science at the
William States Lee College of Engineering of the University of North Carolina Charlotte.
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Mullany, B.; Shahinian, H.; Navare, J.; Azimi, F.; Fleischhauer, E.; Tkacik, P.; Keanini, R. (2017).
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dynamics, particularly in Saturn-V-scale rockets. During his time at the Alcoa
Technical Center in
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236:, Keanini focused on studying altitude-dependent turbulent boundary layer separation and random
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545:"Russell Keanini | Mechanical Engineering and Engineering Science | UNC Charlotte"
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Keanini, R. G.; Rubinsky, B. (1 November 1992). "Optimization of
Multiprobe Cryosurgery".
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Keanini, R. G.; Rubinsky, B. (1 November 1992). "Optimization of Multiprobe Cryosurgery".
8:
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with a thesis titled "Numerical and analytical studies of phase change processes".
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from 1984 to 1990. In 1992, he received his Ph.D. in Mechanical Engineering from the
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Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
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1055:"The application of computational fluid dynamics to vibratory finishing processes"
800:"On the physical mechanisms underlying single molecule dynamics in simple liquids"
484:"Mechanical weathering and rock erosion by climate-dependent subcritical cracking"
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Development of an accessible, dynamically equivalent molecular hydrodynamic analog
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1133:"Standardized field methods for fracture-focused surface processes research"
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Ortega, Joseph K.E.; Zehr, Edwin G.; Keanini, Russell G. (September 1989).
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Keanini, Russell G.; Dahlberg, Jerry; Tkacik, Peter T. (28 January 2021).
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1180:"Testing natural fracture growth-fracturing resilience feedbacks in rock"
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566:"Kirk Bryan Award – Quaternary Geology & Geomorphology Division"
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Bootstrap technique for (stochastically) estimating Green’s function
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in 1983 and pursued a Master's in Mechanical Engineering from the
1251:"Linear and nonlinear waves on coating entrance menisci Abstract"
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Physical modeling of single molecule dynamics in nonpolar liquids
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584:"Lecture notes: Advanced Fluid Mechanics | Russ Keanini"
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in 1987. He served as a Graduate Student Researcher at the
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Numerical and analytical studies of phase change processes
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International Journal for Numerical Methods in Engineering
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Keanini's research is focused on molecular hydrodynamics,
92:
Numerical and analytical studies of phase change processes
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at the William States Lee College of Engineering of the
732:
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of molecular dynamics in polar and non-polar liquids.
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National Aeronautics and Space Administration (NASA)
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998:"Macroscopic liquid-state molecular hydrodynamics"
482:Eppes, Martha-Cary; Keanini, Russell (June 2017).
380:"Plasma arc welding under normal and zero gravity"
1363:University of North Carolina at Charlotte faculty
326:
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1308:
1217:International Journal of Heat and Mass Transfer
665:International Journal of Heat and Mass Transfer
630:International Journal of Heat and Mass Transfer
418:International Journal of Heat and Mass Transfer
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193:Keanini earned his Baccalaureate degree in
773:Journal of Materials Processing Technology
212:from 1988 to 1989 and was a Member of the
1373:University of California, Berkeley alumni
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1184:Egu General Assembly Conference Abstracts
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148:University of North Carolina at Charlotte
108:University of North Carolina at Charlotte
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154:for his contributions to the field of
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378:Keanini, R. G.; Rubinsky, B. (1990).
138:, and academic. He is a professor of
1368:University of Colorado Denver alumni
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218:University of California at Berkeley
80:University of California at Berkeley
864:Applied Mathematics and Computation
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1089:Measurement Science and Technology
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252:to vibratory finishing processes.
150:. He is the recipient of the 2020
14:
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1343:21st-century American physicists
1270:Mass Transfer – Advanced Aspects
785:10.1016/j.jmatprotec.2015.09.017
735:Review of Scientific Instruments
181:methods, and the utilization of
1378:Colorado School of Mines alumni
1353:American applied mathematicians
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1348:American mechanical engineers
685:10.1016/S0017-9310(97)00144-0
650:10.1016/S0017-9310(97)00175-0
597:Keanini, Russell Guy (1992).
525:
353:10.1016/S0006-3495(89)82694-3
315:Geological Society of America
203:University of Colorado Denver
173:, with a primary interest in
76:University of Colorado Denver
1237:10.1016/0017-9310(94)90174-0
1201:10.5194/egusphere-egu23-5158
712:10.1016/0021-9290(94)00157-Y
438:10.1016/0017-9310(93)90011-T
234:Marshall Space Flight Center
16:American mechanical engineer
7:
255:
10:
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1383:United States Navy sailors
1072:10.1016/j.cirp.2017.04.087
816:10.1038/s41598-021-82112-8
189:Education and early career
975:10.1016/j.aop.2010.12.004
886:10.1016/j.amc.2023.128186
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1311:Journal of Heat Transfer
1109:10.1088/1361-6501/ab08cf
570:community.geosociety.org
397:Journal of Heat Transfer
199:Colorado School of Mines
72:Colorado School of Mines
700:Journal of Biomechanics
1358:Native Hawaiian people
1158:Cite journal requires
921:10.1098/rspa.2006.1769
262:computational modeling
140:Mechanical Engineering
1142:10.5194/esurf-2022-61
488:Reviews of Geophysics
171:statistical mechanics
509:10.1002/2017RG000557
210:Ames Research Center
195:Chemical Engineering
175:stochastic processes
1229:1994IJHMT..37.1579K
1192:2023EGUGA..25.5158E
1101:2019MeScT..30e5904F
1014:2017NatSR...741658K
967:2011AnPhy.326.1002K
913:2007RSPSA.463..435K
850:. 3 September 2021.
747:2003RScI...74.2886L
677:1998IJHMT..41..275K
642:1998IJHMT..41..871J
500:2017RvGeo..55..470E
459:2003IJNME..56.1315L
430:1993IJHMT..36.3283K
345:1989BpJ....56..465O
333:Biophysical Journal
295:Other contributions
144:Engineering Science
63:Academic background
1002:Scientific Reports
804:Scientific Reports
549:mees.charlotte.edu
177:, applications of
156:Quaternary geology
1323:10.1115/1.2911885
1287:978-953-307-636-2
1223:(11): 1579–1591.
1022:10.1038/srep41658
945:Annals of Physics
907:(2078): 435–460.
755:10.1063/1.1564279
424:(13): 3283–3298.
409:10.1115/1.2911885
321:Selected articles
304:Awards and honors
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104:Institutions
94: (1992)
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1059:CIRP Annals
810:(1): 2528.
779:: 322–328.
390:(6): 41–50.
250:velocimetry
126:mechanical
42:Mechanical
29:Nationality
1337:Categories
877:2206.02521
870:: 128186.
601:(Thesis).
526:References
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