Prof. Jagadeeshan Ravi Prakash

Profile

Academic positionFull Professor
Research fieldsMechanics,Statistical Physics, Soft Matter, Biological Physics, Nonlinear Dynamics
KeywordsBrownian dynamics simulations, Dilute Polymer Solutions, Molecular rheology, Polymer KineticTheory, Rheology of Complex fluids
Honours and awards

2020: Medallion of the Australian Society of Rheology

2019: Fellow of the Society of Rheology, USA

Current contact address

CountryAustralia
CityClayton
InstitutionMonash University
InstituteDepartment of Chemical Engineering

Host during sponsorship

Prof. Dr. Helmut NeunzertFachbereich Mathematik, Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau (RPTU), Kaiserslautern
Start of initial sponsorship01/05/1999

Programme(s)

1998Humboldt Research Fellowship Programme

Publications (partial selection)

2024Robe, Dominic and Santra, Aritra and McKinley, Gareth H and Prakash, J Ravi: Evanescent Gels: Competition between Sticker Dynamics and Single-Chain Relaxation. In: Macromolecules, 57, 2024, 4220--4235
2024Pincus, Isaac and Rodger, Alison and Prakash, J Ravi: Flow dichroism of DNA can be quantitatively predicted via coarse-grained molecular simulations. In: Biophysical Journal, 123, 2024, 3771--3779
2024Mariya, Silpa and Barr, Jeremy J and Sunthar, P and Prakash, J Ravi: Universal scaling of the diffusivity of dendrimers in a semidilute solution of linear polymers. In: Soft Matter, 20, 2024, 993--1008
2023Pincus, I. and Rodger, A. and J. Ravi Prakash: Dilute polymer solutions under shear flow: Comprehensive qualitative analysis using a bead-spring chain model with a FENE-Fraenkel spring. In: Journal of Rheology, 67, 2023, 373–402
2023Kailasham, R and Chakrabarti, Rajarshi and Ravi Prakash, J: Shear viscosity for finitely extensible chains with fluctuating internal friction and hydrodynamic interactions. In: Journal of Rheology, 67, 2023, 105--123
2022Kumari, Kiran and J. Ravi Prakash and Padinhateeri, Ranjith: Heterogeneous interactions and polymer entropy decide organization and dynamics of chromatin domains. In: Biophysical Journal, 121, 2022, 2794–2812
2022A. Santra and J. Ravi Prakash: Universality of dilute solutions of ring polymers in the thermal crossover region between theta and athermal solvents. In: Journal of Rheology, 66, 2022, 775–792
2021R. Kailasham and Rajarshi Chakrabarti and J. Ravi Prakash: How important are fluctuations in the treatment of internal friction in polymers?. In: Soft Matter, 2021,
2021Kailasham, R. and Chakrabarti, R. and J. Ravi Prakash: Rouse model with fluctuating internal friction. In: Journal of Rheology, 65, 2021, 903–923
2021Aritra Santra and B. Dünweg and J. Ravi Prakash: Universal scaling and characterization of gelation in associative polymer solutions. In: Journal of Rheology, 65, 2021, 549--581
2020K. Kumari and B. Dünweg and R. Padinhateeri and J. Ravi Prakash: Computing 3D chromatin configurations from contact probability maps by Inverse Brownian Dynamics. In: Biophysical Journal, 118, 2020, 2193--2208
2020I. Pincus and A. Rodger and J. Ravi Prakash: Viscometric functions and rheo-optical properties of dilute polymer solutions: Comparison of {FENE}-Fraenkel dumbbells with rodlike models. In: Journal of Non-Newtonian Fluid Mechanics, 285, 2020, 104395
2020R. Kailasham and Rajarshi Chakrabarti and J. Ravi Prakash: Wet and dry internal friction can be measured with the Jarzynski equality. In: Physical Review Research, 2, 2020,
2019Pan, Sharadwata and Nguyen, Duc At and Sunthar, P. and Sridhar, T. and J. Ravi Prakash: Uniaxial extensional viscosity of semidilute DNA solutions. In: Korea-Australia Rheology Journal, 31, 2019, 255–266
2019J. Ravi Prakash: Universal dynamics of dilute and semidilute solutions of flexible linear polymers. In: Current Opinion in Colloid and Interface Science, 43, 2019, 63–79
2019Santra, Aritra and Kumari, Kiran and Padinhateeri, Ranjith and Dünweg, B. and J. Ravi Prakash: Universality of the collapse transition of sticky polymers. In: Soft Matter, 15, 2019, 7876–7887
2018Kailasham, R. and Chakrabarti, Rajarshi and J. Ravi Prakash: Rheological consequences of wet and dry friction in a dumbbell model with hydrodynamic interactions and internal viscosity. In: The Journal of Chemical Physics, 149, 2018,
2018Pan, Sharadwata and Nguyen, Duc At and Dünweg, B. and Sunthar, P. and Sridhar, T. and J. Ravi Prakash: Shear thinning in dilute and semidilute solutions of polystyrene and DNA. In: Journal of Rheology, 62, 2018, 845–867
2017Kai-Wen Hsiao and Chandi Sasmal and J. Ravi Prakash and Charles Schroeder: Direct observation of DNA dynamics in semi-dilute solutions in extensional flow. In: Journal of Rheology, 61, 2017, 151--167
2017R. Prabhakar and C. Sasmal and D. A. Nguyen and T. Sridhar and J. Ravi Prakash: Effect of stretching-induced changes in hydrodynamic screening on coil-stretch hysteresis of unentangled polymer solutions. In: Physical Review Fluids, 2, 2017,
2017Chandi Sasmal and Kai-Wen Hsiao and Schroeder, {Charles M.} and J. Ravi Prakash: Parameter-free prediction of DNA dynamics in planar extensional flow of semi-dilute solutions. In: Journal of Rheology, 61, 2017, 169--186
2016Hodges, E. and Cooke, B.M. and Sevick, E.M. and Searles, D.J. and Dünweg, B. and J. Ravi Prakash: Equilibrium binding energies from fluctuation theorems and force spectroscopy simulations. In: Soft Matter, 12, 2016, 9803-9820
2015Jain, A. and Sasmal, C. and Hartkamp, R. and Todd, B.D. and J. Ravi Prakash: Brownian dynamics simulations of planar mixed flows of polymer solutions at finite concentrations. In: Chemical Engineering Science, 121, 2015, 245-257
2015Ramesh, K. V. and Thaokar, R. and J. Ravi Prakash and Prabhakar, R.: Significance of thermal fluctuations and hydrodynamic interactions in receptor-ligand-mediated adhesive dynamics of a spherical particle in wall-bound shear flow. In: Physical Review E, 91, 2015,
2015Soysa, W.C. and Dünweg, B. and J. Ravi Prakash: Size, shape, and diffusivity of a single Debye-Hückel polyelectrolyte chain in solution. In: Journal of Chemical Physics, 143, 2015,
2015Chakraborty, Debadi and J. Ravi Prakash: Viscoelastic fluid flow in a 2D channel bounded above by a deformable finite-thickness elastic wall. In: Journal of Non-Newtonian Fluid Mechanics, 218, 2015, 83–98
2014Pan, S. and Nguyen, D. A. and Sridhar, T. and Sunthar, P. and J. Ravi Prakash: Universal solvent quality crossover of the zero shear rate viscosity of semidilute DNA solutions. In: Journal of Rheology, 58, 2014, 339-368
2014Pan, S. and Ahirwal, D. and Nguyen, D.A. and Sridhar, T. and Sunthar, P. and J. Ravi Prakash: Viscosity radius of polymers in dilute solutions: Universal behavior from DNA rheology and {B}rownian dynamics simulations. In: Macromolecules, 47, 2014, 7548-7560
2012Jain, A. and Dünweg, B. and J. Ravi Prakash: Dynamic crossover scaling in polymer solutions. In: Physical Review Letters, 109, 2012,
2012Chakraborty, D. and J. Ravi Prakash and Friend, J. and Yeo, L.: Fluid-structure interaction in deformable microchannels. In: Physics of Fluids, 24, 2012,
2012Jain, A. and Sunthar, P. and Dünweg, B. and J. Ravi Prakash: Optimization of a Brownian-dynamics algorithm for semidilute polymer solutions. In: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 85, 2012,
2011Chakraborty, D. and J. Ravi Prakash: Influence of shear thinning on viscoelastic fluid-structure interaction in a two-dimensional collapsible channel. In: Industrial and Engineering Chemistry Research, 50, 2011, 13161-13168
2011Bosko, J.T. and J. Ravi Prakash: Universal behavior of dendrimer solutions. In: Macromolecules, 44, 2011, 660-670
2010Pham, T.T. and Dünweg, B. and J. Ravi Prakash: Collapse dynamics of copolymers in a poor solvent: Influence of hydrodynamic interactions and chain sequence. In: Macromolecules, 43, 2010, 10084-10095
2010Somani, S. and Shaqfeh, E.S.G. and J. Ravi Prakash: Effect of solvent quality on the coil-stretch transition. In: Macromolecules, 43, 2010, 10679-10691
2010Chakraborty, D. and Bajaj, M. and Yeo, L. and Friend, J. and Pasquali, M. and J. Ravi Prakash: Viscoelastic flow in a two-dimensional collapsible channel. In: Journal of Non-Newtonian Fluid Mechanics, 165, 2010, 1204-1218
2009Pham, T. T. and Schiller, U. D. and J. Ravi Prakash and Dünweg, B.: Implicit and explicit solvent models for the simulation of a single polymer chain in solution: Lattice {B}oltzmann versus {B}rownian dynamics. In: Journal of Chemical Physics, 131, 2009,
2009J. Ravi Prakash: Micro and macro in the dynamics of dilute polymer solutions:Convergence of theory with experiment. In: Korea Australia Rheology Journal, 21, 2009, 245 -- 268
2008Bajaj, M. and J. Ravi Prakash and Pasquali, M.: A computational study of the effect of viscoelasticity on slot coating flow of dilute polymer solutions. In: Journal of Non-Newtonian Fluid Mechanics, 149, 2008, 104-123
2008Pham, T.T. and Sunthar, P. and J. Ravi Prakash: An alternative to the bead-rod model: Bead-spring chains with successive fine graining. In: Journal of Non-Newtonian Fluid Mechanics, 149, 2008, 9-19
2008Pham, T.T. and Bajaj, M. and J. Ravi Prakash: Brownian dynamics simulation of polymer collapse in a poor solvent: Influence of implicit hydrodynamic interactions. In: Soft Matter, 4, 2008, 1196-1207
2008Bajaj, M. and Pasquali, M. and J. Ravi Prakash: Coil-stretch transition and the breakdown of computations for viscoelastic fluid flow around a confined cylinder. In: Journal of Rheology, 52, 2008, 197-223
2008Jaroslaw Bosko and J. Ravi Prakash: Effect of molecular topology on the transport properties of dendrimers in dilute solution at theta temperature: A Brownian dynamics study. In: Journal of Chemical Physics, 128, 2008, 1 -- 10
2008Eric S.G. Shaqfeh and J. Ravi Prakash: International Workshop on Mesoscale and Multiscale Description of Complex Fluids ({IWMMCOF}'06), Prato, Italy, July 5{\textendash}8, 2006. In: Journal of Non-Newtonian Fluid Mechanics, 149, 2008, 1--2
2008Pattanayek, S.K. and J. Ravi Prakash: Is the electrostatic blob model relevant to dilute polyelectrolyte solutions undergoing shear flow?. In: Macromolecules, 41, 2008, 2260-2270
2008Duggal, R. and Sunthar, P. and J. Ravi Prakash and Pasquali, M.: Multiscale simulation of dilute DNA in a roll-knife coating flow. In: Journal of Rheology, 52, 2008, 1405-1425
2007Sridhar, T. and Nguyen, D.A. and Prabhakar, R. and J. Ravi Prakash: Rheological observation of glassy dynamics of dilute polymer solutions near the coil-stretch transition in elongational flows. In: Physical Review Letters, 98, 2007,
2006P. Sunthar and J. Ravi Prakash: Dynamic scaling in dilute polymer solutions: The importance of dynamic correlations. In: Europhysics Letters, 75, 2006, 77-83
2006R. Prabhakar and J. Ravi Prakash and Sridhar, T.: Effect of configuration-dependent intramolecular hydrodynamic interaction on elastocapillary thinning and breakup of filaments of dilute polymer solutions. In: Journal of Rheology, 50, 2006, 925-947
2006Prabhakar, R. and J. Ravi Prakash: Gaussian approximation for finitely extensible beadspring chains with hydrodynamic interaction. In: Journal of Rheology, 50, 2006, 561-593
2006Bajaj, M. and Bhat, P.P. and J. Ravi Prakash and Pasquali, M.: Multiscale simulation of viscoelastic free surface flows. In: Journal of Non-Newtonian Fluid Mechanics, 140, 2006, 87-107
2005Sunthar, P. and Nguyen, D.A. and Dubbelboer, R. and Prakash, J.Ravi and Sridhar, T.: Measurement and prediction of the elongational stress growth in a dilute solution of DNA molecules. In: Macromolecules, 38, 2005, 10200-10209
2005Sunthar, P. and J. Ravi Prakash: Parameter-free prediction of DNA conformations in elongational flow by successive fine graining. In: Macromolecules, 38, 2005, 617-640
2005P. Sunthar and J. Ravi Prakash: Prediction of chain length effects in elongational flows of dilute polymer solutions by successive fine graining. In: ANZIAM Journal, 46, 2005, 320--335
2004Prabhakar, R. and J. Ravi Prakash and Sridhar, T.: A successive fine-graining scheme for predicting the rheological properties of dilute polymer solutions. In: Journal of Rheology, 48, 2004, 1251-1278
2004Prabhakar, R. and Sunthar, P. and J. Ravi Prakash: Exploring the universal dynamics of dilute polymer solutions in extensional flows. In: Physica A: Statistical Mechanics and its Applications, 339, 2004, 34-39
2004R. Prabhakar and J. Ravi Prakash: Fast and accurate closure approximations for bead-spring models of dilute polymer solutions. In: ANZIAM Journal, 46, 2004, C379 -- C393
2004R. Prabhakar and J. Ravi Prakash: Multiplicative separation of the influences of excluded volume, hydrodynamic interactions and finite extensibility on the rheological properties of dilute polymer solutions. In: Journal of Non-Newtonian Fluid Mechanics, 116, 2004, 163-182
2004P. Sunthar and J. Ravi Prakash: Prediction of chain length effects in elongational flows of dilute polymer solutions by successive fine graining. In: ANZIAM Journal, 46, 2004, C320 -- C335
2004Kumar, K.S. and J. Ravi Prakash: Universal consequences of the presence of excluded volume interactions in dilute polymer solutions undergoing shear flow. In: Journal of Chemical Physics, 121, 2004, 3886-3897
2003Kumar, K.S. and J. Ravi Prakash: Equilibrium swelling and universal ratios in dilute polymer solutions: Exact Brownian dynamics simulations for a delta function excluded volume potential. In: Macromolecules, 36, 2003, 7842-7856
2002J. Ravi Prakash: Rouse chains with excluded volume interactions in steady simple shear flow. In: Journal of Rheology, 46, 2002, 1353-1380
2002Prabhakar, R. and J. Ravi Prakash: Viscometric functions for Hookean dumbbells with excluded volume and hydrodynamic interactions. In: Journal of Rheology, 46, 2002, 1191-1220
2001J. Ravi Prakash: Rouse chains with excluded volume interactions: Linear viscoelasticity. In: Macromolecules, 34, 2001, 3396-3411
2001J. Ravi Prakash: The influence of the range of excluded volume interactions on the linear viscoelastic properties of dilute polymer solutions. In: Chemical Engineering Science, 56, 2001, 5555-5564
2000Chakraborty, S. and Nott, P.R. and J. Ravi Prakash: Analysis of radial segregation of granular mixtures in a rotating drum. In: European Physical Journal E, 1, 2000, 265-273
1999J. Ravi Prakash: The kinetic theory of dilute solutions of flexible polymers: Hydrodynamic interaction. In: Rheology Series, 8, 1999, 467--517
1999J. Ravi Prakash and Öttinger, H.C.: Viscometric functions for a dilute solution of polymers in a good solvent. In: Macromolecules, 32, 1999, 2028-2043
1997J. Ravi Prakash and Öttinger, H.C.: Universal viscometric functions for dilute polymer solutions. In: Journal of Non-Newtonian Fluid Mechanics, 71, 1997, 245-272
1995Bouchaud, J. P. and Cates, M. E. and J. Ravi Prakash and Edwards, S. F.: Hysteresis and metastability in a continuum sandpile model. In: Physical Review Letters, 74, 1995, 1982-1985
1994Bouchaud, J. P. and Cates, M. E. and J. Ravi Prakash and Edwards, S. F.: A model for the dynamics of sandpile surfaces. In: Journal de Physique I, 4, 1994, 1383--1410
1994J. Ravi Prakash and Bouchaud, J. P. and Edwards, S.F.: Long time, large scale properties of the noisy driven-diffusion equation. In: Proceedings of The Royal Society of London, Series A: Mathematical and Physical Sciences, 446, 1994, 67-85
1992J. Ravi Prakash and Mashelkar, R.A.: The diffusion tensor for Hookean dumbbells in steady shear flow: Analytical approximation. In: Journal of Rheology, 36, 1992, 789-805
1991Prakash, J. Ravi and Rao, K. Kesava: Steady compressible flow of cohesionless granular materials through a wedge-shaped bunker. In: Journal of Fluid Mechanics, 225, 1991, 21-80
1991J. Ravi Prakash and Mashelkar, R.A.: The diffusion tensor for a flowing dilute solution of Hookean dumbbells: Anisotropy and flow rate dependence. In: The Journal of Chemical Physics, 95, 1991, 3743-3748
1991J.Ravi Prakash and Mashelkar, R.A.: The free energy of a deforming Lodge rubber-like liquid. In: Journal of Non-Newtonian Fluid Mechanics, 40, 1991, 337-351
1988J. Ravi Prakash and K. Kesava Rao: Steady compressible flow of granular materials through a wedge-shaped hopper: the smooth wall, radical gravity problem. In: Chemical Engineering Science, 43, 1988,
1987Max S. Willis and Steve Bybyk and Ray Collins and J. Ravi Prakash: Theory of Filtration. Advances in Transport Phenomena in Porous Media. Springer Netherlands, 1987. 343--402
1986Willis, {Max S.} and J. Ravi Prakash and Ismail Tosun: A Continuum Theory for Filtration. ASTM Special Technical Publication. ASTM, 1986. 163--175