Prof. Jagadeeshan Ravi Prakash

Profil

Derzeitige StellungProfessor W-3 und Äquivalente
FachgebietMechanik,Statistische Physik, Nichtlineare Dynamik, Komplexe Systeme, Weiche und fluide Materie, Biologische Physik
KeywordsBrownian dynamics simulations, Dilute Polymer Solutions, Molecular rheology, Polymer KineticTheory, Rheology of Complex fluids
Auszeichnungen

2020: Medallion of the Australian Society of Rheology

2019: Fellow of the Society of Rheology, USA

Aktuelle Kontaktadresse

LandAustralien
OrtClayton
Universität/InstitutionMonash University
Institut/AbteilungDepartment of Chemical Engineering

Gastgeber*innen während der Förderung

Prof. Dr. Helmut NeunzertFachbereich Mathematik, Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau (RPTU), Kaiserslautern
Beginn der ersten Förderung01.05.1999

Programm(e)

1998Humboldt-Forschungsstipendien-Programm

Publikationen (Auswahl)

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