Invited talks

Invited talks in international conferences

  • Keynote lecture, George Batchelor Centenary Conference, IUTAM-EUROMECH, Cambridge University, March 2020.

  • Keynote Lecture, Droplets 2019, Durham UK, September 2019.

  • Plenary Lecture, ICCES Silver Jubilee International Conference on Computational and Experimental Engineering and Sciences, Tokyo, March 2019.

  • IUTAM Symposium on Complex Fluids and Interfaces, IIT Kanpur, December 2018.

  • Symposium on Patterns and Dynamics in Multiphase and Interface Flows, Gainesville, Nov 2018.

  • International Workshop on Cloud Dynamics, Micro Physics and Small-Scale Simulation, IITM Pune Aug 2018.

  • Pattern Formation in Fluids and Soft Matter, University of Leeds UK, Aug 2018.

  • Semi-Plenary Lecture, ECFD7: European Conference on Computational Fluid Dynamics, Glasgow UK, June 2018.

  • Turbulence, from Angstroms to Light Years, ICTS Bengaluru, Jan 2018.

  • Dynamics of Gravity Currents, IUTAM/AMERIMECH SYMPOSIUM, Santa Barbara Sep 2017.

  • KITP (Kavli Institute of Theoretical Physics) Workshop on Clockwork Behind Turbulence, February 2017.

  • ASIRI-OMM (Indo-US, stands for Air-Sea-Interactions in the Northern Indian Ocean, Regional Initiative) Discussion Meeting, Corvallis, Oregon, May 2016, Preliminary Stability Studies, ASIRI-OMM Discussion meeting, June 2016, Bengaluru, Turbulence (Pedagogical lecture) ASISI-OMM Discussion meeting, Chennai Jan 2017.

  • Keynote lecture, IUTAM Symposium on Helicity, Structures and Singularity in Fluid and Plasma Dynamics, Venice, April 2016.

  • GEOFLO16: Two phase continuum models for geophysical particle-fluid flows, MPI-PKS Dresden, March 2016. (Two lectures)

  • Complex Systems Approach to Self-Organization (CSAS 2016), IIT Madras, Chennai, February 2016.

  • (Royal Society) Commonwealth Science Conference, Bengaluru, November 2014.

  • Banff International Research Station (BIRS) workshop on Mathematical Modelling of Particles in Fluid Flow, Banff, Canada, August 2014.

  • Kavli Institute of Theoretical Physics (KITP) Programme on Fluid-Mediated Transport in Geophysical Flows, Santa Barbara, November 2013.

  • Workshop on “Transport of particles in turbulent flows” ICTS, Bengaluru, October 2013.

  • “Instabilities driven by viscosity stratification” Indo-French Workshop on Deep-Earth, Bengaluru, September 2013.

  • Fluids Days. Bengaluru, July 2013.

  • “Nonlinear stability and dynamics” FLOW-NORDITA Summer School on Advanced Instability Methods for Complex Flows, Stockholm May 2013.

  • “Film flow down an inclined plate and the shallow water equations’’ Fifth Indo-Israel meeting, October 2011, Kochi.

  • Plenary speaker at the AIM-ED International Graduate School on Stability, Transition to Turbulence and flow Control, Cambridge University, Aug 2011. Topics covered: Nonlinear dynamics, instabilities in viscosity-stratified flows.

  • “Hydraulic jumps” Humboldt Kolleg on Self-Organised Criticality, Dynamics of Complex Systems, Bengaluru, Feb 2011.

  • “The shallow-water equations and the hydraulic jump” International Meeting on Recent Advances in Mechanics, IIT Chennai, Jan 2011.

  • “Are the shallow water equations correct near Froude number=1?” Indo-European Workshop on Advanced Instability Methods, JNCASR, Jan 2011.

  • Perspectives in Non-Linear Dynamics, PNLD III, 2010 and PNLD I, 2004, Satellite meetings of STATPHYS Cairns and STATPHYS Bengaluru, on Hydraulic jumps and turbulent spots, respectively.

  • “Two gravity-driven flows” Indo-French Meeting on Soft Interfaces, ESPCI Paris, July 2010.

  • “The transition to turbulence in shear flows.” International Conference on Turbulence, IIT Kanpur, December 2009.

  • “A summary of stability studies in this group”, India-UK Workshop on Non-normality, IIT Chennai and JNCASR Bengaluru, January 2009.

  • “Instabilities in variable-property flows and the continuous spectrum.” Workshop on Wall Bounded Shear Flows: Transition and Turbulence. Isaac Newton Institute for Mathematical Sciences, Cambridge, September 2008.

  • “ Death of a vortex at the hands of a (spiralling) density interface”. Fourth Indo-Israeli Conference on Condensed Matter Physics, Tel Aviv, November 2008.

  • The hydraulic jump in gravity, and surface-tension-driven flows. Fourth Indo-Israeli Conference on Condensed Matter Physics, Tel Aviv, November 2008.

  • “The breakdown to turbulence in stratified environments. International Conference on Nonlinear Dynamics and Turbulence, Bengaluru, July 2008.

  • Flow instabilities: an introduction. Three lectures. IMI International conference and workshop on turbulence and nonlinear dynamics, Bengaluru, January 2008.

  • Research in our group: a jhalak. Fluids Days, JNCASR Bengaluru, January 2008.

  • Instabilities in shear flow, invited poster, Second Indo-US Frontiers of Science Meeting, Irvine, California, January 2007.

  • Gravity-free hydraulic jumps and metal femtocups. NCBS/JNC/Harvard Symposium, August 2006.

  • Wall heating as a flow control option, (International) Conference on Flow Control and Diagnostics, Coorg, February 2006.

  • Instabilities of fluid flows and the transition to turbulence, India Symposium, TWOWS Third General Assembly and International Conference on Impact of Women's Research on Science and Technology in the New Millennium, Bengaluru, November 2005.

  • Instabilities and transition to turbulence in pipe flows, Third Indo-Israeli Conference on Condensed Matter Physics, Puri, April 2005.

  • Global Flow Instability and Control III-V, Crete, Greece, 2005-2012. (I was invited to one of these meetings and a contributor at another.)

  • “Instabilities in spatially developing flows: a fresh approach,” Ninth Asian Congress of Fluid Mechanics, Isfahan, Iran, 2002.

  • “A critical-layer-driven instability in miscible two-fluid channel flow,” International Workshop on Miscible Interfaces, Paris, Jul 2001.

  • “Minimal composite stability theory for three-dimensional boundary layer stability,” International Workshop on Fluid Mechanics - FLUMEC 2000, IIT Chennai, Jan 2000.

  • Plenary (contributed) lecture at the Sixteenth International Congress of Numerical Methods in Fluid Dymanics, Arcachon, France, 1998.

  • "Low-order theory for stability of non-parallel boundary layer flows,'' (International) Discussion Meeting on Instability and Transition in Fluid Flows, Indian Academy of Sciences, Nov 1996.
     

Invited talks in Indian meetings:

  • Entropy, Information and Order in Soft Matter, ICTS September 2018.

  • Summer School for Women in Mathematics and Statistics, ICTS May 2018.

  • AICTE sponsored workshop on Introduction to Hydrodynamic Stability, IIT Madras, March 2018.

  • Statphys, ICTS Bengaluru, Feb 2018.

  • Buoyancy-driven Flows, ICTS Bengaluru, June 2017.

  • Subir Kar Plenary Lecture, 42nd National Fluid Mechanics and Fluid Power Conference, NITK Surathkal, December 2015.

  • SS Bhatnagar Day Lecture, Punjab University, Chandigarh, Mar 2015.

  • Statphys, Bengaluru, Feb 2015.

  • UOP India Technical Community Symposium, Gurgaon September 2014.

  • IITB Climate Workshop, March 2014.

  • Symposium on Stability Analysis of Differential Equations with Applications to Flow Problems, IIT Kanpur March 2014. Two lectures.

  • Stabilization methods for singularly perturbed differential equations, SERC Workshop, IISc Bengaluru, Oct. 2013.

  • “Introduction to Fluid Mechanics” 3 lectures, DST-SERC (Department of Science and Technology Government of India, Science & Engineering Research Council) Schools on Nonlinear Dynamics, Kolkata December 2012, and twelve lectures in the Third SERC School (with a focus on Turbulence and Pattern formation) in Kolkata, 2006.

  • “Big effects of small perturbations”, Golden Jubilee Conference on Women in Science and Technology (lectures by distinguished alumnae), IIT Delhi, Mar 2011.

  • “Vortices in density gradients: Mergers, split-ups and death” 76th Annual Meeting of the Indian Academy of Sciences, Goa, November 2010.

  • “Introduction to fluid mechanics” 5 lectures, School on Nonequilibrium Statistical Physics, April 2010, RRI Bengaluru.

  • “Introduction to flow stability” DST SERC School, Jan 2010, IIT Chennai.

  • Keynote lecture, National Training Programme on CFD, Visakhapatnam, November 2009.

  • “The role of instability in high Reynolds number fluid mechanics” Second National Conference of Shanti Swarup Bhatnagar Award Winners, Devi Ahilya Vishwavidyalay, Indore, July 2009.

  • “Introduction to flow stability”, IMI Workshop on PDE and related analysis, September 2009.

  • “Transient growth in shear flow and why we should care about it” 75th Anniversary Conference of the Physics Department, Indian Institute of Science, May 2009.

  • “Accelerated annihilation of a vortex due to density stratification”, Centenary Conference of the Aerospace Engineering Department, IISc Bengaluru, May 2009.

  • “The Boussinesq approximation and vortical flows in the ocean”, Second National Conference of the Ocean Society of India, Vishakhapatnam, April 2009.

  • Fluid mechanics: old answers to new questions, new answers to old questions. Inaugural address at the National Workshop of the Ocean Society of India on Emerging trends in Ocean Science and Technology, Kochi, March 2007.

  • Instabilities in shear flow of variable property fluids, Third Complex Fluids Symposium, IIT Kanpur, December 2006.

  • The laminar-turbulent transition region: puzzles and progress, Perspectives in Nonlinear Dynamics, Satellite meeting of the STATPHYS-22 Conference, IIT Chennai, July 2004.

  • Introduction to nonlinear dynamics and turbulence. (a series of five lectures) Workshop on Nonlinear Dynamics and Turbulence SN Bose Centre, Kolkata, Mar 2003.

Invited talks at other National Conferences in Kochi, Chandigarh, Bengaluru, Kolkata, Aligarh, Chennai, Mumbai, Kanpur, Ahmedabad, Coorg.

 

Special lectures

Other Seminars/ Colloquia in the past 7 years

    • IIT Gandhinagar, March 2019
    • Ashoka University, Oct 2018
    • COnf’luence, broad audience seminar, IMFT Toulouse, September 2018
    • Ecole Centrale de Lyon, September 2018
    • Raman Research Institute, Bengaluru, July 2018
    • Fluids Seminar, School of Mathematics, University of Leeds, June 2018
    • DAMTP Seminar, Cambridge University, June 2018
    • Seminar, School of Engineering, University of Edinburgh, June 2018
    • Fluids Seminar, School of Mathematics, University of Leeds, June 2018
    • Seminar, Department of Chemical Engineering, University of Strathclyde, June 2018
    • Physics Department Colloquium, Indian Institute of Science, February 2018
    • MPIDS Colloquium, Max Planck Institute for Dynamics and Self-Organization, Goettingen, August 2017
    • IISc Centre for Data Sciences Seminar, 2017
    • IISc Bengaluru (Mechanical Engineering Seminars, 2016
    • IUCAA Pune (2016) 
    • CIRF Seminar at UC Santa Barbara (2016, 2014)
    • IISER Bhopal (2015)
    • NITK Surathkal (2015)
    • IIT Bombay (2015)
    • IISER Pune (2014)
    • KTH Mechanics (2014)
    • Brown University (2012) 
    • Harvard University (2012) 
    • University of Michigan at Ann Arbor (2012) 
    • Woods Hole Oceanographic Institution (2012) 
    • IIT Ropar (2013)
    • IIT Madras, University of Hyderabad, TIFR (Natural Sciences Colloquium), TIFR-CAM, TIFR-Hyderabad: several times