Department of Aerospace Engineering | Indian Institute Of Technology Madras , Chennai
team

Sunetra Sarkar

Professor

Ph.D., Aerospace Engineering, Indian Institute of Science, Bangalore, India 2005 (Savita Chaudhury Memorial Best Thesis Award). Area: Unsteady Aerodynamics, Title: Incompressible viscous flow past an oscillating airfoil

M.Sc (Engg.), Aerospace Engineering, Indian Institute of Science, Bangalore, India 2000. Area: Nonlinear Dynamics, Title: Dynamics of flexible structures with nonlinear joints

B.E., Jadavpur University, Kolkata, India 1997 (Prof. S. Niyogi Memorial Award)

+91- 44- [22]-57 [40]-24

sunetra[at]iitm[.]ac[.]in

Personal Website

  • Unsteady Aerodynamics, Biomimetic Flows, Particle Techniques

  • Professor at the Department of Aerospace Engineering, Indian Institute of Technology Madras, July 2018-present
  • Associate Professor at the Department of Aerospace Engineering, Indian Institute of Technology Madras, July 2012-July 2018
  • Assistant Professor at the Department of Aerospace Engineering, Indian Institute of Technology Madras, June 2007-July 2012
  • Visiting Scientist at Department of Mathematical Sciences, Chalmers University of Technology, Gothenburg, Sweden, May-July 2010
  • Rubicon Fellow, Department of Aerospace Engineering, Technical University of Delft, Netherlands, April 2006 - May 2007
  • Post Doctoral Researcher, Department of Aerospace Engineering, Technical University of Delft, Netherlands, February 2005 – March 2006

  1. Energy harvesting in a flow-induced vibrating flapper with biomimetic gaits, International Journal of Mechanical Sciences

    Author: R Chatterjee, CL Shah, S Gupta, S Sarkar

    Page: 109150

    DOI/Link: https://www.sciencedirect.com/science/article/abs/pii/S0020740324001929

    Year: 2024

  2. Physics-informed neural networks modelling for systems with moving immersed boundaries: Application to an unsteady flow past a plunging foil, Journal of Fluids and Structures

    Author: R Sundar, D Majumdar, D Lucor, S Sarkar

    Volume: 125

    Page: 104066

    DOI/Link: https://www.sciencedirect.com/science/article/abs/pii/S088997462400001X

    Year: 2024

  3. Cross-flow vortex-induced vibrations of a circular cylinder under stochastic inflow at low Reynolds number, Ocean Engineering

    Author: K Sourav, D Majumdar, S Sarkar

    Volume: 293

    Page: 116724

    DOI/Link: https://www.sciencedirect.com/science/article/abs/pii/S0029801824000611

    Year: 2024

  4. Understanding the training of PINNs for unsteady flow past a plunging foil through the lens of input subdomain level loss function gradients, arXiv preprint

    Author: R Sundar, D Lucor, S Sarkar

    Year: 2024

  5. Massive parallelization and performance enhancement of an immersed boundary method based unsteady flow solver

    Author: R Sundar, D Majumdar, CL Shah, S Sarkar

    Year: 2024

  6. Passive dynamics regulates aperiodic transitions in flapping wing systems, PNAS Nexus pgad086

    Author: D. Majumdar, S. Ravi and S. Sarkar

    DOI/Link: https://academic.oup.com/pnasnexus/article/2/4/pgad086/7083189?login=false

    Year: 2023

  7. A complex networks based approach to nonlinear aeroelasticity, Journal of Fluids and Structures 121

    Author: H S Varun, M S Aswathy, S Sarkar,

    Page: 103912

    DOI/Link: https://www.sciencedirect.com/science/article/abs/pii/S0889974623000804

    Year: 2023

  8. Chordwise flexible aft-tail suppresses jet-switching by reinstating periodicity in a flapping foil, Journal of Fluid Mechanics 946 A12

    Author: C. L. Shah, D. Majumdar, C. Bose and S. Sarkar

    Page: 103912

    Year: 2022

  9. Spatiotemporal dynamics of a vortex induced vibration system in the presence of stochastic inflow fluctuations, Journal of Fluids and Structures 113

    Author: M S Aswathy, S Sarkar

    Page: 103678

    Year: 2022

  10. Transition boundaries and an order-to-chaos map for the flow field past a flapping foil , Journal of Fluid Mechanics 942 A40

    Author: D. Majumdar, C. Bose and S. Sarkar

    Year: 2022

  1. Passive pitching and aperiodicity in the wake of flapping flights, Second Direct In-person Colloquium on Vortex Dominated Flows (DisCoVor), Breckenridge, Collorado, USA

    Author: D. Majumdar, S. Ravi, S. Sarkar

    Year: May, 2023

  2. A novel pair of non-dimensional measures to predict the order-to-chaos wake transition in the flow-field of a flapping foil, IUTAM Symposium on Nonlinear Dynamics for Design of Mechanical Systems across Different Length/Time scales, Tsukuba, Japan

    Author: D. Majumdar, C. Bose, S. Sarkar

    Year: August, 2023

  3. Dynamical trasition in the flowpast a flapping airfoil: Recurrence network approach, Poster presented in Perspectives in Nonlinear Dynamics, IIT Madras, India

    Author: S. Dey and S. Sarkar

    Year: August, 2023

  4. Surrogate Modeling of Unsteady Aerodynamic Loads Acting on a Plunging Flat Plate”. The 8th European Congress on Computational Methods in Applied Science and Engineering (ECCOMAS) Congress

    Author: R. Sundar, V. Kumar, D. Majumdar, C. L. Shah and S. Sarkar.

    Year: 5-9 June 2022

  5. Effect of time-scale in the flow fluctuations on a sub-critical aeroelastic system, Third International Nonlinear Dynamics Conference, Sapienza University, Rome, June

    Author: Varun H. S. and S. Sarkar

    Year: 2023

  6. Data-driven physics-informed and immersed boundary aware surrogate modeling of unsteady flows past moving bodies, CFC2023 Cannes, France

    Author: R Sundar, D Majumdar, D Lucor, S Sarkar

    Year: 2023

  7. Chaotic Onset in the Flow Past a Flapping Foil Depends on the Free-Stream Reynolds Number, Conference on Fluid Mechanics and Fluid Power, IIT Roorkee, India

    Author: S Dey, D Majumdar, S Sarkar

    Page: 339-348

    Year: 2022

  8. Modal Analysis of a Flow Past a Cylinder, Conference on Fluid Mechanics and Fluid Power, IIT Roorkee, India

    Author: A Thirunavukkarasu, R Sundar, S Sarkar

    Page: 705-717

    Year: 2022

  9. Role of Piezoelectric Coupling Factor on FIV-Based Energy Harvesting of a Piezoelectric Flag, Conference on Fluid Mechanics and Fluid Power, IIT Roorkee, India

    Author: R Chatterjee, CL Shah, S Gupta, S Sarkar

    Page: 759-767

    Year: 2022

  10. SVD-FCNN-based surrogate modeling of unsteady viscous flow past a stationary circular cylinder". International Conference on Recent Advances in Fluid Mechanics and Nanoelectronics (ICRAFMN)

    Author: V. Kumar, R. Sundar, Arvind T. and S. Sarkar.

    Year: 12-14 July 2023

  1. Wake dynamics of a flexible flapping filament at low reynolds number, Aerospace and Associated Technology

    Author: C L Shah, D Majumdar, S Sarkar, C Bose

    Page: 448-452

    Year: 2022

  2. Transitional Flow Dynamics Past a Passively Flapping Airfoil in Gusty Flow, In: Advances in Critical Flow Dynamics Involving Moving/Deformable Structures with Design Applications

    Author: C. Bose, S. Gupta and S. Sarkar

    Page: 135-148

    Year: 2021

  3. Vibration Energy Harvesting in Fluctuating Fluid Flows. In: Mukhopadhyay, A., Sen, S., Basu, D., Mondal, S. (eds) Dynamics and Control of Energy Systems. Energy, Environment, and Sustainability Part III. Springer,

    Author: S K Kumar, S Sarkar, S Gupta

    Year: 2020

  4. Estimation of Modal Characteristics of a Reduced-Order Fluid– Structure Interaction System. In: Rao, A., Ramanjaneyulu, K. (eds) Recent Advances in Structural Engineering, Volume 1. Lecture Notes in Civil Engineering

    Author: H P Lal, D Remigius, S Gupta, S Sarkar

    Volume: 11

    Year: 2019

  5. Effect of Noise on Vortex-Induced Vibrations of Circular Cylinders. In: Rao, A., Ramanjaneyulu, K. (eds) Recent Advances in Structural Engineering, Volume 2. Lecture Notes in Civil Engineering

    Author: M S Aswathy, S Sarkar

    Volume: 12

    Year: 2019

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