Korak Sarkar, IIT Kharagpur

Korak Sarkar

Ph.D., Indian Institute of Science

Assistant Professor Grade-I

Mechanical Engineering

+91-3222-282966

koraksarkar@mech.iitkgp.ac.in

PhD & Postdoctoral Opportunities: Rotorcraft Dynamics, Structural Vibrations, Inverse Problems, Digital Twins, Computational Mechanics. |

Research Areas

  • Structural Dynamics and Aeroelasticity
  • Vibration analysis and control
  • Dynamics of continuous systems
  • Nonlinear Dynamics
  • Rotor Blade Dynamics

My research focuses on developing analytical, computational, and experimental methods for understanding and controlling the dynamic behaviour of engineering structures. Particular emphasis is placed on rotorcraft mechanics, structural vibrations, aeroelasticity, inverse problems, and reduced-order modelling. Through the use of mathematical modelling, mechanics-based analysis, and data-driven approaches, my group seeks to establish fundamental relationships between structural properties, dynamic response, and system performance.

Current research activities include aero-structural design of rotating beams and rotor blades, inverse vibration synthesis, structural health monitoring, uncertainty quantification, and vibration-based diagnostics. The long-term objective of the group is to develop physics-informed methodologies that integrate modelling, experimentation, and computation for the design, monitoring, and control of complex dynamical systems.

  • Modal tailoring and closed-form solutions for rotating non-uniform Euler-Bernoulli beams by Sarkar K., Ganguli R. International Journal of Mechanical Sciences 88 208-220 (2014)
  • Closed-form solutions for non-uniform Euler-Bernoulli free-free beams by Sarkar K., Ganguli R. Journal of Sound and Vibration 332 6078-6092 (2013)
  • Closed-form solutions for axially functionally graded Timoshenko beams having uniform cross-section and fixed-fixed boundary condition by Sarkar K., Ganguli R. Composites Part B: Engineering 58 361-370 (2014)
  • Random eigenvalue characterization for free vibration analysis of axially-loaded Euler-Bernoulli beams by Sarkar K., Ganguli R. , Ghosh D. , Elishakoff I. AIAA Journal 56 3757-3765 (2018)
  • Benchmark analytical solutions from beams with shared eigenpair by Sarkar K., Ganguli R. International Journal of Mechanical Sciences 106 245-253 (2016)
  • Generation of directed motion of a compliant body under asymmetric base vibration by Aman N. K., Sarkar K. , Dasgupta A. Physica D: Nonlinear Phenomena 496 - (2026)
  • Elasto-compliance of harmonically stimulated soft micro-gaps during electro-magneto-kinetic flows by Bhaskaran A., Agrawal S. , Sarkar K. , Dhar P. Soft Matter 5969-5982 (2024)
  • Closed-form solutions for non-uniform Rayleigh free-free beams by Kirodiwal N., Chowdhury V. S., Sarkar K. , Ganguli R. , Elishakoff I. Meccanica 61 - (2026)

Principal Investigator

  • Active dynamic vibration absorber for air borne vehicle Research Centre Imarat (RCI)
  • Reliability based design optimization of helicopter rotor blades SRIC, IIT KHARAGPUR
  • Vibration and acoustic study of the resonators in a sitar Guru Krupa Foundation (IIT Foundation)

Ph. D. Students

Nitin Kumar Aman

Area of Research: Nonlinear dynamics

Ravi Prakash Prajapati

Area of Research: Structural Dynamics

Sahin Reja

Area of Research: Vibration & Control

Suvasis Mukherjee

Area of Research: Structural Health Monitoring