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

Dr. Nilanjan Saha

Professor

PhD - Structures, Indian Institute of Science, Bangalore, 2008

MSc (Engg) - Geotechnical, Indian Institute of Science, Bangalore, 2004

BE- Civil., Jadavpur University Kolkata (erstwhile Calcutta), 2001

Phone

+91- 44- 22574827

Email

nilanjan[at]iitm[.] ac[.]in; nilanjan[@]smail[.]iitm[.]ac[.]in; nilanjansaha27[@]gmail[.]com

Office No

DOE-113, 1st Floor, Ocean Engineering Department

  • Port, Harbour and Coastal Structures
  • Offshore wind and wave energy
  • Dynamics of offshore structures
  • Extreme value statistics and Nonlinear stochastic methods
  • Offshore soil-structure interaction

  • 2020 -- , Professor - Department of Ocean Engineering, Indian Institute of Technology Madras, Chennai 600036 INDIA.
  • 2015, Associate Professor - Department of Ocean Engineering, Indian Institute of Technology Madras, Chennai 600036 INDIA.
  • 2010, Assistant Professor - Department of Ocean Engineering, Indian Institute of Technology Madras, Chennai 600036 INDIA.
  • 2008, Post Doctoral Fellowship - Centre for Ships and Ocean Structures, NTNU
  • 2007, Research Associate - Indian Institute of Science, Bangalore
  • 2004, Senior Research Fellowship - BRNS, Department of Energy, India

  1. Raaj, S. Keerthi, Nilanjan Saha, and R. Sundaravadivelu. (2025) "Tip embedment depth of dynamically installed torpedo anchor: An experimental approach." Ocean Engineering 326: 120394.
  2. Bachimanchi, P., and Nilanjan Saha. (2024) "Damage analysis of OC4 jacket subjected to cyclic loading by peridynamic approach." Applied Ocean Research 153 (2024): 104222.
  3. Bachimanchi, P., and Nilanjan Saha (2024)." Peridynamic Analysis of Tubular Joints of the Offshore Jacket Structure". Journal of Offshore Mechanics and Arctic Engineering, 146(1), 011701.
  4. Keerthi Raaj, S., Vijay, K. G., Neelamani, S., Nilanjan Saha, and Sundaravadivelu, R. (December 11, 2023). "Gravity Wave Interaction With a Composite Pile–Rock Breakwater." ASME. J. Offshore Mech. Arct. Eng. June 2024; 146(3): 031903.
  5. John, J. M., Nilanjan Saha, & Sundaravadivelu, R. (2023). Vibrational Safety of Breakwater in Port Vicinity due to Monopile Installation for Wind Turbine. Indian Geotechnical Journal, 53(5), 1023-1040.
  6. Keerthi Raaj, S., Nilanjan Saha, & Sundaravadivelu, R. (2023). Exploration of deep-water torpedo anchors-A review. Ocean Engineering, 270, 113607.
  7. Keerthi Raaj, S., Nilanjan Saha, Sundaravadivelu, R. (2022). "Freefall hydrodynamics of torpedo anchors through experimental and numerical analysis". Ocean Engineering, 243, 110213.
  8. Ahmed, M. A., Sridharan, B., Saha, N., Sannasiraj, S. A., & Kuiry, S. N. (2022). Assessment of coastal vulnerability for extreme events. International Journal of Disaster Risk Reduction, 82, 103341.
  9. Varghese, VA, Nilanjan Saha (2020) “Investigation of stochastic nonlinear dynamics of ocean engineering systems through path integration”, Physica D: Nonlinear Phenomena, 402, 132227, (10.1016/j.physd.2019.132227).
  10. Sherlin Prem Nishold, R Sundaravadivelu, Nilanjan Saha, (2019), “Physical model study on geo-tube with gabion boxes for the application of coastal protection”, Arabian Journal of GeoSciences, Vol-12(5), pp. 164.
  11. Ruzzo, C., Nilanjan Saha, Arena, Felice (2019), “Wave spectral analysis for design of a spar floating wind turbine in Mediterranean Sea”, Ocean Engineering, Vol-184, pp. 255-272.
  12. Manikandan R, Nilanjan Saha (2019) Dynamic modelling and non-linear control of TLP supported offshore wind turbine under environmental loads, Marine Structures, Vol-64, pp. 263 --269.
  13. K Abhinav and Nilanjan Saha (2017) Effect of Scour in Sand on Monopile Supported Offshore Wind Turbines Marine Georesources and Geotechnology, Springer, doi: 10.1080/1064119X.2016.1255687
  14. K Abhinav and Nilanjan Saha (2017) Stochastic response of jacket supported offshore wind turbines for varying soil parameters Renewable Energy, Elsevier, Vol 101, pp 550-564, doi:10.1016/j.renene.2016.09.019.
  15. Manikandan R, Nilanjan Saha (2015) A control algorithm for nonlinear offshore structural dynamical systems Proceedings of Royal Soc. A, Vol-471(2184), 20150605. doi: 10.1098/rspa.2015.0605.
  16. K Abhinav and Nilanjan Saha (2015) Coupled Hydrodynamic and Geotechnical Analysis of Jacket Offshore Wind Turbine, Soil Dynamics and Earthquake Engineering, Vol 73, pp 66-79 doi: 10.1016/j.soildyn.2015.03.002.
  17. Nilanjan Saha, Zhen Gao, Torgeir Moan and Arvid Naess (2014)‘Short-term extreme response analysis of a jacket supporting an offshore wind turbine’ Wind Energy Journal, Vol 17(1), pp87-104, doi: 10.1002/we.1561.
  18. Anand Kumar Singh, Nilanjan Saha (2013) ‘Hydrodynamic analysis of semisubmersible type floater for wind turbine’ International Journal of Emerging Technology and Advanced Engineering Volume 3, Special Issue 3, Feb 2013, pages 270-276.
  19. Henrik S. Toft, Arvid Naess, Nilanjan Saha and J.D. Sorensen (2012)`Response load extrapolation for wind turbines during operation based on average conditional exceedance rates’, Wind Energy Journal Vol-14(6), pp-749-766. doi: 10.1002/we.455.
  20. Manikandan, R. and Nilanjan Saha.(2011). “Soft computing based optimum parameter design of PID controller in rotor speed control of wind turbines” Springer-Lecture Notes in Computer Sciences, Vol-7077, pp.191-200. doi: 10.1007/978-3-642-27242-4_23. (Book Chapter)
  21. Nilanjan Saha and Roy, D., (2011) ‘Two-stage extended Kalman filters using derivative-free local linearizations’ J. of Engineering Mechanics, ASCE. Vol-137(8) pp. 537-546 doi: 10.1061/(ASCE)EM.1943-7889.0000255
  22. Shilpa Thakur, K Abhinav and Nilanjan Saha (2018) Stochastic response reduction on offshore wind turbines due to flaps including soil effects, Soil Dynamics and Earthquake Engineering, Vol-114, pp. 174-185
  23. Shilpa Thakur, K Abhinav and Nilanjan Saha (2018) Load Mitigation Using Slotted Flaps in Offshore Wind Turbines, J. Offshore Mech. Arct. Eng 140(6), 061901 (10 pages)
  24. K Abhinav and Nilanjan Saha (2018) Nonlinear dynamical behaviour of jacket supported offshore wind turbines in loose sand, Marine Structures, Vol- 57, pp. 133–151
  25. K Abhinav and Nilanjan Saha (2017) Dynamic Analysis of Monopile Supported Offshore Wind Turbines Proceedings of ICE, Geotechnical Engineering, Vol-170(5), pp. 428--444 doi: 10.1680/jgeen.16.00022
  26. Neeraj Aggarwal, R. Manikandan, Nilanjan Saha, (2017) Nonlinear short term extreme response of spar type floating offshore wind turbines, Ocean Engineering, Elsevier, Vol 130, pp 199-209, doi:: 10.1016/j.oceaneng.2016.11.062.
  27. K Abhinav and Nilanjan Saha (2017) Effect of Scour in Sand on Monopile Supported Offshore Wind Turbines Marine Georesources and Geotechnology, Springer, doi: 10.1080/1064119X.2016.1255687
  28. K Abhinav and Nilanjan Saha (2017) Stochastic response of jacket supported offshore wind turbines for varying soil parameters Renewable Energy, Elsevier, Vol 101, pp 550-564, doi:: 10.1016/j.renene.2016.09.019.
  29. Manikandan R, Nilanjan Saha (2015) A control algorithm for nonlinear offshore structural dynamical systems Proceedings of Royal Soc. A, Vol-471(2184), 20150605. doi: 10.1098/rspa.2015.0605.
  30. K Abhinav and Nilanjan Saha (2015) Coupled Hydrodynamic and Geotechnical Analysis of Jacket Offshore Wind Turbine, Soil Dynamics and Earthquake Engineering, Vol 73, pp 66-79. doi: 10.1016/j.soildyn.2015.03.002.
  31. Nilanjan Saha, Zhen Gao, Torgeir Moan and Arvid Naess (2014)‘Short-term extreme response analysis of a jacket supporting an offshore wind turbine’ Wind Energy Journal, Vol 17(1), pp87-104, doi: 10.1002/we.1561.
  32. Henrik S. Toft, Arvid Naess, Nilanjan Saha and J.D. Sorensen (2012)`Response load extrapolation for wind turbines during operation based on average conditional exceedance rates’, Wind Energy Journal Vol-14(6), pp-749-766. doi: 10.1002/we.455.
  33. Manikandan, R. and Nilanjan Saha.(2011). “Soft computing based optimum parameter design of PID controller in rotor speed control of wind turbines” Springer-Lecture Notes in Computer Sciences, Vol-7077, pp.191-200. doi: 10.1007/978-3-642-27242-4_23. (Book Chapter)
  34. Nilanjan Saha and Roy, D., (2011) ‘Two-stage extended Kalman filters using derivative-free local linearizations’ J. of Engineering Mechanics, ASCE. Vol-137(8) pp. 537-546 doi: 10.1061/(ASCE)EM.1943-7889.0000255
  35. Nilanjan Saha and A. Naess, (2010)‘ Monte–Carlo based method for predicting extreme value statistics of uncertain structures’ J. of Engineering Mechanics, ASCE, Vol-136(12), pp 1491-1501. doi: 10.1061/(ASCE)EM.1943-7889.0000194
  36. Nilanjan Saha and Roy, D., (2009)‘Extended Kalman filters using explicit and derivative-free local linearizations’ Applied Mathematical Modelling, Vol-33(6), pp. 2545-2563. doi:10.1016/j.apm.2008.07.019.
  37. Nilanjan Saha and Roy, D., (2009) ‘A Girsanov particle filter in nonlinear engineering dynamics’, Physics Letters A, Vol-373(6), pp. 627-635. doi:10.1016/j.physleta.2008.12.024, Citation 7, Impact Factor: 1.706
  38. D. Roy, Nilanjan Saha and M.K. Dash, (2008)‘Weak forms of the locally transversal linearization (LTL) technique for stochastically driven nonlinear oscillators’ Applied Mathematical Modelling, Vol-32(9), pp. 1657-1681. doi:10.1016/j.apm.2007.06.004.
  39. Nilanjan Saha and Roy, D., (2007)‘Higher order weak linearizations of stochastically driven nonlinear oscillators’ Proceedings of the Royal Society A, Vol-463 (2041) pp. 1827-1856. doi:10.1098/rspa.2007.1852.
  40. Nilanjan Saha and Roy, D., (2007)‘The Girsanov linearization method for stochastically driven nonlinear oscillators’ J. of Applied Mechanics, ASME, Vol-74(5), pp. 885-897. doi:10.1115/1.2712234.
  41. Nilanjan Saha and Roy, D., (2007)‘ Variance-reduced weak Monte Carlo simulations of stochastically driven oscillators of engineering interest’ J. of Sound and Vibration, Vol-305(1-2), pp. 50-84. doi:10.1016/j.jsv.2007.03.056.