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  • 8:10 AM, Thursday, 18 Apr 2024

Department of Aerospace Engineering
     
Praveen Krishna, Ph.D.
Associate Professor
 
Office
Tel:+91-471-2568429
Fax:
Email:praveenkrishna@iist.ac.in













Education

Ph.D (IIT Madras)

M.Tech (IIT Madras)

B.Tech (Kerala University)


Experience

Industrial 

Around 10 years with GE and Honeywell

Linkedin Profile

Google Scholar

Scopus Profile

Researcherid

Vidwan-ID: 165484


Research Work / Area

Acoustics, Vibration, Condition Monitoring, Fluid-Structure Interaction, Nonlinear Dynamics and NVH


Funded Project

Ongoing

  • Computational and Experimental Investigations on a Combined Nonlinear Vibration Absorber Energy Harvester System, (Start date: Nov, 2019 )
  • Development of a mathematical model for dynamic stress and transmission error prediction of high-speed gearbox: GTRE, DRDO, Bangalore, (Start date: April 2022)
  • Institute Merit Prize, IIT Madras
  • Indira Siva Sailam Merit Prize, IIT Madras
  • BVA Rao Merit Prize, IIT Madras
  • DFSS Six Sigma Greenbelt, GE
  • Lean Six Sigma Greenbelt, Honeywell
  • Tech Guru Award, Honeywell

 

Refereed International Journals

 

  1. Gaurab Kumar Khanra, I. R. Praveen Krishna, and P. Raveendranath (2023) A generalized functions based approach for stress-driven nanobeam bending problems subjected to point loads, Mechanics of Advanced Materials and Structures, https://doi.org/10.1080/15376494.2023.2290697.

  2. Mohammed Afzal Rafiq , I R Praveen Krishna, and CO Arun (2023), A Boundary Node Method for Solving Interior and Exterior Acoustic Problems, International Journal of Computational Methods, https://doi.org/10.1142/S021987622350041X.

  3. Gaurab Kumar Khanra, I. R. Praveen Krishna, and P. Raveendranath (2023) A re-look into the modeling aspects of Eringen’s strain-driven nonlocal Euler-Bernoulli nanobeam bending problems, Mechanics of Advanced Materials and Structures, https://doi.org/10.1080/15376494.2023.2290695.

  4. Sushanth Suresh Shanbhag, I.R. Praveen Krishna, and Pradeep Kumar P. Effect of friction and obstruction on the dynamics of a curved pipe conveying fluid with fixed ends. Journal of Sound and Vibration, Dec 2023, 118194, https://doi.org/10.1016/j.jsv.2023.118194.

  5. Sreelakshmi Sandeep, Manish Sharma, and Praveen Krishna (2023). "Designing Jet Deflector Configuration for a Semi-Cryogenic Rocket Engine", Physics of Fluids, November 2023, Physics of Fluids 35(11), https://doi.org/10.1063/5.0169385.

  6. Allen Anilkumar, IR Praveen Krishna, N Gireesh Sharma, D Sam Dayala Dev (2023). “Experimental and theoretical investigation of superharmonic resonances in a planar oscillator under angular base excitation”, Nonlinear Dynamics,  01 March 2023. https://doi.org/10.1007/s11071-023-08336-7.

  7. V. Gunasegaran, M. Amarnath, H. Chelladurai, I.R.Praveen Krishna, (2023). "Assessment of local faults in helical geared system using vibro-acoustic signals based on higher order spectrum analysis", Applied Acoustics, 204, 109237, https://doi.org/10.1016/j.apacoust.2023.109237.

  8.     Aalokeparno Dhar, I.R. Praveen Krishna (2022).Identification of energy dependent synchronization in coupled pendulums using semi-analytical method, International Journal of Non-Linear Mechanics, 142, 104004, DOI: 10.1016/j.ijnonlinmec.2022.104004.

  9.     Prabith, K., Krishna, I.R.P. (2022). Response and stability analysis of a two-spool aero-engine rotor system undergoing multi-disk rub-impact, International Journal of Mechanical Sciences, 213, 106861, DOI:10.1016/j.ijmecsci.2021.106861

  10.     Muniyappa Amarnath, I R Praveen Krishna, Ramalingam Krishnamurthy (2021). Experimental Investigations to Study the Effectiveness of Cepstral Features to Detect Surface Fatigue Wear Development in a FZG Spur Geared System Subjected to Accelerated Tests, Archives of Acoustics, 46(3), 479–489, DOI: 10.24425/aoa.2021.138140

  11.     Vijay Dubey, I.R. Praveen Krishna (2021). Theoretical and experimental studies on the vibration of membranes of Mridangam, Applied Acoustics, 181, DOI: 10.1016/j.apacoust.2021.108121.

  12.     V. Gunasegaran, M. Amarnath, H. Chelladurai, I.R. Praveen Krishna (2021). Application of bispectrum analysis to detect faults in helical geared system, Materials Today: Proceedings, DOI: 10.1016/j.matpr.2021.04.177.

  13.     Prabith, K., Krishna, I.R.P. (2021). The stability analysis of a two-spool rotor system undergoing rub-impact. Nonlinear Dynamics 104, 941–969. DOI: 10.1007/s11071-021-06370-x

  14.     Prabith, K., Krishna, I.R.P. (2020). The numerical modeling of rotor-stator rubbing in rotating machinery: a comprehensive review. Nonlinear Dynamics 101, 1317-1363. DOI: 10.1007/s11071-020-05832-y

  15.     Prabith, K., and Krishna, I. R. P. (2020). A Time Variational Method for the Approximate Solution of Nonlinear Systems Undergoing Multiple-frequency Excitations. ASME. J. Comput. Nonlinear Dynam. DOI: 10.1115/1.4045944.

  16.     Unnikrishnan, K. R., Praveen Krishna, I. R., Arun, C. O. (2020): Wrinkling analysis of pre-stressed rectangular membranes using element free Galerkin method, International Journal of Computational Methods, DOI: 10.1142/S0219876220410017.

  17.     Vikas Sharma, C.O. Arun, I.R. Praveen Krishna, (2019): Development and validation of a simple two degree of freedom model for predicting maximum fundamental sloshing mode wave height in a cylindrical tank, Journal of Sound and Vibration,461, DOI: 10.1016/j.jsv.2019.114906.

  18.     M Amarnath and I R Praveen Krishna,(2019). Experimental Investigations to Assess Surface Contact Fatigue Faults in the Rolling Contact Bearings by Enhancement of Sound and Vibration Signals.  Journal of Nondestructive Evaluation, 38, DOI: 0.1007/s10921-019-0571-z

  19.     B Nidish Narayanaa, I R Praveen Krishna and C Padmanabhan (2018). A Harmonic-Energy Balance Method for Nonlinear Conservative Systems. Journal of Sound and Vibration, 422,526-541. https://doi.org/10.1016/j.jsv.2018.02.045

  20.     I R Praveen Krishna and C Padmanabhan, (2018). Experimental and numerical investigations on the rotor-stator rub. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 232(18), 3200-3212. https://doi.org/10.1177/0954406217735348

  21.     K Hari, Satish Kumar Verma, I R Praveen Krishna and V Seena, (2017) Out-of-plane dual flexure MEMS piezoresistive accelerometer with low cross-axis sensitivity, Microsystem Technologies, 24(5), 2437-2444. https://doi.org/10.1007/s00542-017-3679-z.

  22.     D Mallikarjuna Reddy and I R Praveen Krishna, (2017). Damage Identification in a Multilevel Structure Using Empirical Mode Decomposition. Journal of Engineering Science and Technology, 12, 3274-3285. https://doi.org/10.1177/14759217211013535.

  23.     I R Praveen Krishna and C Padmanabhan, (2015). Experimental and Numerical Investigations of Impacting Cantilever Beams: Second Mode Response.International Journal of Mechanical Sciences, 92, 187 - 193. https://doi.org/10.1016/j.ijmecsci.2014.12.013

  24.     D Mallikarjuna Reddy, I R Praveen Krishna and Sathesa, (2015). Innovative method of empirical mode decomposition as spatial tool for structural damage identification. Structural Control and Health Monitoring, 22, 365 - 373. https://doi.org/10.1002/stc.1676

  25.     M Amarnath and I R Praveen Krishna,(2014). Local fault detection in helical gears via vibration and acoustic signals using EMD based statistical parameter analysis. Measurement, 58, 154 - 164. https://doi.org/10.1016/j.measurement.2014.08.015

  26.     M Amarnath and I R Praveen Krishna, (2013). Detection and diagnosis of surface wear failure in a spur geared system using EEMD based vibration signal analysis, TribologyInternational, 61, 224 - 234. https://doi.org/10.1016/j.triboint.2013.01.001

  27.     M Amarnath and I R Praveen Krishna, (2012). Empirical Mode Decomposition of Acoustic Signals for Diagnosis of Faults in Gears and Rolling Element Bearings, IET Science, Measurement & Technology, 6(4):279 - 287. 10.1049/iet-smt.2011.0082

  28.     I R Praveen Krishna and C Padmanabhan, (2012). Experimental and Numerical Investigations of Impacting Cantilever Beams Part 1: First Mode Response. Nonlinear Dynamics, 67:1985 - 2000. https://doi.org/10.1007/s11071-011-0123-2

  29.     I R Praveen Krishna and C Padmanabhan, (2011). Improved reduced-order solution techniques for nonlinear systems with localized nonlinearities. Nonlinear Dynamics, 63(4):561 - 586.DOI 10.1007/s11071-010-9820-5

 

 International conferences

 

  1. Lokesh Rishabh, Rajesh Sadanandan, and I. R. Praveen Krishna “Experimental Investigation of the self-excited oscillations of swirl stabilized non-premixed flames.” 27th National and 5th International ISHMT-ASTFE Heat and Mass Transfer Conference. December 14-17, IIT Patna, Patna, Bihar.

  2. Gaurab Kumar Khanra, I.R. Praveen Krishna and Raveendranath P. "A Mixed-Finite Element Method based formulation for the static bending analysis of Eringen’s strain-driven Euler-Bernoulli nanobeams." 8th European congress on advanced nanotechnology and nanomaterials conference. October 12-13 2023 Hyatt Place, London Heathrow Airport, London, UK (offline).

  3. Gaurab Kumar Khanra, I. R. Praveen Krishna and P. Raveendranath. "A re‐look into the modelling aspects of Eringen’s strain‐driven nonlocal Euler‐Bernoulli nanobeam bending problems." Third International Conference on Mechanics of Advanced Materials and Structures (ICMAMS) 9-10, August 2023. Texas A&M Hotel and Conference Centerat Texas A&M University (online).

  4. Aalokeparno Dhar and I R Praveen Krishna “Modified Energy-based Time Variational Methods for Obtaining Periodic and Quasi-periodic Responses” Third International Nonlinear Dynamics Conference (NODYCON 2023) in Rome, Italy,  June 18-22, 2023 (online).

  5.  Gaurab Khanra , Praveen Krishna I. R. , Raveendranath P, On the Satisfaction of Natural & Essential Boundary Conditions for Bending in Nanobeams within the Framework of

  6. Eringen’s Nonlocal Elasticity Theory, 4th Structural Integrity Conference and Exhibition- 2022 (SICE 2022), 14-16th December, 2022, IIT Hyderabad.

  7. Renjith A R, I R Praveen Krishna, Evaluation of nonlinear normal modes using time variational method, 28th International Congress on Sound and Vibration (ICSV28), July 25 -27, 2022, Singapore.

  8. Prabith K, I R Praveen Krishna. Influence of squeeze film damper on the rub-impact response of dual-rotor model, VETOMAC XVI, Bangalore, India Dec 16-18, 2021 (Online).

  9. Dubey Vijay, I. R. Praveen Krishna. Improvements in studies on optimization of parameters governing the harmonicity of membranes of Tabla. The 27th International Congress on Sound and Vibration (ICSV27), Prague, Czech Republic, July 11-16, 2021 (Online).

  10. Prabith K, I R Praveen Krishna. An optimum frequency ratio calculation for the quasi-periodic response analysis of nonlinear systems. The 27th International Congress on Sound and Vibration (ICSV27), Prague, Czech Republic, July 11-16, 2021 (Online).

  11. V. Gunasegaran, M. Amarnath, H. Chelladurai, I.R. Praveen Krishna (2021). Application of bispectrum analysis to detect faults in helical geared system, 3rd International Conference on Materials, Manufacturing and Modelling - (ICMMM 2021) 19–21 March 2021, Vellore, India.

  12. Santhosh B, I. R. Praveen Krishna, Aalokeparno Dhar. Generalized Energy Balanced Method for a Combined Nonlinear Vibration Absorber Energy Harvester with Nonlinear Energy Sink. Second International Nonlinear Dynamics Conference (NodyCon21), Rome, Italy, February 16-19, 2021 (Online).

  13. Aalokeparno Dhar, I. R. Praveen Krishna. Semi-analytical approaches for solving Duffing oscillator with multi-frequency excitation. Second International Nonlinear Dynamics Conference (NodyCon21), Rome, Italy, February 16-19, 2021 (Online).

  14. K. Prabith, I. R. Praveen Krishna. Bifurcation studies of a nonlinear mechanical system subjected to multi-frequency-quasi-periodic excitations. Second International Nonlinear Dynamics Conference (NodyCon21), Rome, Italy, February 16-19, 2021 (Online).

  15. D. Paavani, M. Aswathy, C. O. Arun and I. R. Praveen Krishna. Analysis of Geometrically Nonlinear Euler-Bernoulli Beam using EFGM. IOP Conference Series: Materials Science and Engineering, Volume 936, International Conference on Materials, Mechanics and Structures 2020 (ICMMS2020) 14-15 July 2020, Kerala, India

  16. K. R. Unnikrishnan., I.R. Praveen Krishna., C. O. Arun., Free Vibration analysis of Pre-stressed nonhomogeneous membranes using element free Galerkin Method., Seventh International Congress on Computational Mechanics and Simulations, ICCMS 2019, IIT Mandi, 11-13 Dec 2019.

  17. K. R. Unnikrishnan., C. O. Arun.,  I.R. Praveen Krishna., Wrinkling analysis of pre-stressed membranes using element free Galerkin method., 10th International Conference on Computational Methods, Singapore., 9 -13 July 2019.

  18. Unnikrishnan K.R., Praveen Krishna I.R., Arun C.O. (2020) Free Vibration Analysis of Pre-stressed Membrane Using Element Free Galerkin Method. First International Conference on Emerging Trends in Engineering (ICETE). Learning and Analytics in Intelligent SystemsUniversity College of Engineering, Osmania University, Hyderabad, India, 22-23 March 2019.

  19. Nidish Narayana Balaji and I R Praveen Krishna.Coupled Simulation of Rotor Systems Supported by Journal Bearings, The 10th IFToMM International Conference on Rotor Dynamics (IFToMM ICORD 2018), Rio de Janeiro, Brazil, 23 -27 2018.

  20. K Prabith and I R Praveen Krishna.A Modified Model Reduction Technique for the Dynamic Analysis of Rotor- Stator Rub, The 10th IFToMM International Conference on Rotor Dynamics (IFToMM ICORD 2018), Rio de Janeiro, Brazil, 23 -27 2018.

  21. K R Unnikrishnan, I R Praveen Krishna and C O Arun. Mesh dependency study on wrinkling and vibration analysis on pre-stressed membranes, 3rd International Conference on Materials, Mechanics and Management (IMMM2017), CET Trivandrum, Kerala, India, 13-15, July 2017

  22. K Hari, I R Praveen Krishna and V Seena. Piezoresistive Si MEMS Accelerometer with Novel Nonplanar Flexures for Low Cross Axis Sensitivity, 3rd International Conference on Emerging Electronics ICEE 2016 (IEEE), IIT Bombay, Mumbai, India, 27-30, December 2016

  23. Sudhakar Gantasala, I R Praveen Krishna, and A S Sekhar. Dynamic Analysis of Rotors Supported On Journal Bearings by Solving Reynolds Equation Using Pseudospectral Method, The 9th IFToMM International Conference on Rotor Dynamics, IFToMM ICORD 2014, Milan, Italy, 22-25, September 2014.

  24. I R Praveen Krishna and C Padmanabhan Experimental and Numerical Investigations on Rotor-Stator Rub. Proceedings of the National Symposium on Rotor Dynamics (NSRD), IIT Madras, 19-21, December 2011.

  25. M Amarnath and I R Praveen Krishna. Detection and Diagnosis of Fault in Two-Stage Helical Gearbox Using Empirical Mode Decomposition Method. Proceedings of 53rd Congress of ISTAM, Osmania University, Hyderabad, India, 27-30, December 2008.

  26. I R Praveen Krishna and C Padmanabhan. Investigations on the Nonlinear Behavior of a Cantilever Beam with End Stops. The 9th International Conference on Motion and Vibration Control (MOVIC 2008), Munich, 15-18, September 2008.

  27. I R Praveen Krishna and C Padmanabhan. Dynamic Analysis of Systems with Localized non-linearities. International Conference of Mathematical modeling of Non-linear systems IIT Kharagpur, 9-11, December 1999.

 

 Book Chapters

 

  1.  Prabith, K., Praveen Krishna (2023). Influence of Squeeze Film Damper on the Rub-Impact Response of a Dual-Rotor Model. In: Tiwari, R., Ram Mohan, Y.S., Darpe, A.K., Kumar, V.A., Tiwari, M. (eds) Vibration Engineering and Technology of Machinery, Volume I. VETOMAC 2021. Mechanisms and Machine Science, vol 137. Springer, Singapore. https://doi.org/10.1007/978-981-99-4721-8_38l.

  2.     Prabith, K., Krishna, I.R.P. (2022). Bifurcation Studies of a Nonlinear Mechanical System Subjected to Multi-Frequency-Quasi-Periodic Excitations. In: Lacarbonara, W., Balachandran, B., Leamy, M.J., Ma, J., Tenreiro Machado, J.A., Stepan, G. (eds) Advances in Nonlinear Dynamics. NODYCON Conference Proceedings Series. Springer, Cham. https://doi.org/10.1007/978-3-030-81162-4_63.

  3.     Dhar, A., Praveen Krishna, I.R. (2022). Semi-Analytical Approaches for Solving Duffing Oscillator with Multi-Frequency Excitation. In: Lacarbonara, W., Balachandran, B., Leamy, M.J., Ma, J., Tenreiro Machado, J.A., Stepan, G. (eds) Advances in Nonlinear Dynamics. NODYCON Conference Proceedings Series. Springer, Cham. https://doi.org/10.1007/978-3-030-81162-4_53.

  4.     Santhosh, B., Praveenkrishna, I.R., Dhar, A. (2022). Generalized Energy Balanced Method for a Combined Nonlinear Vibration Absorber Energy Harvester with Nonlinear Energy Sink. In: Lacarbonara, W., Balachandran, B., Leamy, M.J., Ma, J., Tenreiro Machado, J.A., Stepan, G. (eds) Advances in Nonlinear Dynamics. NODYCON Conference Proceedings Series. Springer, Cham. https://doi.org/10.1007/978-3-030-81170-9_24.

  5.     Unnikrishnan K.R., Praveen Krishna I.R., Arun C.O. (2020) Free Vibration Analysis of Pre-stressed Membrane Using Element Free Galerkin Method. In: Satapathy S., Raju K., Molugaram K., Krishnaiah A., Tsihrintzis G. (eds) International Conference on Emerging Trends in Engineering (ICETE). Learning and Analytics in Intelligent Systems, vol 2. Springer, Cham.

  6.     K. R. Unnikrishnan., I.R. Praveen Krishna., C. O. Arun.(2019), Mesh dependency study on wrinkling and vibration analysis on pre-stressed membranes. In: Sheela Evangeline, M.R. Rajkumar, Saritha G. Parambath (eds) Proceedings of 4th International Conference on Material Mechanics and Management, CRC Press-Taylor and Francis.

  7.     Balaji N.N., Krishna I.R.P. (2019) Coupled Simulation of Rotor Systems Supported by Journal Bearings. In: Cavalca K., Weber H. (eds) Proceedings of the 10th International Conference on Rotor Dynamics – IFToMM. IFToMM 2018. Mechanisms and Machine Science, vol 60. Springer, Cham (Chapter 30)

  8.     Prabith K., Praveen Krishna I.R. (2019) A Modified Model Reduction Technique for the Dynamic Analysis of Rotor-Stator Rub. In: Cavalca K., Weber H. (eds) Proceedings of the 10th International Conference on Rotor Dynamics – IFToMM. IFToMM 2018. Mechanisms and Machine Science, vol 62. Springer, Cham (Chapter 29)

  9.     Sudhakar Gantasala, I R Praveen Krishna and A S Sekhar. Dynamic Analysis of Rotors Supported On Journal Bearings by Solving Reynolds Equation Using Pseudospectral Method, Proceedings of the 9th IFToMM International Conference on Rotor Dynamics; Mechanisms and Machine Science Series Vol. 21; Ed. Pennacchi, Paolo; Springer, 2015.

 

 

 

 

 

 

Courses

B.Tech

  • Engineering Mechanics
  • Mechanics of Materials
  • Aerospace Structures I
  • Theory of Elasticity
  • Kinematics and Dynamics of Machinery
  • Structural Acoustics and Noise Control
  • Applied Dynamics and Vibration (1/2)
  • Introduction to the Indian Knowledge System

M. Tech

  • Aeroelasticity(1/2)
  • Mathematical Methods for Aerospace Engineers (1/3)
  • Structural Dynamics
  • Structural Acoustics and Noise Control
  • Mechanics of Composite Materials