Hemantha Kumar

Designation: 

Associate Professor

Date of Joining at NITK: 

Monday, December 17, 2012

Professional Experience: 

Post PhD:-
• 16-05-2018 to till now, ‘Associate Professor’, National Institute of Technology Karnataka, Surathkal.
• 17-12-2012 to 15-05-2018, ‘Assistant Professor’, National Institute of Technology Karnataka, Surathkal.
• 13-09-2010 to 15-12-2012, ‘Assistant Professor’, Birla Institute of Technology and Science – Pilani (BITS - Pilani), Goa Campus.
• 06-04- 2009 to 03-09-2010, ‘Senior Engineer‘, John Deere Technology Center India ltd., Pune.
• 08-09-2008 to 17-03-2009, ‘CAE Software Engineer‘, VJ Core Soft Ltd., Pune.

Contact Details

E-mail: 

hemantha [at] nitk.edu.in
hemanta76 [at]gmail.com

Telephone: 

+ 91 824-2473681,
Academic Background

Ph.D - IIT Madras (2009)
M.Tech - VTU (2003)
B.E - Mysore University (2000)

Areas of Interest
  • Dynamics and Vibrations
  • Vehicle Dynamics
  • Condition monitoring
  • Finite Element Method and
  • Product Design
Significant Projects

1]. Name of the Project : Design, Fabrication and Characterization of Magneto-Rheological (MR) Dampers for Industrial Applications
Status: Completed
Funding Agency: DST - SERB, FAST TRACK, 'Young Scientist Scheme'
Principal Investigator: Dr. Hemantha Kumar
Year: 2014 - 2017
Funding Amount: 20.84 Lakhs

2] Name of the Project : Development of Cost Effective Magneto-Rheological (MR) Fluid Damper in Two wheelers and Four Wheelers Automobile to Improve Ride Comfort and Stability
Status: On-going
Funding Amount: 3.55 Crores
Funding Agency: Ministry of Road Transfer and Highways
Scheme: Impacting Research Innovation and Technology (IMPRINT), Govt. of India.
Principal Investigator: Dr. Hemantha Kumar,
Co –Investigators:-
i]. Prof. C.Sujatha, Dept. of Mechanical Engineering, IIT Madras
ii]. Prof. K.V.Gangadharan, Dept. of Mechanical Engineering, NITK
iii]. Dr. Sharnappa J., Dept. of Mechanical Engineering, NITK
iv]. Dr. Mohd.Rizwan Rahman, Dept. of Material and Metallurgy Engg. NITK
v]. Dr. Sheron F. Dept. of Electrical and Electronics Engg. NITK
vi]. Dr. Sandesh S. Senior Manager, Ashok Leyland Ltd. Chennai
vii]. Mr. Rajasekharan , Scientific Advisor, Rambal Ltd. Chennai.
Year: 2017-2020.

3] Name of the Project : EXPERIMENTAL INVESTIGATION OF PASSIVE, SEMI-ACTIVE AND ACTIVE VIBRATION CONTROL OF COMPOSITE SANDWICH STRUCTURE
Status: On-going
Funding Amount: 60 Lakhs
Funding Agency: DST Early Career Research Award, Govt. of India.
Principal Investigator:- Dr. Sharnappa Joladarashi
Co-Principal Investigator: Dr. Hemantha Kumar

Supervision of Ph.D

Ph.D Degree awarded: 04
Ph.D Ongoing: 06
M.Tech (Research) Degree awarded : 02

Significant Publications

Journal Publications :

1. Hemantha Kumar and Sujatha. C., “Analytical and Experimental Studies on Prediction of Lateral Dynamic Behavior of Rail Bogie Used in Indian Railways”, Journal of Vibration Engineering and Technology (Earlier Journal Title:- Advances in Vibration Engineering), 2010, 9 (2), 191-206. (SCI indexed and Scopus indexed).

2. Hemantha Kumar and Sujatha. C., “Ride Comfort Analysis of a Railway Vehicle Moving on Straight Track and Subjected to Average Vertical Profile (AVP) Excitation”, Journal of Vibration Engineering and Technology (Earlier Journal Title:- Advances in vibration Engineering), 2010, 9 (2), 119-130. Doi: 10.4203/ccp.93.10 (SCI indexed and Scopus indexed)

3. Amarnath. M, Narayan Kumar and Hemantha Kumar, “Assessment of Lubricating Oil Degradation in a Spur Geared System”, International Journal of Applied Engineering Research, 2011, 6 (5), 849-856.

4. V. Muralidharan, Hemantha Kumar and V. Sugumaran. “Fault Diagnosis of Monoblock Centrifugal Pump using Discrete Wavelet Features and J48 Algorithm”, International Journal of Mechanical Engineering and Technology, 2012, 3(1), 120-126.

5. Hemantha Kumar, T.A. Ranjit Kumar, M. Amarnath and V. Sugumaran, “Fault Diagnosis of Anti Friction Bearings through Sound Signals using Support Vector Machine”, Journal of Vibro Engineering, 2012, 14(4), 1601-1606. (SCI indexed and Scopus indexed).

6. V. Sugumaran, Deepak Jain, M. Amarnath and Hemantha Kumar, “Fault Diagnosis of Helical Gear Box using Decision Tree through Vibration Signals”, International Journal of Performability Engineering, 2013, 9(2), 221-233 (Scopus indexed).

7. M. Amarnath, Deepak Jain, V. Sugumaran, and Hemantha Kumar, Fault Diagnosis of Helical Gear Box using Decision tree and Best – First Tree, International Journal of Research in Mechanical Engineering, Vol.1, Issue 1, pp. 22-33, 2013.

8. M. Amarnath, V. Sugumaran and Hemantha Kumar, “Exploiting Sound Signals for Fault Diagnosis of Bearings Using Decision Tree”, Measurement, 2013, 46, 1250 – 1256, doi: 10.1016/j.measurement.2012.11.011 (SCI indexed and Scopus indexed).

9. Hemantha Kumar, T.A. Ranjit Kumar, M. Amarnath and V. Sugumaran, “Fault Diagnosis of Bearings through Vibration Signal Using Bayes Classifiers”, International Journal of Computer Aided Engineering and Technology, 2014, 6(1), 14-28. doi: 10.1504/ijcaet.2014.058002 (Scopus indexed).

10. Hemanth K., Ganesha A., Hemantha Kumar and Gangadharan K.V., “Analysis of Magnetorheological damper based on Finite Element Approach”, Applied Mechanics and Materials, 2014, 592, 2006-2010. doi: 10.4028/www.scientific.net/amm.592-594.2006. (SCI indexed and Scopus indexed).

11. Kiran Vernekar, Hemantha Kumar, K.V.Gangadharan “Computational and Experimental Approach for Fault Detection of Gears”, Journal of Vibration Analysis, Measurement, and Control, Vol. 2 No. 1 pp. 16-29, 2014.

12. Kiran Vernekar, Hemantha Kumar and K.V.Gangadharan “Fault diagnosis of deep groove ball bearing through discrete wavelet features using support vector machine”, Int. Journal of Condition Monitoring and Diagnostic Engineering Management (COMADEM), 2014, 17, 31- 37. (SCI indexed and Scopus indexed).

13. N. Gangadhar, Hemantha Kumar, S. Narendranath, Condition Monitoring of Single Point Cutting Tool through Vibration Signals using Decision Tree Algorithm", Journal of Vibration Analysis, Measurement, and Control, Vol. 3, No.1 pp. 34-43, 2015.

14. Kiran Vernekar, Hemantha Kumar, K.V.Gangadharan. “Fault diagnosis of gear through discrete wavelet features based on decision tree and support vector machine”, International Journal of Condition Monitoring, Vol-5, Issue 2, 2015.

15. Kiran Vernekar, Hemantha Kumar, K.V.Gangadharan “Fault Detection of Gear using Spectrum and Cepstrum Analysis”, Proceedings of the Indian National Science Academy, Vol 81, No. 4, 2015.

16. R.K. Sharma, V. Sugumaran, Hemantha Kumar, and M. Amarnath, “A comparative study of Naïve Bayes classifier and Bayes Net classifier for fault diagnosis of roller bearing using sound signal”, International Journal of Decision Support Systems, Vol.1, Issue 1, 2015.

17. M. Amarnath, Deepak Jain, V. Sugumaran, and Hemantha Kumar, Fault Diagnosis of Helical Gear Box using Naïve Bayes and Bayes Net, International Journal of Decision Support Systems, Vol.1, Issue 1, 2015.

18. Madhusudana, C. K., N. Gangadhar, Hemantha Kumar, S. Narendranath, " Use of Discrete Wavelet Features and Support Vector Machine for Fault Diagnosis of Face Milling Tool", Journal of Structural Durability & Health Monitoring, 2016. Status: Accepted for Publication.

19. N. Gangadhar, C. K. Madhusudana, Hemantha Kumar, S. Narendranath, " Recurrence Quantification Analysis to Classify the Tool Condition of Tungsten Carbide while Machining Die Steel", International Journal of Condition Monitoring, 2016, 6(1), 2-8. doi: http://dx.doi.org/10.1784/204764216819257178.

20. Madhusudana C. K., Hemantha Kumar and Narendranath S., (2016) “Fault Detection of Face Milling Cutter through Spectrum, Cepstrum and Wavelet Analysis”, Journal of Vibration Analysis, Measurement and Control, Vol. 4 (1), 10-28.

21. Madhusudana, C. K., Kumar, H., & Narendranath, S. (2016). Condition monitoring of face milling tool using K-star algorithm and histogram features of vibration signal. Engineering Science and Technology, an International Journal (doi:10.1016/j.jestch.2016.05.009).

22. Hemantha Kumar, V. Sugumaran and M. Amarnath, “Fault Diagnosis of Bearings through Sound Signal using Statistical features and Bayes classifier”, Journal of vibration Engineering and Technology, Vol.4, Issue 2, 2016.

23. Madhusudana,C. K., S. Budati, N. Gangadhar, Hemantha Kumar, S. Narendranath, "Fault Diagnosis Studies of Face Milling Cutter using Machine Learning Approach", Journal of Low Frequency Noise, Vibration and Active Control, 35(2), 128-138,2016.

24. Krishna, H., Kumar, H., & Gangadharan, K. (2017). Optimization of Magneto-Rheological Damper for Maximizing Magnetic Flux Density in the Fluid Flow Gap through FEA and GA Approaches. Journal of The Institution of Engineers (India): doi: 10.1007/s40032-016-0251-z.

25. Hemanth K., Hemantha Kumar and K.V. Gangadharan. "Dynamic analysis of half car model with MR damper as semi-active suspension element". International Journal of Acoustics and Vibration, 2017. Status:- Accepted for Publication, (SCI indexed and Scopus indexed).

26. N. Gangadhar, Hemantha Kumar, S. Narendranath and Sugumaran V. "Condition Monitoring of Single Point Cutting Tool based on Machine Learning Approach". International Journal of Acoustics and Vibration, 2017. Status:- Accepted for Publication, (SCI indexed and Scopus indexed).

27. K Hemanth, Hemantha Kumar, KV Gangadharan, “Vertical dynamic analysis of a quarter car suspension systems with MR damper”, Journal of Brazilian Society of Mechanical Engineers, 2017, 39(1), 41-51. DOI:- 10.1007/s40430-015-0481-7, (SCI indexed and Scopus indexed).

28. N. Gangadhar, Kiran Vernekar, Hemantha Kumar, S. Narendranath, " Fault Diagnosis of Single Point Cutting Tool through Discrete Wavelet Features of Vibration Signals using Decision Tree Technique and Multilayer Perceptron", Journal of Vibration Engineering and Technology, 2017, 5 (2). (SCI indexed and Scopus indexed).

29. Gurubasavaraju, T. M., Hemantha Kumar, and Arun, M. (2017). “Evaluation of optimal parameters of MR fluids for damper application using particle swarm and response surface optimisation.” Journal of Brazilian Society of Mechanical Engineers, Publication DOI: 10.1007/s40430-017-0875-9.

30. Madhusudana C. K., Hemantha Kumar, and Narendranath S. (2017). "Face Milling Tool Condition Monitoring using Sound Signal". International Journal of System Assurance Engineering and Management, doi:10.1007/s13198-017-0637-1.

31. Anil Kumar K.S, S. M. Murigendrappa and Hemantha Kumar (2017) "A Bottom-up Optimization Approach for Friction Stir Welding Parameters of Dissimilar AA2024-T351 and AA7075-T651 Alloys". Journal of Materials Engineering and Performance, doi:10.1007/s11665-017-2746-z.

32. Hemanth K., Lohit S.K., Hemantha Kumar and K.V. Gangadharan "Ride Comfort Analysis of a Vehicle with Semi-Active Suspension System with Fuzzy Logic Control Strategy Subjected to Random Road Irregularities. Journal of Vibration Engineering & Technologies, 2017. (SCI indexed, Scopus indexed).

33. Kiran Vernekar, Hemantha Kumar, K.V.Gangadharan. (2017) "Engine gearbox fault diagnosis using Empirical mode decomposition method and Naïve Bayes algorithm" Sadhana, doi:10.1007/s12046-017-0678-9.

34. Gurubasavaraju, T.M., Kumar, H. and Arun, M. "Optimisation of monotube magnetorheological damper under shear mode". Journal of the Brazilian Society of Mechanical Sciences and Engineering, 2017. DOI: 10.1007/s40430-017-0709-9 (SCI indexed, Scopus indexed).

35. Srinivasa N., Gurubasavaraju T.M., Hemantha Kumar and Arun M.(2017) Vibration analysis of fully and partially filled sandwiched cantilever beam with magnetorheological fluid, Journal of Engineering Science and Technology, Status: Conditionally Accepted for publication, SCOPUS Indexed.

36. Rahul Kumar Sharma, V. Sugumaran, Hemantha KumarCondition Monitoring of Roller Bearing by K-Star Classifier and K-Nearest Neighborhood Classifier Using Sound Signal.(2017).SDHM Structural Durability and Health Monitoring 12(1):1-16

37. Gurubasavaraju T.M., Hemantha Kumar and Arun M.(2018) “Performance analysis of a semi-active suspension system using coupled CFD-FEA based non-parametric modelling of low capacity shear mode monotube MR damper” Proceedings of Institute of Mechanical Engineering Division, Journal of Automobile Engineering. SCI and SCOPUS Indexed

38. Gurubasavaraju, T. M., Kumar, H., & Mahalingam, A. (2018). An approach for characterizing twin-tube shear-mode magnetorheological damper through coupled FE and CFD analysis. Journal of the Brazilian Society of Mechanical Sciences and Engineering, 40(3), 139, DOI: 10.1007/s40430-018-1066-z, SCI and SCOPUS Indexed, Publisher Name: Springer Berlin Heidelberg.

39. C.K. Madhusudana, , Hemantha Kumar, S. Narendranath.(2018) "Fault Diagnosis of Face Milling Tool using Decision Tree and Sound Signal",Materials Today:Proceedings, Volume 5, Issue 5, Part 2, pp.12035–12044.

40. N. Gangadhar, Hemantha Kumar and S. Narendranath,V. Sugumaran.(2018)."Condition Monitoring of Single Point Cutting Tools Based on Machine Learning Approach", International Journal of Acoustics and Vibration, Vol. 23, No. 2,pp. 131-137. (SCIE and Scopus Indexed)

41. K. Hemanth, Hemantha Kumar and K. V. Gangadharan.(2018). "Dynamic Analysis of Half Car Model with MR Damper as Semi-Active Suspension Element",International Journal of Acoustics and Vibration, Vol. 23, No. 2,pp 138-146. (SCIE and Scopus Indexed)

Conference Publications :

1. Hemantha Kumar, Suresh Kumar and Sujatha. C, Lateral dynamic analysis of a typical Indian railroad vehicle, 12th National Conference on Machines and Mechanisms (NaCoMM-2005), 208-214, IIT Guwahati, December 16-17, 2005, India.

2. Hemantha Kumar and Sujatha. C, Lateral dynamic analysis of a railway vehicle wheelset, 14th ISME International Conference on Mechanical Engineering in Knowledge Age, DCE, New Delhi, Dec. 12-14, 2005, Delhi.

3. Hemantha Kumar and Sujatha. C, Vertical dynamic analysis of a typical Indian railway vehicle, 2nd International Congress on Computational Mechanics and Simulation, 467- 475, IIT Guwahati, December 8-10, 2006, India.

4. Hemantha Kumar and Sujatha. C., Vertical Dynamics of an Indian Railway Vehicle Moving on Straight Track, Tenth International Conference on Computational Structures Technology, Valencia, Spain, 2010.

5. Hemantha Kumar and Sujatha. C., Analytical and experimental studies on lateral dynamics of a railway vehicle moving on straight track, Seventeenth International Conference on Sound and Vibration (ICSV17), 2010, Cairo.

6. M. Amarnath, R.L. Gautam, Mukesh Kumar Roy, Sunil Agrawal, Ajay Kumar and Hemantha Kumar., An Experimental Study of Cutting Fluid Effects in Turning, International Conference on Industrial Engineering (ICIE 2011), December 25-26, 2011, Bangkok, Thailand.

7. Hemantha Kumar and Sujatha. C., Analytical and Experimental Studies on Dynamic Behavior of a Rail Vehicle Moving on Straight Track, Vibration Engineering and Technology of Machinery (VETOMAC-VII), November 21-24, 2011, China.

8. Hemantha Kumar, Ranjit Kumar and Amarnath M, Fault Diagnosis of Bearings through Vibration Signal using J48 Classifier, International Conference on Mathematical Modeling and Soft Computing, 394 -404, 2012, Coimbatore, India.

9. Hemantha Kumar, M. Amarnath and V. Sugumaran, “Fault Diagnosis of Anti Friction Bearings using Vibration and Sound Signals – A Neural Network Approach”, CAE 2013, IIT Madras, Dec 2013, Chennai.

10. N. Gangadhar, Hemantha Kumar, S. Narendranath, Effect of cutting speed and feed rate on temperature and cutting force in machining of Hardened steel AISI H13 using computational approach, CALM 2014, Chennai.

11. A Ganesha, K Hemanth, Chandrashekar Bhat, Hemantha Kumar (2014), “Study of single coil twin tube MR damper with and without the use of liner”, International Conference on Computational Methods in Engineering and Health Sciences (ICCMEH-2014).

12. Girish Kumar M, Hemanth K, Gangadhar N, Hemantha Kumar, Prasad Krishna “Fault Diagnosis of welded joints through Vibration Signal using Naïve Bayes Algorithm” ICAMME-2014, Published in Procedia Materials Science, Vol.5 , pp. 1922-1928, 2014.

13. N. Gangadhar, Hemantha Kumar, S. Narendranath, V. Sugumaran “Fault Diagnosis of Single Point Cutting Tool through Vibration Signal using Decision Tree Algorithm” ICAMME-2014,Published in Procedia Materials Science, Vol.5 , pp. 1434-1441, 2014.

14. Kiran Vernekar, Hemantha Kumar, K.V.Gangadharan “Gear fault detection using vibration analysis and continuous wavelet transform” ICAMME-2014, Published in Procedia Materials Science, Vol.5 , pp.1846-1852, 2014.

15. Gangadhar N., Hemantha Kumar, Narendranath S., Sugumaran V. and Amarnath M., “Fault Diagnosis of Bearings through Vibration Signal Using Decision Tree Algorithm”, International Conference on Advances in Tribology [ICAT14], Published in Technology Letters, Vol.1, No.7, 2014, 14-18.

16. Madhusudana C. K., Hemantha Kumar and Narendranath S. "Effect of Cutting Speed and Feed Rate on Cutting Force, Temperature and Stress in Face Milling of Steel Alloy 42CrMo4 by using Computational Approach", 6th International & 27th All India Manufacturing Technology, Design and Research Conference (AIMTDR-2016), December 16-18, 2016 at College of Engineering., Pune, Maharashtra, India.

17. Hemanth K., Hemantha Kumar and K.V. Gangadharan. Comparitive Study between Non-Parametric Magneto-Rheological (Mr) Damper Model With Parametric Bouc-Wen Magneto-Rheological Model. Sixth International Congress on Computational Mechanics and Simulation (ICCMS-2016), IIT Bombay, Mumbai, India, June 27-July 1, 2016.

18. Hemanth K, Hemantha Kumar and K V Gangadharan, Evaluate the Performance of Quarter Car Suspension System with Nonlinear Hysteresis Magnetorheological Damper. Sixth International Congress on Computational Mechanics and Simulation (ICCMS-2016), IIT Bombay, Mumbai, India, June 27-July 1, 2016.

19. Vipin Allien, Hemantha Kumar and Vijay Desai. An Investigation on Characteristics and Free Vibration analysis of Laminated chopped glass fiber reinforced polyester resin composite. Proceedings of the 2nd international conference on Design, Analysis, Manufacturing and Simulation (ICDAMS-2016) April 7-8, 2016. (Published in ARPN Journal of Engineering and Applied Sciences)

20. Lohit S K, Hemanth K, Hemantha Kumar and K V Gangadharan. Experimental and Analytical Studies on Magnetorheological Damper. International conference on “Futuristic innovations in Mechanical Engineering and Manufacturing Engineering and Manufacturing Management” (ICFIMEMM-2016), 30-31, March-2016.(Published in Applied Mechanics and Materials, ISSN: 1662-7482, Annexure II)

21. V C Nikhil,V Rajashekar, Desai Rangaraj,J Sharnappa, Kumar Hemantha. Experimental Analysis of Power Regeneration from a Magnetic Damper. International Conference on Vibration Problem IIT Guwahati 2017.

22. Ravikumar K.N., Hemantha Kumar and K.V. Gangadharan., “Fault Diagnosis of Ball Bearing of Two Stroke IC engine Based on Vibration Signals using Decision Tree and K-Star algorithm”, 5th National symposium on Rotor Dynamics (NSRD) 2017, IIT-Patna.

23. S Aralikatti, Suhas ; Kumar,Hemantha; Vardhaman,Ajay B.s; Muniyappa, Amarnath; Experimental investigations to enhance the tribological performance of spur gears using titanium nitride coating. 10th International Conference on Precision, Meso, Micro and Nano Engineering (COPEN-10), IIT Madras, Chennai, Dec 2017.

24. Gurubasavaraju T.M, Hemantha Kumar and Arun M, "A study of influence of material properties on magnetic flux density induced in magneto rheological damper through finite element analysis", International Conference on Research in Mechanical Engineering Sciences, MIT Manipal.

25. Gurubasavaraju T.M, Hemantha Kumar and Arun M, "Effect of rheological properties of MR fluid on dynamic performance of semi-active suspension with MR damper". International Conference on Vibration Problem IIT Guwahati 2017

26. J Vipin Allien, Hemantha Kumar, Vijay Desai. Semi-Active Vibration Control of Partially Treated Magnetorheological Fluid Sandwich Composite Beams. 13th International Conference on Vibration Problems, 29th November – 2nd December, 2017, Indian Institute of Technology Guwahati, India.

27. M.H. Sumukha, R. Sandeep, N. Vivek, K.P. Lijesh, Hemantha Kumar, K.V. Gangadharan. Design and Development of Magneto-Rheological Brake for Optimum Casing Thickness. International Conference on Innovative Mechanisms for Industry Applications (ICIMIA 2017).

28. Ravikumar K.N., Madhusudhana C.K., Hemantha Kumar and K.V. Gangadharan., “Ball Bearing Fault Diagnosis Based on Vibration Signals of Two Stroke IC engine using Continuous Wavelet Transform”, 13th International Conference on Vibration Problems (ICOVP) 2017, IIT-Guwahati.

29. N. Srinivasa, Hemanth K, Hemantha Kumar and Arun M. “Vibration Analysis of Sandwich Beam Filled with Magnetorheological Fluid”, The 1st International and 18th ISME Conference ISME 18, February 23-25, 2017 at NIT Warangal.

30. Anil Kumar K.S, S. M. Murigendrappa, Hemantha Kumar. Effect of Tool Rotation Speed on Microstructure and Tensile Properties of FSW Joints of 2024-T351 and 7075-T651 Reinforced With SiC Nano Particle: The Role of FSW Single Pass. International conference on Design, Materials and Manufacture (ICDEM 2018), NITK, Surathkal, January 29-31, 2018.

 

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Dr. Narendranath S, Professor and Head
Department of Mechanical Engineering, NITK, Surathkal
P. O. Srinivasnagar, Mangalore - 575 025
Karnataka, India.

  • Hot line: +91-0824-2473049

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