International Journals (Refereed)

Published / Accepted

• A.S.Sekhar and B.S.Prabhu, "Crack detection and Vibration characteristics of Cracked shafts'', Journal of Sound and Vibration, V. 157(2), Sept. 1992, pp.375-381.
• A.S.Sekhar and B.S.Prabhu, "Vibration and Stress Fluctuations in Cracked shafts'', Journal of Sound and Vibration, V. 169(5), Feb. 1994, pp.655-667.
• A.S.Sekhar and B.S.Prabhu, " Transient analysis of a Cracked rotor passing through critical speed'', Journal of Sound and Vibration, V. 173 (3), 1994, pp.415-421.
• A.S.Sekhar and B.S.Prabhu, " Effects of coupling Misalignment on Vibration of Rotating Machinery'', Journal of Sound and Vibration, V. 185(4), 1995, pp.655-671.
• B.S.Prabhu and A.S.Sekhar, " Severity estimation of cracked shaft vibrations within fluid film bearings'' STLE Tribology Transactions, V.38 (3), 1995, pp.583-588.
• B.Sudhakara Rao, A.S.Sekhar and B.C.Majumdar, " Analysis of Rotors considering distributed bearing stiffness and damping'', Computers & Structures, V.61 (5), 1996, pp.951-955.
• Ram Turaga, A.S.Sekhar, and B.C. Majumdar, " Stochastic FEM Model of 1-D Hydrodynamic Bearings with rough Surfaces '', Wear, V. 197, 1996, pp.221-227.
• Ram Turaga, A.S.Sekhar, and B.C.Majumdar, " Stochastic FEM Analysis of Finite Hydrodynamic Bearings with rough Surfaces '', STLE Tribology Transactions, V.40, 4, 1997, pp.605-612.
• A.S.Sekhar and P.Balaji Prasad, " Dynamic Analysis of A Rotor System Considering a Slant Crack in the shaft '' Journal of Sound and Vibration, V.208(3),1997, pp.457-474.
• A.S.Sekhar and B.S.Prabhu, " Condition Monitoring of a Cracked rotor through Transient response'' , Journal of Mechanism and Machine Theory, V.33(8), 1998, pp.1167-1175.
• R.Turaga, A.S.Sekhar, and B.C.Majumdar, " Stability Analysis of a Rigid rotor supported on Hydrodynamic Bearings with rough Surfaces'' , Proc.Inst.Mech.Engrs. (London), Journal of Engineering Tribology, V.212, 1998, pp.121-130.
• Ram Turaga, A.S.Sekhar, and B.C.Majumdar, " On the choice of element for solving lubrication problems'' ASME Journal of Tribology, V.120(3),July, 1998, pp.636-639.
• A.S.Sekhar and P. Balaji Prasad, " Crack identification in a cantilever beam using coupled response measurements '' , ASME, Journal of Engg.for Gas Turbine and Power, V. 120 (4), Oct. 1998, pp.775-777.
• Ram Turaga, A.S.Sekhar, and B.C.Majumdar, " Comparison between linear and non-linear transient analysis techniques to find the stability of a rigid rotor '' ASME Journal of Tribology, V.121(1), January, 1999, pp. 198-201.
• Ram Turaga, A.S.Sekhar, and B.C.Majumdar, " Unbalance Response and Stability Analysis of a rotor supported on Hydrodynamic Journal Bearings with rough Surfaces '' , Proc. Inst. Mech. Engrs. (London) Journal of Engineering Tribology, V. 213, Part J,pp. 31-34, 1999.
• A.S.Sekhar, " Vibration Characteristics of A Cracked Rotor with two open cracks '' Journal of Sound and Vibration, V. 223 (4), pp. 497-512, 1999.
• A.S.Sekhar, " Condition monitoring of a rotor system having a slant crack in the shaft'' , Noise & Vibration Worldwide, V. 30 (3), pp. 23-31,1999.
• Ram Turaga,>A.S.Sekhar, and B.C.Majumdar, " The Effect of Roughness parameter on the performance of Hydrodynamic Journal Bearings with rough Surfaces '' , Tribology International, V. 32, pp. 231-236, 1999.
• Ram Turaga, A.S.Sekhar, and B.C.Majumdar, " Non-linear transient Stability analysis of a rigid rotor supported on Hydrodynamic Journal Bearings with rough Surfaces'' , STLE Tribology Transactions, V. 43(3), pp. 447-452, July, 2000.
• A.S.Sekhar, " Detection and monitoring of cracks in rotors through Q- factors'' , Proc.Int. Mech. Engrs (London), Journal of Mechanical Engg. Science, I. Mech, Part C, Vol. 214(7), pp.949-954, 2000.
• A.S.Sekhar and Jayant Kumar Dey, " Effects of Cracks on the Rotor System Instability'' , Journal of Mechanism and Machine Theory, Dec. 2000,V.35(12), pp.1657-1674.
• S. Prabhakar, A.S.Sekhar and A.R. Mohanty, " Detection and Monitoring of cracks in a Rotor-bearing system using Wavelet Transforms '' , Journal of the Mechanical Systems and Signal Processing, V 15 (2) March 2001, pp. 447-450.
• S. Prabhakar, A.S.Sekhar and A.R. Mohanty, " Detection and Monitoring of cracks using Mechanical Impedance of Rotor-bearing system'', Journal of the Acoustical Society of America, V. 110(5), pp.2351-2359, 2001.
• S. Prabhakar, A.S.Sekhar and A.R. Mohanty, " Vibration Analysis of a Misaligned Rotor-coupling-bearing system passing through the critical speed'', Journal of Mechanical Engg. Science, I. Mech, Part C, 2001, Vol 215, pp. 1417-1428, 2001.
• A.S.Sekhar and B.N. Srinivas, " Vibration Characteristics of Slotted Shafts'', Journal of Sound and Vibration, V. 251(4), 2002, pp. 621-630.
• S. Prabhakar, A.R. Mohanty and A.S.Sekhar " Application of discrete Wavelet Transform for detection of ball bearing race faults'' , Tribology International, Vol. 35, pp. 793-800, 2002.
• S. Prabhakar, A.S.Sekhar and A.R. Mohanty, " Transient analysis of a slant-cracked rotor passing through its flexural the critical speed'', Journal of Mechanism and Machine Theory, 37 (9), pp. 1007-1020, 2002.
• S. Prabhakar, A.R. Mohanty, , and A.S.Sekhar “Crack detection by measurement of mechanical Impedance of a rotor-bearing system”, Journal of the Acoustical Society of America, 112(6), pp. 2825-2830, Dec. 2002.
• S. Prabhakar, A.S.Sekhar and A.R. Mohanty, " Crack versus Coupling Misalignment in a transient Rotor system '' , Journal of Sound and Vibration, 256(4), pp. 773-786, 2002.
• A.S.Sekhar and B.N. Srinivas, " Dynamic Analysis of Cracked Composite Shafts'', Journal of Reinforced plastics and Composites, V. 22 (7), pp. 637-654, May 2003.
• A.S.Sekhar " Crack detection and monitoring in a rotor supported on fluid film bearings: Start-up versus run-down '', Journal of Mechanical Systems and Signal Processing, Vol. 17 (4), pp. 897-901, 2003.
• A.S.Sekhar " Crack detection through wavelet transform for a run up rotor" '' Journal of Sound and Vibration, 259(2), pp. 461-472, 2003.
• A.S.Sekhar and B.N. Srinivas, " Authors reply to comments on –“Vibration Characteristics of slotted Shafts”, Journal of Sound and Vibration, 265 (2), pp. 468, 2003.
• A.S.Sekhar "Identification of crack in a rotor system using a model-based wavelet approach’' Int. Journal of Structural Health Monitoring, V. 2 (4), pp. 293-308, Dec. 2003.
• A.S.Sekhar "Crack identification in a rotor system—a model based approach’' Journal of Sound and Vibration, 270 (4), pp. 887-902, 2004.
• A.S.Sekhar " Model based Identification of two cracks in a rotor system ’' Journal of Mechanical Systems and Signal Processing, 18(4), pp. 977-983, 2004.
• A.S.Sekhar " Detection and monitoring of crack in a coast-down rotor supported on Fluid film bearings '', Tribology International, 37(3), pp. 279-287, 2004.
• S. Prabhakar, A.R. Mohanty and A.S.Sekhar " Experimental analysis for crack detection in a rotor-bearing system using Wavelet Transform '' , Journal of Advances in Vibration Engineering, V. 3 (4), 2004.
• A.S.Sekhar, “ On-line Rotor fault identification by Combined model and Signal based approach”, Noise & Vibration Worldwide, 35 (7), pp. 16-30, July 2004.
• M. Sarangi, B.C.Majumdar and A.S.Sekhar " Stiffness and damping characteristics of lubricated Ball bearings considering the surface roughness effect. Part I: Theoretical Formulation '', Proc.Inst.Mech.Engrs. (London), Journal of Engineering Tribology, 218, pp. 529-538, 2004.
• M. Sarangi, B.C.Majumdar and A.S.Sekhar "Stiffness and damping characteristics of lubricated Ball bearings considering the surface roughness effect. Part II: Numerical Results and Application'', Proc.Inst.Mech.Engrs. (London), Journal of Engineering Tribology, 218, pp. 539-547, 2004.
• M. Sarangi, B.C.Majumdar and A.S.Sekhar " Elastohydrodynamically lubricated Ball bearings with Couple Stress fluids. Part I: Steady State Analysis '' , Tribology Transactions, STLE , V. 48(3) 2005, pp. 404-414.
• M. Sarangi, B.C.Majumdar and A.S.Sekhar " Elastohydrodynamically lubricated Ball bearings with Couple Stress fluids. Part II: Dynamic Analysis and Application '' , Tribology Transactions, STLE V. 48(3) 2005, pp. 415-424.
• A.S.Sekhar " Identification of unbalance and crack acting simultaneously in a rotor system: Modal expansion Versus Reduced Based Dynamic expansion’' Journal of Vibration and Control, 2005; 11: 1125-1145.
• A.S.Sekhar, A.R. Mohanty and S. Prabhakar " Vibrations of cracked rotor system: Transverse crack versus slant crack '' , Journal of Sound and Vibration, 279, pp. 1203-1217, 2005.
• M. Sarangi, B.C.Majumdar and A.S.Sekhar " On the dynamics of EHD Mixed lubricated Ball bearings. Part I: Formulation of Stiffness and Damping Coefficients '' Proc.Inst.Mech.Engrs. (London), Journal of Engineering Tribology, 219 (6): 411-421, 2005.
• M. Sarangi, B.C.Majumdar and A.S.Sekhar " On the dynamics of EHD Mixed lubricated Ball bearings. Part II: Non-linear Structural Vibration '' Proc.Inst.Mech.Engrs. (London), Journal of Engineering Tribology, 219 (6): 423-433, 2005.
• T. Ramesh Babu, S. Srikanth and A.S.Sekhar, Hilbert-Huang Transform for Detection and Monitoring of Crack in a Transient Rotor., Mechanical Systems and Signal Processing 22(4),905-914, 2008.
• T. Ramesh Babu and A.S.Sekhar, “Shaft Crack Identification using Artificial Neural Networks and Wavelet Transform data of a Transient Rotor” Advances in Vibration Engineering Vol.9(3), 207-214, 2010.
• T. Ramesh Babu and A.S.Sekhar, “Identification of two- cracks in a rotor-bearing system using operational deflection curves” Journal of Sound and Vibration- Vol 314 (3-5) pp 457-464, 2008.
• A.S.Sekhar, “Multiple Cracks effects and Identification ’’– Mechanical systems and signal Processing. 845-878, 22(4), 2008.
• GNDS Sudhakar and A.S.Sekhar, “ Coupling misalignment in Rotating machines : modelling, effects and monitoring” Noise & Vibration Worldwide , V. 40 (1), 17-39, 2009.
• V. Alwan, Ankit Gupta, A.S.Sekhar and R. Velmurugan “Dynamic analysis of shafts of composite materials” Journal of Reinforced Plastics and Composites V.29(22), 3364-3379, November 2010.
• G. Sreedhar babu, A. Lingamurthy, and A.S.Sekhar , “Condition monitoring of BLDC motor based Electro-mechanical linear actuators using Motor Current Signature Analysis” – International Journal of Condition Monitoring, Volume 1, Number 1, June 2011 , pp. 20-32(13).
• GNDS Sudhakar and A.S.Sekhar, “Identification of unbalance in a rotor bearing system”, Journal of Sound and Vibration, V 330 pp. 2299-2313, 2011.
• K.Saravanan and A.S.Sekhar “Crack Identification in a Cantilever Beam Using Rotational Laser Vibrometer based Coupled Response Measurements” International Journal of Structural Engineering, Volume. 3, No. 4, 267-282, 2012.
• K.Saravanan and A.S.Sekhar “Crack detection in a rotor by operation deflection shape and Kurtosis using laser vibrometer measurements ” Journal of Vibration and Control, vol. 19 no. 8, 1227-1239, 2013.
• M.B.Deepthikumar, A.S.Sekhar and M.R.Srikanthan, “Modal Balancing of Flexible Rotors with Distributed Unbalance ” Advances in Vibration Engineering, 2012, accepted and scheduled for Vol. 13, no.2, 2012.
• M.B.Deepthikumar, A.S.Sekhar and M.R.Srikanthan, “Balancing of Flexible Rotor with Bow using Transfer Matrix Method” ” Journal of Vibration and Control, 2012, V.19(3), 461-470.
• K.Saravanan and A.S.Sekhar , “Vibration Based Statistical Features For Shaft Crack Detection in a Rotor ” Advances in Vibration Engineering, V. 12(5), 447-458, 2013.
• M. Chandra Sekhar Reddy and A.S.Sekhar “Application of artificial neural networks for identification of unbalance and looseness in rotor bearing systems” International Journal of Applied Science and Engineering, V.11 (1), 69-84, 2013.
• M. Janardhana Babu, A.S.Sekhar and K. Shankar, “Multi-objective Optimisation of support Characteristics of rotor bearing systems,” International Journal of Structural Engineering (IJStructE), vol. 4(4), pp. 361-386, 2013.
• M.B. Deepthikumar, A.S.Sekhar and M.R.Srikanthan, “Modal Balancing of Flexible Rotors with Distributed Unbalance and Bow ” Journal of Sound and Vibration, Volume 332 (24) Pp. 6216–6233, 2013.
• N. Harish Chandra and A.S.Sekhar, “Estimation of Damping in Rotors Using Complex Morlet Wavelet Transforms” Journal of Vibration and Control, vol. 20 (16), 2536-2551, 2014.
• N. Harish Chandra and A.S.Sekhar, Damping identification in rotors from run-up beat responses using Hilbert transforms, Journal of Mechanical Science and Technology, vol.28 (2), 419-427, 2014.
• F. Dohnal and A.S.Sekhar, “ Current Signature Analysis for Unbalance Detection in a Rotor Supported on Active Magnetic Bearings” International Journal of Condition Monitoring, V.4 (1), pp. 2-8, 2014.
• N. Harish Chandra and A.S.Sekhar, “Swept sine testing of rotors for damping estimation” J. of Sound and vibration, vol.333 (2), 604-620, 2014.
• N. Harish Chandra and A.S.Sekhar, “ Damage Identification and Quantification in Structures Using Wavelet Analysis” Applied Mechanics and Materials, V.471, pp187-192, 2014.
• P.Srikanth and A.S.Sekhar, "Dynamic analysis of fixed speed wind turbine drive train subjected to non-stationary wind load excitation” Journal of Mechanical Engg. Science, I. Mech, Part C, 2015, Volume: 229(3) pp. 429-446.
• Madhavan S., Rajeev Jain, C. Sujatha C, and A.S.Sekhar, “Vibration based Damage Detection of Rotor Blades in a Gas Turbine Engine” J. of Engineering Failure Analysis, , Vol. 46, pp. 25-39, 2014.
• M. Chandra Sekhar Reddy and A.S.Sekhar “Detection and monitoring of coupling misalignment in rotors using torque measurements” , Measurement, Vol. 61, 111-122, 2015.
• Sivakumar Subramanian, A.S.Sekhar and B.V.S.S.S. Prasad, " On the choice of initial clearance and prediction of leakage flow rate for a rotating gas turbine seal", Journal of Mechanical Engg. Science, I. Mech, Part C, 230 (10), 1586-1601, 2016.
• Sivakumar Subramanian, A.S.Sekhar and B.V.S.S.S. Prasad, " Combined radial growth and location influences on leakage performance of a rotating gas turbine seal", Journal of Mechanical Science and Technology (Springer), 29 (6) (2015) 2535-2545.
• Madhavan S., Rajeev Jain, C. Sujatha C, and A.S.Sekhar, “Experimental investigation on forced response of mistuned bladed disc rotor in an aero-engine” J. of IMEch, Part G, Aerospace, Vol. 229 (14), 2572-2588, 2015.
• Rino Nelson, N. Siva Prasad, A.S.Sekhar, “Effect of thermal loading on sealing behaviour of single and twin gasketed flange joint” Part E: Journal of Process Mechanical Engineering,. Vol 230(6), 464-473, 2016
• A.D.Anoop, A.S.Sekhar, M.Kamaraj, K.Gopinath "Numerical evaluation of subsurface stress field under elastohydrodynamic line contact for AISI 52100 bearing steel with retained austenite" Wear, 330-331(2015) pp. 636–642.
• A.D. Anoop, A.S.Sekhar, M. Kamaraj and K. Gopinath, “Modeling the Mechanical Behavior of Heat Treated AISI 52100 Bearing Steel with Retained Austenite Journal” Proceedings of IMechE, Part L: Materials-Design and Applications, Volume: 232 (1) pp. 44-57, 2018.
• P.Srikanth and A.S.Sekhar, "Wind turbine drive train dynamic characterization through Vibration and Torque signals, Mechanism and Machine Theory, Volume 98, April 2016, Pages 2-20.
• N. Harish Chandra and A.S.Sekhar, “Fault detection in rotor bearing systems using time frequency techniques” Mechanical Systems and Signal Processing, , vol.72, 105-133, 2016.
• R. Srinath, A. Sarkar and A.S.Sekhar, “Instability of asymmetric shaft system ” Journal of Sound and Vibration, 362 : 276-291, 2016.
• Sivakumar Subramanian, A.S.Sekhar and B.V.S.S.S. Prasad, " Rotor dynamic characteristics of rotating labyrinth gas turbine seal with centrifugal growth” Tribology International, V.97, 349-359, 2016.
• N. Harish Chandra and A.S.Sekhar, “Estimation of nonlinear damping in rotor bearing systems using wavelet transform” , Mechanism and Machine Theory, V.100, pp. 170-183, 2016.
• Sivakumar Subramanian, A.S.Sekhar and B.V.S.S.S. Prasad, "Assessment of Analytical Predictions for Radial growth of Rotating Labyrinth Seal," International Journal of Turbo & Jet Engines, 35(3):265–279, August 2018
• R. Srinath, A. Sarkar and A.S.Sekhar, “Instability of asymmetric continuous shaft system ” Journal of Sound and Vibration, 383, 397-413, 2016.
• Sivakumar Subramanian, A.S.Sekhar and B.V.S.S.S. Prasad, “Rotordynamic characterization of rotating labyrinth gas turbine seal with radial growth - Combined centrifugal/thermal effects”, International Journal of Mechanical Sciences, April, 2017, V. 123, PP. 1-19.
• Rino Nelson, N. Siva Prasad, A.S.Sekhar, “Studies on Joint Strength and Sealing Behavior in Single and Twin Gasketed Flange Joints” Part E: Journal of Process Mechanical Engineering, 2018, Volume: 232 issue: 4, page(s): 480-492.
• Rino Nelson, N. Siva Prasad, A.S.Sekhar, “A study on the behaviour of single and twin gasketed joint under external bending load” ASME Journal of Pressure Vessel Technology, 2017, J. Pressure Vessel Technol. 2017;139(5):051204-051204-8 .
• Vyankatesh A., Uday G., Shrikant T., Dipanand B., Sanjay H., Suraj M., Pranav D., A.S.Sekhar “Innovative Design of Toothbrush by using Product Design Principles”, International Conference on Design and Manufacturing, IITDM, Dec. 16-17, 2016 and in the Int. Journal of Engineering Science and Technology, Vol. 9 (09s), 90-96 (2017).
• Sagi Rathna Prasad and A.S.Sekhar, “Life Estimation Of Shafts Using Vibration Based Fatigue Analysis” Journal of Mechanical Science and Technology (Springer), 32 (9) (2018) 4071-4078
• N. Harish Chandra and A.S.Sekhar, “Wavelet Transform Based Estimation of Modal Parameters of Rotors during Operation” Measurement, vol.130, 264-278, 2018.
• N. Harish Chandra and A.S.Sekhar, “Hilbert Transform based FRF estimation from run-up response of rotors" Journal of Mechanical Engineering Science, IMech.E Part C, 232 (12), pp.2200-2210.2018.
• Pavani Udatha, A.S.Sekhar, and Velmurugan R., (2018), “The Effect of CNT to Enhance the Dynamic Properties of Hybrid Composite Tube Shafts”, Mechanics of Advanced Materials and Structures (taylor& Fracis), accepted - 10.1080/15376494.2018.1534172.
• B Narasimha Rao and A.S.Sekhar, 2018, "Analysis of Magneto Rheological Fluid Journal Bearing", Journal of Applied Mechanics and Materials ( in print)
• S. Soorajkrishna, A.S.Sekhar and K. Shankar, 2019, "Multi-objective Optimization of rotor-bearing systems with an investigation of Goal Programming approach", Journal of Mechanical Engg. Science, I. Mech, Part C, https://doi.org/10.1177/0954406218811999. Vol. 233(12) 4270–4287.
• Sreedhar Babu G, A.S.Sekhar and Lingamurthy, 2019, "Diagnostics of actuation system by Hadamard product of integrated motor current residuals applied to electro-mechanical actuators", Int. J. of Prognostics and Health management, Vol 10(1), 022, Pages 14, 2019.
• Sagi Rathna Prasad and A.S.Sekhar, 2020 “ Detection and localization of fatigue-induced transverse crack in a rotor shaft using principal component analysis” July, 2020, Structural Health Monitoring https://doi.org/10.1177/1475921720933581.
• Mukesh Chandra, P.Srikanth and A.S.Sekhar , 2020, " Dynamic Characterization of Wind Turbine Drive Train: Aerodynamic Torque Vs Combined Loading " , International Journal of Mechanical and Production Engineering (IJMPE) , pp. 16-21, Volume-8,Issue-6.

Following papers Published/accepted but Journals are discontinued

• A.S.Sekhar and B.S.Prabhu, " Condition Monitoring of Cracked rotors- A comparative study of fluid film bearing supports'' J. Machine Vibration, V.3, 1995, pp. 225-232.
• A.S.Sekhar and A.Sreenivasa Rao, " Crack Versus Misalignment in Rotor-coupling-Bearing System'' J. Machine Vibration, V.5, 1996, pp. 179-188.
• Alwan, A.S.Sekhar and R. Velmurugan, “Dynamic characterization of hybrid composite shafts using glass and carbon fiber materials”, International Journal of Aerospace and Lightweight Structures (IJALS)-2015.

International Conferences / Symposia

• B.S.Prabhu and A.S.Sekhar, “ Analysis of a cracked Jeffcott rotor on hydrodynamic journal bearings'' 8th IFToMM World Congress proceedings, Prague, Aug. 1991, Vol. 3, p. 763.
• A.S.Sekhar and B.S.Prabhu, " Dynamic Analysis of Cracked shafts using Finite Element Method'' , proceedings of the Ist Int. Congress on Computational Methods in Engineering, Shiraz, Iran, May, 1993, V.3, pp.27-34.
• A.S.Sekhar and B.S.Prabhu, " Unbalance response of rotors considering the effects of the distributed bearing stiffness and damping'' , - Paper no. 94-GT-128, 39th ASME International Gas Turbine & Aero engine and Exposition, Hague, Netherlands, June, 1994.
• A.S.Sekhar and B.S.Prabhu, " Condition Monitoring of Cracked rotors- A comparative study of fluid film bearing supports'' , Proceedings of Int. conf. on Vibration and Noise, Venice, April, 1995, Session 6a.
• A.S.Sekhar and B.S.Prabhu, " Condition Monitoring of Cracked rotors through Transient response'' , Int.conf. on Advances in Mechanical Engg. (ICAME), Bangalore, Dec. 1995, Narosa publishing House, New Delhi, 1996,pp. 1097-1111.
• Sreenivasa Rao and A.S.Sekhar, " Vibration Analysis of Rotor-coupling Bearing System with Misaligned shafts'' - Paper no. 96-GT-12, 41 ASME International Gas Turbine & Aeroengine congress and Exhibition, Birmingham, UK, June 10-12, 1996.
• Ram Turaga, A.S.Sekhar, and B.C.Majumdar, "Stochastic FEM Analysis of Finite Hydrodynamic Bearings with rough Surfaces'' , ASME-STLE Tribology Conference, San Francisco, Oct.13-17, 1996.
• Ram Turaga, A.S.Sekhar, and B.C.Majumdar, " Linear Stability analysis of a rigid rotor supported on Journal Bearings with rough Surfaces using Stochastic FEM'' , First World Tribology conference, London, Sept.8-12, 1997.
• A.S.Sekhar and P.Balaji Prasad, " Crack identification in a Cantilever beam using coupled response measurements'' ASME-ASIA'97, Singapore, Sept 30-Oct 2, 1997, paper No. 97-AA-025.
• A.S.Sekhar and Shirish M. Kerur, " Vibration Control of a flexible Rotor System with Magnetic Bearing'' , Vibration, Noise and Structural Dynamics, 99,Italy, April 1999, Paper no. 40.
• A.S.Sekhar and N. Ravi Kumar, " Vibrational Characteristics of Composite Shafts'' , 17th Biennial ASME Vibrations Conference, Las Vegas, Nevada, 12-15 September, 1999, DETC99/VIB-8277.
• A.S.Sekhar and Shirish M. Kerur, " Optimum placement of Squeeze film damper for vibration control of a Flexible Rotor - Bearing System '' , Proceedings of ASIA-PACIFIC Vibration' 99 conference, 13-15 December, 1999, Orchard Hotel, Singapore, V1, pp. 495-498.
• R. Platz, R. Markert, J.Jayesh and A.S.Sekhar " Model based Unbalance and Fatigue crack identification in rotor systems’’, Proceedings of EUROMECH Colloquium 437, Identification and Updating Methods of Mechanical Structures, June 19-21,2002, Institute of Thermomechanics AS CR, Prague, Czech Republic , p. 41.
• A.S.Sekhar, R. Platz and R. Markert " Model based crack identification and monitoring in a rotor system passing the critical speed, Proceedings of First European Workshop on Structural Health Monitoring (SHM 2002), Paris, July 10-12, 2002 , p. 877.
• A.S.Sekhar " Identification of coupling misalignment in a rotor-coupling-bearing system” Proceedings of 4th International Workshop on Structural Health Monitoring (SHM 2003), Standford, USA, Sept. 15-17, 2003, pp. 1374-1383.
• T. Ramesh Babu and A.S.Sekhar, “Identification of two cracks in a rotor-bearing system” 4th International Conference on Theoretical Applied Computational and Experimental Mechanics (ICTACEM), 27-29 December, 2007, IIT Kharagpur., pp. 575-577.
• R.K. Sharma, C. Sujatha, A.S.Sekhar, “Gear Fault Diagnosis by Wavelet Packet Decomposition”, International Conference ICTACEM 2007, at IIT Kharagpur, December 27-29, 2007, pp. 411-413.
• A.S.Sekhar “ Shaft crack identification in a rotor system- recent trends” Colloquium for Humboldt Alumni in the Engineering Sciences in India, 31 Oct- 2 Nov. 2008.
• Niranjana Behera and A.S.Sekhar, “Effect Of Labyrinth Seals on Rotordynamics” Proc. Int. Conerence on Vibration Problems (ICoVP), p.47, IIT Kharagpur, January 19-22, 2009.
• GNDS Sudhakar and A.S.Sekhar, “Rotor crack identification using modified operating deflection shapes” IUTAM symposium on Rotor dynamics, March 23-26, 2009, available in CD – Paper No. 37.
• Sreedhar babu, G., A.S.Sekhar, and Lingamurthy, A., “ Condition monitoring of BLDC motor based Electromechanical linear actuators”, 16th Int. congress on Sound and Vibration, 5-9 July, 2009, Krakow, Poland - paper 683.
• Ankit Gupta, A.S.Sekhar and R. Velmurugan, “ Damping estimation and Dynamics of a composite shaft- rotor system”, 16th Int. congress on Sound and Vibration, 5-9 July, 2009, Krakow, Poland – paper 679.
• Kuldeep Singh and A.S.Sekhar “Design of Portable Cell Phone Charger for Commuters” Proc. Of International Conference NPDC 09, IIT Madras, 17-19 December 2009, p.266.
• GNDS Sudhakar and A.S.Sekhar, “Model based shaft crack identification in rotating machinery” ASME Turbo Expo 2010, Glasgow, Scotland UK., June 14-18, 2010 – CD proceedings .
• GNDS Sudhakar and A.S.Sekhar, “Fault Identification In Rotor Systems Using Vibration Minimization” Proc. of International Conference on Vibration Engineering & Technology of Machinery (VETOMAC-VI), December 13-15, 2010, IIT Delhi, pp. 31-38.
• M.B.Deepthikumar, A.S.Sekhar and M.R.Srikanthan, “Modal Balancing of Flexible Rotors with Distributed Unbalance ” Proc. of International Conference on Vibration Engineering & Technology of Machinery (VETOMAC-VI) December 13-15, 2010, IIT Delhi, pp. 441-448.
• V. Alwan, A.S.Sekhar and R. Velmurugan, “Dynamic Analysis and Damage Studies on non-rotating composite shafts” Proc. of International Conference on Theoretical Applied Computational and Experimental Mechanics (ICTACEM), December, 2010, IIT Kharagpur, pp. 543-545.
• M. Chandra Sekhar Reddy A.S.Sekhar Unbalance Severity Identification in Rotor Bearing Systems using Neural Networks”, Proc. of International Conference on Theoretical Applied Computational and Experimental Mechanics (ICTACEM), December, 2010, IIT Kharagpur, pp. 779-781.
• K.Saravanan and A.S.Sekhar “ Identification of crack in rotating machinery using Rotational Laser Vibrometer ” Proc. of Int. Conf. On Condition monitoring (ICCM-2011), Feb 24-25, 2011, GITAM Visakhapatnam, pp. 45-50.
• M. Chandra Sekhar Reddy and A.S.Sekhar “Combined model based and neural networks approach for condition monitoring of rotors, Proc. Int. Conf. On Condition monitoring (ICCM-2011), Feb 24-25, 2011, GITAM Visakhapatnam, pp. 329-334.
• K.Saravanan and A.S.Sekhar , “Vibration Based Statistical Features For Shaft Crack Detection in a Rotor ” Proc. of International Conference on Vibration Engineering & Technology of Machinery (VETOMAC-VII), November 21 to 24, 2011, Shanghai, China.
• N. Harish Chandra and A.S.Sekhar, “Damage Identification and quantification in structures using wavelet analysis, Malaysia, ICNVC, Nov 26-28, 2012.
• A.S.Sekhar and N.Harish Chandra,” Detection of damage in rotors using wavelets of displacement and strain energy based modal parameters,” Int. Congress on Computational mechanics and Simulation (ICCMS) IIT H, Dec. 10-12, 2012.
• P. Pravimal Abhishek, A.S.Sekhar and K. Srinivasa Reddy, “ Design of a Support Structure and Mechanism for Automated Tracking of Solar PV Power Plant”, ICORD-13, Jan 9-12, 2013, IIT Madras.
• Sivakumar Subramanian, A.S.Sekhar and B.V.S.S.S. Prasad, "Performance Analysis of a Rotating Labyrinth Seal with Radial Growth”, Turbine Technical Conference and Exposition, ASME Turbo Expo 2013, GT2013-95708, June 3-7, 2013, San Antonio, Texas, USA.
• P.Srikanth, A.S.Sekhar, "Dynamic analysis of fixed speed wind turbine drive train", International congress on sound and vibration (ICSV20), Bangkok, Thailand, 7-11 July 2013.
• S. Madhavan, Rajeev Jain, C. Sujatha and A.S.Sekhar, “Condition Monitoring of Turbine Rotor Blade on a Gas Turbine Engine”, Proceedings of the 20th International Congress on Sound and Vibration, Bangkok, 7 to 11 July 2013.
• N. Harish Chandra and A.S.Sekhar, Damping Estimation in Rotor bearing systems: Comparison of conventional and time-frequency techniques, 20th International conference on sound and vibration (ICSV), Bangkok, 7-11, July 2013.
• V. Alwan, A.S.Sekhar and R. Velmurugan, “ Unbalance response behavior of glass/epoxy, carbon/epoxy and hybrid composite shafts” 20th International conference on sound and vibration (ICSV), Bangkok, 7-11, July 2013.
• Madhavan S, Sankar Kumar J, Rajeev Jain, Sujatha Chandramohan and A.S.Sekhar, “ Flutter and Forced Response Vibration Characteristics of a Turbo Fan Bladed Disk”, GT INDIA- 3574, Proceedings of the ASME 2013 Gas Turbine India Conference, Bengaluru, 5 to 6 Dec. 2013.
• S. Madhavan, Rajeev Jain, C. Sujatha and A.S.Sekhar, “Vibration Behaviour of Turbine Rotor with Directionally Solidified and Equiaxed Materials”, Paper No. SD-20, Proceedings of the International Conference on Computer Engineering Design 2013, IIT Madras, Chennai, 19 to 21 Dec. 2013.
• Rino Nelson N, N. Siva Prasad, A.S.Sekhar, “Finite element analysis of gasketed flange joints with twin gasket” United States National Congress on Computational Mechanics (USNCCM 12), July 22-25, 2013, USA.
• Sivakumar Subramanian, A.S.Sekhar and B.V.S.S.S. Prasad, "Influence Of Location On Leakage Performance Of A Rotating Labyrinth Gas Turbine Seal With Radial Growth”, 15th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, ISROMAC-15, February 24 - 28, 2014, Honolulu, HI, USA, Paper No. 232.
• N. Harish Chandra and A.S.Sekhar, “ Detection and monitoring of shaft misalignment in rotors using Hilbert Huang Transform”, ASME Turbo Expo 2014, Dusseldorf, Germany, 16-20 June, 2014.
• Sudhakar G, Praveen Krishna IR, A.S.Sekhar, “ Dynamic Analysis of Rotors Supported On Journal Bearings by Solving Reynolds Equation Using Pseudospectral Method, 9th International Conference on Rotor dynamics (IFTOMM), Milan, Italy, Sept 22-25, 2014.
• R. Srinath, A. Sarkar and A.S.Sekhar, “Parametrically excited vibration in rolling element bearings" INTER-NOISE and NOISE-CON Congress and Conference Proceedings. Vol. 249. No. 5. Institute of Noise Control Engineering, 2014.
• R.Mohan, A.Sarkar, and A.S.Sekhar, “ Turbine Blade vibrations” V. 249(5) INTERNOISE, VAustralia, Nov. 2014.
• P. Srikanth and A.S.Sekhar, “Effect of gear tooth breakage on the dynamic response in a wind turbine drive train subjected to stochastic load excitation”, 9th International Conference on Rotor dynamics (IFTOMM), Milan, Italy, Sept 22-25, 2014.
• V.Alwan, A.S.Sekhar and R. Velmurugan, “ Influence of Thickness on Dynamic Characteristics of Glass and Carbon/epoxy composite shafts” International Conference on Polymer Composites -2014, NIT Surathkal, 19-20 Dec 2014.
• Sivakumar Subramanian, A.S.Sekhar and B.V.S.S.S. Prasad, “Computational prediction of rotordynamic coefficients for a rotating labyrinth gas turbine seal with centrifugal growth”, 6th Int. Conf. on Theoretical, Applied, Computational and Experimental Mechanics, ICTACEM 2014, Dec. 29-31, 2014, IIT Kharagpur, paper no. 317.
• Rino Nelson N, N. Siva Prasad, A.S.Sekhar, “Finite element analysis of flange joint with single and twin gaskets under external bending load” Paper: PVP2015-45492, ASME Pressure Vessel and Piping conference, Boston, USA, July 19-23,2015.
• Sivakumar Subramanian, A.S.Sekhar and B.V.S.S.S. Prasad, "Influence of centrifugal growth on the rotor dynamic stability of a rotating labyrinth seal”, The 22nd International Congress on Sound and Vibration, ICSV22, July 12-16, 2015, Florence, Italy.
• Rathna Prasad Sagi and A.S.Sekhar Sagi, Damage detection in rotors using wavelet analysis of operational Deflection shapes The 22nd International Congress on Sound and Vibration, ICSV22, July 12-16, 2015, Florence, Italy.
• Subramanian, S., A.S.Sekhar, and B.V.S.S.S. Prasad, 2015,“Thermal influences on rotordynamic coefficients of a rotating gas turbine seal”, 5th International Conference on Advances in Energy Research, ICAER 2015, Paper id: 328, December 15-17, IIT Bombay, India.
• N. Rino Nelson, N. Siva Prasad, A.S.Sekhar, “Analysis of bolts in flange joints under internal pressure and thermal loads using finite element method” presented in International Conference on Computer Aided Engineering (CAE 2015), December 10-12, 2015, Hyderabad.
• N. Rino Nelson, N. Siva Prasad, A.S.Sekhar, “Thermal behavior of gasketed flange joint with single and twin gaskets under external axial and bending loads”, 11th International Congress on Thermal Stresses 2016 (THERMAL STRESS 2016), June 5–9, 2016, Salerno, Italy (Accepted).
• N. Rino Nelson, N. Siva Prasad, A.S.Sekhar, “Micromechanical modelling of spiral wound gasket under uniaxial compression” 6th International Congress on Computational Mechanics and Simulation (ICCMS2016), 27th June – 1st July 2016, IIT Bombay, ( Accepted).
• Subramanian, S., A.S.Sekhar, and B.V.S.S.S. Prasad, 2015,“ Numerical Investigations of Flow Structure in a Rotating Labyrinth Gas Turbine Seal with Centrifugal Growth” Proceedings of the Asian Congress on Gas Turbines (ACGT-2016), November 14 – 16, 2016, IIT Bombay, India.
• Rino Nelson N, N. Siva Prasad, A.S.Sekhar, “ Influence of loading rate on deformation behaviour and sealing performance of spiral wound gasket in flange joint”, 2nd International Conference on Mechanical, Manufacturing and Process Plant Engineering, Kuala Lumpur, Malaysia, 23-24 November 2016.
• G.Sreedhar Babu, Lokeshwaran Kandaswamy, A.Lingamurthy and A.S.Sekhar (2017) “New Methodology for testing flight actuators in aiding loads catering for large prognosis data needs”, 11th International Workshop on Structural Health Monitoring, Stanford University, Stanford CA 94305, Accn: IWSHM-2017-342, p664-675)
• P. Srikanth and A.S.Sekhar , “Fault diagnosis in epicyclic gearbox of wind turbine drive train’ Paper No. 212, proceedings of the 14 Int. Conf. on Vibration Engineering and Technology of Machinery (VETOMAC XIV) held at Instituto Superior Técnico of the University of Lisbon, Portugal, Sept 10-13, 2018.
• Rathna Prasad Sagi and A.S.Sekhar, Identification Of Shaft Fatigue Crack Through Hybrid Statistical Features Paper No. 210, proceedings of the 14 Int. Conf. on Vibration Engineering and Technology of Machinery (VETOMAC XIV) held at Instituto Superior Técnico of the University of Lisbon, Portugal, Sept 10-13, 2018.
• Balaji Sankar, Sekhar A S and Jana Soumendu, “ Vibration characteristics of a thrust plate supported on active magnetic bearing Paper No. 217, proceedings of the 14 Int. Conf. on Vibration Engineering and Technology of Machinery (VETOMAC XIV) held at Instituto Superior Técnico of the University of Lisbon, Portugal, Sept 10-13, 2018.
• Gayatri, CH V H and A.S.Sekhar, Gear tooth crack detection in a wind turbine drive train, paper no. 661, proceedings of ISMA Conference on Noise and Vibration Engineering Leuven, Belgium, 17-19 September 2018.
• Balaji Sankar, A.S.Sekhar, and S Jana, 2018, " Design and Feasibility Study of Magnetic Bearing Supported Flywheel Energy Storage System ", Proc. International conference on Green Trends in Mechanical Sciences, 3-5, October-2018 ( GTMES_64).
• Rathna Prasad Sagi and A.S.Sekhar, “Diagnostics Of Fatigue Crack In The Shaft Using Spectral Kurtosis”, paper Number: GT2019-90373, accepted and to be presented at the ASME, Turbo expo-2019, Phoenix convention Center, Phoenix, AZ, June 17 – 21, 2019.
• Pavani Udatha, Sekhar A. S, and Velmurugan R., (2019), “Dynamic analysis of composite tube shafts using modified EMBT formulations including deformation along the thickness directions”, Proc. ICCS22&CCCS1, 31Oct-3 Nov. 2019, Wuhan, China.

National Conferences / Symposia

• A.S.Sekhar and B.S.Prabhu, “Dynamic Analysis of a Cracked rotor with Application to Turbomachinery'' , proceedings of National conf. on Air Breathing Engines and Aerospace Propulsion, Bangalore, Dec. 1992, pp. 180-183.
• A.S.Sekhar and B.S.Prabhu, " Rotor Crack detection and Monitoring through Vibration Characteristics'' proceedings of the 8th ISME conf. on Mech.l Engg., IIT, Delhi, March 1993, pp. 363-368.
• A.S.Sekhar and B.S.Prabhu, " Vibration Severity of cracked rotor supported on fluid film bearings'' proceedings of X National conf. on Industrial Tribology, Dehradun, March 1993, Recent Advances in Tribology, Tata McGraw Hill, New Delhi, Vol.1, pp. 81-86.
• A.S.Sekhar and B.S.Prabhu, " Analysis of a cracked rotor supported on fluid film bearings with special reference to parametric instability'' proceedings of National conf. on Design of Mechanical systems (Nacomm), IIT, Kharagpur, Dec. 1993, pp.37-42.
• A.S.Sekhar and B.S.Prabhu, " Dynamic Analysis of an Industrial rotor- a case study'' proceedings of National conf. on Design of Mechanical systems (Nacomm), IIT, Kharagpur, Dec. 1993, pp.43-52.
• A.S.Sekhar " Vibration Characteristics of Cracked rotors with Distributed bearing stiffness and damping'' proceedings of National conf. on Air Breathing Engines and Aerospace Propulsion, VSSC, ISRO, Thiruvananthapuram, Dec. 1994, pp. 765-771.
• B.V.S.S.S.Prasad, A.S.Sekhar and T.Chandrasekhar " Flow induced vibration of heat exchanger tubes with non-circular cross section'' , Symposium on Heat Exchangers, IGCAR, Kalpakkam, Feb. 14-16, 1996, paper no. 51, pp. X1.3-1 -- X1.3-6.
• A.S.Sekhar and P.Balaji Prasad, " Vibration Analysis of a Rotor with Multiple cracks'' , Proceedings of 8th National conf. on Design of Mech. systems (Nacomm), IIT, Kanpur, Dec. 1997, pp. C1 - C7.
• A.S.Sekhar " Application of Finite Element Techniques to rotor bearing systems '' proceedings of National Symposium on Dynamics- Finite Element Analysis in Industry, Recent Trends (NASDYN 98), IIT, Madras, August 7, 1998, Tata McGraw Hill, pp.77-84.
• A.S.Sekhar and Anjini Kumar, " Vibration control of a Grinder rotor using Active magnetic bearing'' proceedings of the 18th AIMTDR conference IIT, Kharagpur, Dec.21-23, 1998, pp. 44-47.
• S. Prabhakar, A.S.Sekhar and A.R. Mohanty, " Analysis of rotors with slant cracks in the shaft’’ proceedings of the NacoMM, IIT, Bombay, Dec., 1999, pp.29-40.
• S. Prabhakar, A.S.Sekhar and A.R. Mohanty, " Detection and monitoring of cracks in a rotor-bearing system:_State-of - the art-techniques'' Proc.of NacoMM, IIT, Kharagpur, Dec., 2001, pp. 473-480.
• A.S.Sekhar " New trends in shaft crack detection” proceedings of National Symposium on Rotor dynamics (NSRD 2003), IIT, Guwahati, Dec. 15-17, 2003.
• A.S.Sekhar and Debraj Sarangi, " On-line balancing of rotors” proceedings of NacoMM-2003, IIT, Delhi, December 18-19, 2003, 437-443.
• S. Srikanth, T. Ramesh Babu and A.S.Sekhar, “Vibration behaviour of a cracked transient rotor” GE Conference (DREAMS-07), 12th March, 2007, JFWTC-Bangalore.
• T. Ramesh Babu and A.S.Sekhar, “A New Diagnostic Technique For Crack Detection: Fracture Mechanics Approach” National Conference for Research Scholars in Mechanical Engineering (NCRSME-07), 23-24 March, 2007, paper no. 32, IIT Kanpur.
• T. Ramesh Babu and A.S.Sekhar, “Shaft Crack Identification using Artificial Neural Networks and Wavelet Transform data of a Transient Rotor” Proc. of13th National Conference on Machines and Mechanisms (NACOMM-07), 12-13 December, 2007,pp. 327-331, IISc Bangalore.
• K.Saravanan and A.S.Sekhar “ Vibrations of composite material beam and shaft- Laser Vibrometer Vs Accelerometer ” NACOMM-09, 17-18 December, 2009, NIT, Durgapur, pp.360-365, paper code: DVAMAS16.
• Ankit Gupta, V. Alwan, A.S.Sekhar and R. Velmurugan, “Vibrations Analysis of shafts of composite materials”, Proc. Of the National Seminar on Aerospace Structures (NASAS), November 19-20, 2009 , IIT Bombay , P. 48.
• V.Alwan, R Velmurugan, A.S.Sekhar ” Mechanical characterization and DMA studies of carbon/epoxy composites” Proc. Of ISAMPE National Conference on Composites (INCCOM-8), Thiruvananthapuram, Dec. 4-5, 2009, pp 376-384.
• M. Chandra Sekhar Reddy and A.S.Sekhar “Identification of Unbalance and Looseness in Rotor Bearing Systems using Neural Networks” 15th National Conference on Machines and Mechanisms (NaCoMM 2011), IIT Madras, Non.30-Dec. 2011 Narosa Publishers, pp. 301-308.
• N.Harish Chandra and A.S.Sekhar, “Vibration based fatigue damage assessment of cantilever beams,” 15th National Conference on Machines and Mechanisms (NaCoMM 2011), IIT Madras, Non.30-Dec. 2011 Narosa Publishers, pp 291-300.
• R. Srinath and A.S.Sekhar, “Rotor Dynamics Prediction using scaled models,” Proceedings of the National Symposium on Rotor Dynamics (NSRD-2011)”, IIT Madras, 19-21, December 2011, pp. 35-43, Published by Macmillan Publishers India Ltd., New Delhi. --- ISBN 978-935-059-056-0.
• G. Sreedhar babu, N.V.N.Rao Pasalapudi, Bhaskar M.R and A.S.Sekhar, Condition Monitoring Of Electro-Mechanical Actuation System Based On Acoustic Noise Studies” National Conference on Condition Monitoring (NCCM 2013), October 4-5, 2013, p76-85, IISc Bangalore.
• P. Srikanth and A.S.Sekhar “ Monte Carlo based vibration analysis of wind turbine drive train subjected to nonstationary wind excitation”, Feb. 12-14, NSRD-2014, Bangalore.
• V.Alwan, A.S.Sekhar and R Velmurugan, “Dynamics of Nano composite Tube shafts”, Feb. 12-14, NSRD-2014, Bangalore.
• A.S.Sekhar and N.Harish Chandra, “Estimation of Damping in rotor bearing systems”, Feb. 12-14, NSRD-2014, Bangalore.
• Sivakumar Subramanian, A.S.Sekhar and B.V.S.S.S. Prasad, "Leakage flow characteristics of a rotating labyrinth seal with radial growth", 40th National Conference on Fluid Mechanics and Fluid Power, FMFP-2013, Dec 12-14, 2013, NIT Hamirpur, INDIA.
• R. Srinath, A. Sarkar and A.S.Sekhar, “Parametric Vibrations in Rotating Shaft "National Symposium on Rotor Dynamics (NSRD–2016) on 7th to 9th January 2016, NIT Rourkela.
• A.S.Sekhar, “Dynamic Analysis of Wind Turbine Drive Train: Some Recent Studies” – Invited talk at National Symposium on Rotor Dynamics (NSRD–2016)” on 7th to 9th January 2016.
• Rathna Prasad and A.S.Sekhar, Fatigue crack detection in rotating shafts using vibration statistical parameters, Indian Conference on Applied Mechanics (INCAM) 2017, MNNIT Allahabad, 5-7th July 2017.
• Balaji Shankar, A.S.Sekhar and S. Jana, “ Modelling of Active magnetic bearings and their Synchronous signal suppression” presented at the National Symposium on Rotor Dynamics (NSRD-2017) at IIT Patna, 12-13 December 2017.
• Balaji Shankar, A.S.Sekhar and S. Jana, “Characterization of Digital Power Amplifier based Active Magnetic Bearings.” presented at the National Symposium on Rotor Dynamics (NSRD-2017) at NAL Bangalore, 2-3 July 2019.
• Rathna Prasad and A.S.Sekhar, Detection of fatigue crack in the shaft using Time-Frequency Analysis, presented at the National Symposium on Rotor Dynamics (NSRD-2017) at NAL Bangalore, 2-3 July 2019.
• Pavani Udatha, Sekhar A. S, and Velmurugan R., (2019), Dynamic Analysis of Three Dimensional Composite Tube Shafts, presented at the National Symposium on Rotor Dynamics (NSRD-2017) at NAL Bangalore, 2-3 July 2019.
• Vivek V Shet, A.S.Sekhar, B.V.S.S.S Prasad, Experimental Study of Temperature Effect on Labyrinth Seal Leakage and Vibration Characteristics of Rotor, presented at the National Symposium on Rotor Dynamics (NSRD-2017) at NAL Bangalore, 2-3 July 2019.