PublicationsJournals Application of Reissner method to a tapered, twisted, aerofoil cross section turbine blade mounted at a stagger on a rotating disc, Defence Science Journal, V.36, No.3,1986, p.273, J.S.Rao, N.S.Vyas. Blade damping measurements in a spin rig with nozzle excitation simulated by electromagnets, Shock And Vibration Bulletin, No.56, Pt.2, 1986, p.109 -- J. S. Rao, K. Gupta, N. S. Vyas. Equations of motion of a blade rotating with variable angular velocity, Journal of Sound and Vibration, 156(2), 1992, p.327, N.S.Vyas, J.S.Rao. Shock in rotor blades during speed changes, Journal of Sound and Vibration, 176(4), 1994, p.531, N.S.Vyas, J.S.Rao. Fatigue Life Estimation Procedure for a Turbine Blade Under Transient Loads, N.S. Vyas and J.S. Rao, Journal of Engineering for Gas Turbines and Power, Trans ASME, 1996, Vol 16, pp 198-206. Estimation of nonlinear stiffness parameters of rolling element bearings from random response of rotor bearing systems, Journal of Sound and Vibration, Vol.187, No.2, p.229, 1995, R.Tiwari, N.S.Vyas. Determination of blade stresses under constant speed and transient conditions with nonlinear damping, Journal of Engg. for Gas Turbines And Power, Trans.ASME, 1996, vol.118, No.2, pp 424-433, J.S.Rao, N.S.Vyas. Parameter estimation in imbalanced nonlinear rotor bearing systems from random response, Journal of Sound and Vibration, 208(1), 1997, p. 1-14, R.Tiwari, N.S.Vyas. Nonlinear bearing stiffness parameter extraction from random response in flexible rotor bearing systems, Journal of Sound and Vibration, 203(3), 1997, p.389-408, R.Tiwari, N.S.Vyas. Dynamic stress analysis and a fracture mechanics approach to life prediction of turbine blades, Mechanism and Machine Theory, Vol 32, No.4, 1997, pp.511-527, N.S.Vyas, Sidharth, J.S.Rao. Stiffness estimation from random response in multi-mass rotor bearing systems, Probabilistic Engineering Mechanics, Vol.13, No.4, 1998, pp.255-268, R.Tiwari, N.S.Vyas. Nonlinear Parameter Estimation using Volterra and Wiener Theories, Journal of Sound and Vibration, 221(5), 1999, pp.805-821, A.A. Khan, N.S.Vyas. Reconstruction of turbine blade forces from response data, Mechanism and Machine Theory, 2000, Vol 36(2), pp. 157-175, N. S. Vyas, A. L. Wicks. Artificial Neural Network Design for Fault Identification in a Rotor-Bearing System, Mechanism and Machine Theory, 2000, Vol 36(2), pp. 177-188, N.S.Vyas, D.Satishkumar. Nonlinear Bearing Stiffness Parameter Estimation in Flexible Rotor-Bearing Systems using Volterra and Wiener Approach, Probabilistic Engineering Mehanics, 2001, Vol.6 (2), pp. 137-157, A.A.Khan, N.S.Vyas. Application of Volterra and Wiener theories for Nonlinear Parameter Estimation in a Rotor-Bearing System, Nonlinear Dynamics, Vol. 24 No. 3 March 2001, pp.285-304, A.A.Khan, N.S.Vyas. Convergence Analysis of Volterra Series response of Nonlinear Systems subjected to Harmonic Excitation, Journal of Sound and Vibration, Vol. 236(2), pp. 339-358, 2000, Animesh Chatterjee and N.S.Vyas. Stiffness Nonlinearity Classification through Structured Response Component Analysis using Volterra Series, Mechanical Systems and Signal Processing, Vol. 15(2), pp. 323-336, 2001, Animesh Chatterjee and N.S.Vyas. Fault Identification in Rotating Machinery Using Neural Networks, Advances in Vibration Engineering, Vol.1, No.1, 2002, pp. 90-99, N.S.Vyas, N.Jain, S.Pandey. Nonlinear Parameter Estimation with Volterra Series using Method of Recursive Iteration through Harmonic Probing, Journal of Sound and Vibration, Vol. 268(4), pp. 657-678, 2003, Animesh Chatterjee and N.S.Vyas. Nonlinear parameter Estimation in Rotor bearing System using Volterra Series and Method of Harmonic Probing, ASME Journal of Vibration and Acoustics, Vol. 125 (3), pp. 299-306, , 2003, Animesh Chatterjee and N.S.Vyas. Parametric and Nonparametric Identification of Nonlinear Systems: A Survey, Advances in Vibration Engineering, Vol. 1(4), pp. 356-377, 2003, Animesh Chatterjee and N.S.Vyas. Nonlinear Parameter Estimation in Multi-Degree-of-Freedom Systems using Multi-Input Volterra Series”, Mechanical Systems and Signal Processing, Vol. 18(3), pp. 457-489, 2004, Animesh Chatterjee and N.S.Vyas. Nonlinear damping parameter estimation of van der Pol system using wavelet transform, Journal of Sound & Vibration, R K Porwal, N S. Vyas CT-based biomodeling of human foot, Chapter book: Mathematical Biology: Manak L. Jain, Sanjay G. Dhande, Nalinaksh S. Vyas; Recent trends, Peeyush Chandra and B. V. Rathish Kumar, 2006, pp. 163-167, Anamaya Publishers, New Delhi, India Damped quadratic and mixed-parity oscillator response using Krylov-Bogoliubov method and energy balance, R. Porwal, N.S. Vyas, Journal of Sound and Vibration, 309 (2007), 877-886. A virtual environment in the healthcare domain for the management of clubfoot deformity in newborn babies: a case study, Jain, M.L., Dhande, S.G. and Vyas N.S., (2008), International Journal of Healthcare Technology and Management, Vol. 9, No.2, pp. 136 – 142. Development of a cutting tool condition monitoring system for high speed turning operations by vibration and strain analysis, H.Chelladurai, V.K.Jain and N.S.Vyas, International Journal of Advanced Manufacturing Technology, Vol 37, (2008), 471-485. Biomodeling of clubfoot deformity of babies, Manak Jain, Sanjay Dhande, Nalinaksh Vyas, (2009), Rapid Prototyping Journal (Impact factor: 8), Volume 15, Issues 3, pp.164-170 A biomechanical control mechanism for correction of clubfoot deformity in babies, Manak Lal Jain, Sanjay Govind Dhande, Nalinaksh S. Vyas, (2009), Int. J. Biomechatronics and Biomedical Robotics, Vol. 1, No.1, pp. 51-56. Parametric study of suspension Elements for Ride index analysis of an Indian Railway freight Vehicle, International Journal of Vehicle Structures and Systems, Vol. 1(4), pp. 70-77, S. Shukla, R. Gupta, and N.S. Vyas, 2009. Stiffness nonlinearity classification using Morlet wavelet, R. Porwal, N.S. Vyas , Dynamical Systems: Discontinuous, Stochasticity and time delay, Chapter 23, A.C.J. Luo (ed.), Springer Science, 2010. Weight Reduction in an Indian Railway CASNUB Bogie Bolster Considering Fatigue Strength, International Journal of Vehicle Structures and Systems, Vol. 2(3), pp. 102-109, S. Shukla, R. Gupta, and N.S. Vyas, 2010. ANN based cutting tool condition monitoring system for high-speed turning operations, H.Chelladurai, V.K.Jain and N.S.Vyas, International Journal of Machining and Machinability of Materials, (2010) Vol. 8, No.1/2, pp. 87 - 113 Cutting tool condition monitoring system for high speed turning operations, H.Chelladurai, V.K.Jain and N.S.Vyas, International Journal of Manufacturing Technology and Management, Vol 21 (2010), 99-111. Virtual modeling of an ankle foot orthosis for correction of foot abnormality, Robotics and Computer-Integrated Manufacturing, 27 (2011) 257-260, Manak Lal Jain, Sanjay Govind Dhande, Nalinaksh S. Vyas, 2011. A study on the deviations of the jet with traverse speeds on different materials during pocket milling using Abrasive Water Jet Machining process, T V K Gupta, J Ramkumar, Puneet Tandon, N S Vyas, International Journal of Mechanics and Materials, Vol. 372 (2013) pp. 402-405. Role of process parameters on pocket milling with Abrasive Water Jet Machining technique, T V K Gupta, J Ramkumar, Puneet Tandon, N S Vyas, International Conference on Aerospace, Mechanical, Automotive and Materials Engineering, ICAMAME 2013, Oct.22-23, 2013, Dubai, UAE. Published in Word Academy of Science, Engineering and Technology, Issue 82, October, 2013, pp.1374-1379. Role of process parameters on pocket milling with Abrasive Water Jet Machining technique, T V K Gupta, J Ramkumar, Puneet Tandon, N S Vyas, International Journal of Mechanical Science & Engineering, VOL.7, No.10, 2013, pp:627-632. Computer Aided Diagnosis of Human Foot’s Bones, Jain, Manak, L., Dhande, Sanjay, G., Vyas, Nalinaksh S., International journal of Biomedical Engineering and Science (IJBES), Vol. 1, No. 1, April 2014, pp 17-26. Vibrational Discomfort and Motorcycle Health Assessment under Engine Excitation, Dalawai, Prashanth, Vyas, Nalinaksh, International Journal of Vehicle Noise and Vibration, 11, 3-4, pp 255-272 Dynamic response and stability of a spinning turbine blade subjected to pitching and yawing, Luintel, Mahesh Chandra and Vyas, N.S., International Journal of Dynamics and Control, Vol. 7, pp 7,pages1252–1277, 2019. Structural Integrity Analysis and Life Estimation of Gas Turbine Bladed Disc , Procedia Structural Integrity 17 (2019) 758–765, Shahnawz Ahmad , A. Suman, T. Sidharth, Ganesh Pawar, Vikas Kumar, N. S. Vyas Forced Vibrations of a Spring-Dashpot Mechanism with Dry Friction and Backlash, Yadav, O.P., Balaga, S.R. and Vyas, N.S., International Journal of Non-Linear Mechanics, Volume 124, 2020, 103500, ISSN 0020-7462. A Novel Application of Multi-Resonant Dissipative Elastic Metahousing for Bearings, Muhammad, Lim, C.W. and Vyas, N.S., Acta Mechanica Solida Sinica, Vol. 34, No. 4, August, 2021, 449–465. Stick-slips and jerks in an SDOF system with dry friction and clearance , Yadav, O.P. and Vyas, N.S., International Journal of Non-Linear Mechanics, Volume 137, 2021, 103790, ISSN 0020-7462. Single and Multi-label Fault Classification in rotors from unprocessed multi-sensor data through deep and parallel CNN architectures, Nikhil A. Sonkul, Gaurav S. Dhage, Nalinaksh S. Vyas, Expert Systems with Applications, Volume 185, 2021, 115565, ISSN 0957-4174. Rushabh Gadhave & N. S. Vyas (2021) Rail-wheel contact forces and track irregularity estimation from on-board accelerometer data, Vehicle System Dynamics, DOI: 10.1080/00423114.2021.1899253. Ravi Kumar, Tarun Sharma, Anand Shekhar, Nalinaksh S. Vyas (2022), Primary Suspension Failure Analysis in FIAT Type LHB Bogies and Life Estimation, Engineering Failure Analysis, Volume 138, August 2022, 106320. Influence of slack of automatic AAR couplers on longitudinal dynamics and jerk behaviour of rail vehicles , Yadav Om Prakash and Vyas Nalinaksh S., Vehicle System Dynamics, 2022 (08), Pages, 1-21, https://doi.org/10.1080/00423114.2022.2107546 Improved estimation of rail–wheel contact forces from instrumented wheel-set data through higher harmonic cancellation and a back-propagation neural network scheme, Onkar S. Ropalkar, Om Prakash Yadav, Chetan Zambare, Nalinaksh S. Vyas, Engineering Applications of Artificial Intelligence, Volume 119, 2023, 105811, ISSN 0952-1976, https://doi.org/10.1016/j.engappai.2022.105811.
ConferencesResponse of steam turbine blades subjected to distributed harmonic nozzle excitation, Proc. 3rd Intl. Modal Analysis Conference, 1984, p.618 -- J. S. Rao, N. S. Vyas. Analytical and experimental investigations on vibratory stresses of a turbine blade under NPF excitation, Proc.IFToMM Intl. Conf. Rotordynamics, 1986, p.289, J.S.Rao, K.Gupta, N.S.Vyas. Transient response of turbine blade, Proc.7th IFToMM World Cong,1987, p.289, N.S.Vyas, K.Gupta, J.S.Rao. On life estimation of turbine blading, Proc. IFToMM Technical Comm. on Rotordynamics, Seventh IFToMM World Congress, 1987 -- J. S. Rao, N.S.Vyas. Resonant stress calculation of a turbine blade with damping as a function of rotor speed and vibration amplitude, ASME 89-GT-27, J.S.Rao, N.S.Vyas. Transient stress response of a turbine blade under nonlinear damping effects, ASME 90-GT-269, J.S.Rao, N.S.Vyas. A fracture mechanics approach to life prediction of turbine blades, ASME 93-GT-406, N.S.Vyas, Sidharth. Pseudo Static excitation of turbine blades under acceleration, ASME Design Engineering Technical Conference, 1995, Vol. 3 - Part B, p.1193-1200-- N. S. Vyas. Nonlinear System Identification And Volterra Wiener Theories, Proc. VETOMAC-I, First International Conference on Vibration Engineering And Technology of Machinery, Bangalore, 2000, Invited Paper, IP09, N.S.Vyas, Animesh Chatterjee. Higher Order FRF and Parameter Estimation in Nonlinear Systems through Volterra and Wiener Theories, Proc. IMAC-XVIII International Modal Analysis Conference, 2000, Texas, paper no.307, N.S.Vyas, A.A.Khan. Nonlinear Parameter Estimation Using Volterra Series With Multi-Tone Excitation, Proc. IMAC-XX International Modal Analysis Conference, Los Angeles, 2002, pp 880-885, Animesh Chatterjee, N.S.Vyas Fault Identification in Rotor Bearing Systems through Back-Propagation and Probabilistic Neural Networks, Proc. IMAC-XX International Modal Analysis Conference, Los Angeles, 2002, pp 271-277, N.S.Vyas, D.K.Padhy. Surface Classification using ANN and Complex valued Neural Network, Proc. ICONIP 2002, Singapore, pp. 581-586, A. Prashant, P.K.Kalra, N.S.Vyas Classifying Words using Complex-Variable Based Neural Networks, A Prashanth, Prem Kalra and Nalinaksh Vyas, Proc. FSKD’02, 1st International Conference on Fuzzy Systems and Knowledge Discovery, 2002, Singapore, p. 581-585 Cutting tool condition monitoring system for high speed turning operations, H.Chelladurai, V.K.Jain and N.S.Vyas, First International and 22nd All India Machine tool Design and Research (AIMTDR) conference organized by IIT Roorkee, 23-26 Dec 2006.pp 439-444. Errors in Nonlinear System Parameter Estimation Using Wavelet Transform, R.Porwal, N.S. Vyas, IMAC- XXVI, Orlando, Florida, USA, February 2008 Nonlinear Damping Estimation of Self-Excited System Using Wavelet Transform, R. Porwal , N.S. Vyas , IMAC- XXVII, , Orlando, Florida, USA, February 2009. Preliminary study of clubfoot deformity in newborn babies using rapid prototype models, Jain, Manak, L.; Dhande, Sanjay, G.; Vyas, Nalinaksh, S; International congress of biomedical engineering (ICBME)-2002, Singapore Finite element analysis of clubfoot deformity in newborn baby, Jain, Manak, L.; Dhande, Sanjay, G.; Vyas, Nalinaksh, S; 3D modeling 2003, Paris, France Integration of CT and Rapid Prototyping to build biomodel of lower extremities, Jain, Manak, L.; Dhande, Sanjay, G.; Vyas, Nalinaksh, S., Workshop on computerized tomography for scientists and engineers, Feb 2004, IIT Kanpur Biomodeling and finite element analysis of clubfoot corrective procedures in new born babies, Jain, Manak, L.; Dhande, Sanjay, G.; Vyas, Nalinaksh, S; International conference on rapid prototyping and tooling, RPSI 2003, June 2003, Bangalore CT – based biomodelling of human foot, Jain, Manak, L.; Dhande, Sanjay, G.; Vyas, Nalinaksh, S., International conference on mathematical biology, February 19 to 21, 2004, IIT Kanpur, India Modeling Rail Wheel-Flat Dynamics, N S Vyas & Arvind Kumar Gupta, I World Congress on Engineering Asset Management, WCEAM 2006, Brisbane, Australia, 2006. What is Engineering Asset Management?, Amadi-Echendu, Joe, Willett, Roger, Brown, Kerry, Lee, Jay, Mathew,Joseph, Vyas, Nalinaksh, & Yang, Bo-Suk, (2007), In Gelman, L (Ed.) Proceedings of the 2nd World Congress on Engineering, Asset Management and the 4th International Conference on Condition, Monitoring, Coxmoor Publishing Company, CD Rom, pp. 116-129. Design and Performance of Neural Network Schemes for Diagnosis of Rotating Machinery Faults, N S Vyas, Proc. II World Congress on Engineering Asset Management WCEAM 2007, Yorkshire, UK, 2007. Non-Parameteric Identification of Rotor-Bearing System through Volterra-Wiener Theories, Proc., IUTAM Symposium on Emerging Trends in Rotor Dynamics, pp. 309-320,New Delhi, N.S.Vyas and Animesh Chatterjee, 2009. A study on the effect of process parameters in blind pocket milling using Abrasive Water Jet Machining, T V K Gupta, J Ram Kumar, N S Vyas, 6th International Conference on Precision, Meso, Micro and Nano Manufacturing (COPEN6), 11-12 Dec. 2009, PSG College of Engineering, Coimbatore, pp. B28-32 Design Improvements in an Indian Railway Three Piece Freight Bogie Frame Considering Fatigue Strength, 8th International Conference on Railway Bogies and Running Gears (BOGIE’10) Budapest, Hungary, September 13-16, 2010, S. Shukla, R. Gupta, and N.S. Vyas, 2010. Technology Development for Application in Indian Railways, N.S.Vyas and T.V.K. Gupta, 2010, 5th World Congress on Engineering Asset Management WCEAM & AGIC 2010, Brisbane, Australia, 25-27 October 2010. Feature Extraction based on Image Moments of Wavelet Transforms for Fault Diagnosis in Rotating Machinery, Saxena and N.S.Vyas, 2011, Proc. 24th International Congress on Condition Monitoring and Diagnostics Engineering Management (COMADEM), page 995-1010, Styavanger, Norway, May 30 – June 01, 2011. Life Estimation in Turbomachinery Blading, N.S.Vyas, 2011, Plenary Keynote Paper, Eighth International Conference on Condition Monitoring and Machinery Failure Prevention Technologies CM2011 / MFPT2011, Cardiff, UK, May 20 – 22, 2011 Structural Fault Detection Using Volterra Series and Multi-Tone Harmonic Probing, Nalinaksh S Vyas and Sharad Dwivedi, 2012, Nineth International Conference on Condition Monitoring and Machinery Failure Prevention Technologies CM2012 / MFPT2012, London, UK, June 11 - 13, 2012 Modelling for Ride Index and Derailment Criterion Calculation of Railway Passenger Coach under Track Irregularity Excitation, Nalinaksh S Vyas and Manoj Nayani, 2012, Proc. 24th International Congress on Condition Monitoring and Diagnostics Engineering Management (COMADEM), Huddersfield, UK, June 18 – 20, 2012. Dynamic Analysis of Multi-body Vehicle fitted with controlled limited-Slip differential using MSC.ADAMS/Car, Mohit Goel, Nalinaksh S.Vyas, 2012, International Congress of Theoretical and Applied Mechanics (ICTAM) 2012, Beijing, Aug.19-24, 2012. Rollover and Lateral Sliding Stability of Three Wheeled Vehicles, Tukesh Soni, Nalinaksh S.Vyas, 2012, International Congress of Theoretical and Applied Mechanics (ICTAM) 2012, Beijing, Aug.19-24, 2012. A Preliminary Investigation on the forces generated with process parameters during Abrasive Water Jet Milling on SS304, T V K Gupta, J Ram Kumar, Nalinaksh S Vyas, P Tandon, International Conference on Innovations in Design and Manufacturing (InnDeM 2012), PDPM IIITDM J, Dec.05-07, 2012 (paper No. 2032). Material removal rate prediction for blind pocket milling of SS304 using Abrasive Water Jet Machining Process, T V K Gupta, J Ramkumar, Nalinaksh S Vyas, Puneet Tandon, Proc. 2nd International Conference on Engineering and Applied Science (HKICEAS-2012), Dec. 14-16, 2012, Hong Kong, pp: 368-375 Influence of operating parameters on the dimensional accuracy of channels prepared on SS304 during Abrasive Water Jet Machining, T V K Gupta, J Ramkumar, Puneet Tandon, N S Vyas, Nov.15-21, 2013, ASME-IMECE 2013, San Diego, USA Role of process parameters on pocket milling with Abrasive Water Jet Machining technique, T V K Gupta, J Ramkumar, Puneet Tandon, N S Vyas, ICAMAME, Dubai, 22-23 Oct. 2013 State of the art on Abrasive Water Jet milling: Challenges ahead, T V K Gupta, J Ramkumar, Puneet Tandon, N S Vyas, (ICMMM, 2014, August 8-9, 2014, IIT Madras) Application of Grey Relational Analysis for geometrical characteristics in Abrasive Waterjet Milled Channels, T V K Gupta, J Ramkumar, Puneet Tandon, N S Vyas, (AIMTDR 2014, IITG) Application of Artificial Neural Networks on Abrasive Water Jet Milling, T V K Gupta, J Ramkumar, Puneet Tandon, N S Vyas, (NITH, Feb.2015). Rolling Radius Function Based Optimization of Rail-Wheel, Proceedings 10th International Conference on Railway Bogies and Running Gears Budapest, Hungary, September 12-15, 2016, pp 171-180, Kripalani, L. K., Vyas, N. S. Estimation of Rail Wheel Forces from Vehicle Acceleration Data using Artificial Neural Networks, Proceedings 11th International Conference on Railway Bogies and Running Gears Budapest, Hungary, September 9-12, 2019, Nalinaksh S Vyas, Manoj Nayani and Rohit Kumar Singh. Deep Learning Protocol for Condition Monitoring and Fault Identification in a Rotor-Bearing System from raw Time-Domain data, Nikhil Sonkul, Jasdeep Singh, Nalinaksh S. Vyas, Surveillance, Vishno and AVE conferences, INSA-Lyon, Université de Lyon, Jul 2019, Lyon, Franc, hal-02189262. A Dynamic Model for Polymer Draft Gears (accepted), Om Prakash Yadav, Nalinaksh S. Vyas, Proceedings of the XVI Vibration Engineering & Technology of Machinery Conference, VETOMAC 2021, Dec 16-18, 2021, Bengaluru, India.
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