This book presents the proceedings of the XVI International Conference on Vibration Engineering and Technology of Machinery (VETOMAC 2021). It gathers the latest advances, innovations, and applications in the field of vibration and technology of machinery. Topics include concepts and methods in dynamics, dynamics of mechanical and structural systems, dynamics and control, condition monitoring, machinery and structural dynamics, rotor dynamics, experimental techniques, finite element model updating, industrial case studies, vibration control and energy harvesting, and MEMS. The contributions, which were selected through a rigorous international peer-review process, share exciting ideas that will spur novel research directions and foster new multidisciplinary collaborations. The book is useful for the researchers, engineers and professionals working in the area of vibration engineering and technology of machinery.

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Dr. Rajiv Tiwari is currently Professor in the Department of Mechanical Engineering, Indian Institute of Technology Guwahati since 1997. He worked in Regional Engineering College, Hamirpur (Himachal Pradesh), India, for a year during 1996-1997. He completed his Ph.D. from IIT Kanpur in the area of Rotor Dynamics in 1997. He worked as Research Officer for one year in 2001 in University of Wales, Swansea, UK, and as DAAD Fellow in Technical University of Darmstadt Germany in 2011 for two months. Dr. Rajiv Tiwari works in the area of rotor dynamics and design of rolling bearings. He has more than 250 papers in international journals and conferences. He has successfully organised national and international conferences and short-term courses in the area of vibrations and rotor dynamics. Dr. Rammohan Y S is currently Professor and Head of Aerospace Engineering Department at B. M. S. College of Engineering, Bengaluru, India. Before this he served as Professor in the Department of Mechanical Engineering at B. M. S. College of Engineering for over 25 years. He obtained his B.E. (Mechanical) and M.Tech. (Machine Design) from B. M. S. College of Engineering and Ph.D. from the Aerospace Department of Indian Institute of Technology-Madras, Chennai. His research areas of interests are fretting fatigue, finite element methods, composite materials, and functionally graded materials. He has published over 20 research papers in reputed international journals and proceedings. He was the reviewer for journals from ASME, Elsevier-Materials Today, and others. Prof. Ashish K Darpe is Postgraduate in Machine Design from Visvesvaraya National Institute of Technology, Nagpur. He did his doctoral research at the Indian Institute of Technology Delhi in the area of rotor dynamics. He is currently Professor in the Department of Mechanical Engineering, IIT Delhi. His research interests include NVH, rotor dynamics, condition monitoring, vibration, and noise control.

Dr. Ashish K Darpe is currently working as Professor of Mechanical Engineering at IIT Delhi. He obtained his Ph.D. in the area of Rotor Dynamics at IIT Delhi. He has been pursuing his research interests in the area of vibrations, rotor dynamics, machinery fault diagnosis and prognosis and noise control. He has published over 111 research articles and has supervised 12 Ph.D. theses. He has been the project investigator for various R&D and consultancy projects funded by defence R&D labs, private industry, and government funding agencies.

Dr. V. Arun Kumar, currently working as Chief Technology Menor, at Dheya Technologies Ltd., Bengaluru, and as Adjunct Professor in BMS College of Engineering, Bengaluru, has obtained his B.E. Mechanical Engineering, from Bangalore University, M.Sc. Engg. from Madras University, and Ph.D. from IIT, Madras. He worked in Propulsion Division, National Aerospace Laboratories for 34 years and retired as Director Grade Scientist / Head, Propulsion Division. His major areas of research interests include vibration reduction in rotating machineries, advanced bearing/dampers systems, etc. He has to his credits ten patents granted (another five under processing) and over 100 publications. He has received National Design award from NDRF in Mechanical Engineering and Biren Roy award from Aeronautical Society of India, apart from outstanding performance award from NAL.

Dr. Mayank Tiwari is currently Professor in the Department of Mechanical Engineering, Indian Institute of Technology Patna, since 2013. He worked in General Electric from 2001 to 2013 in the Global Research and Development Division and the Aviation Division in the John F Welch Technology Centre Bengaluru. He completed his Ph.D. from IIT Delhi in the area of nonlinear Rotor Dynamics in 1998 after which he worked as Postdoctoral Fellow in the Acoustic and Dynamics Laboratory of the Ohio State University USA. Dr. Mayank Tiwari works in the area of rotor dynamics and tribology. He has more than 30 papers in international journals and patents in USA, France, and India in the area of vacuum tribology, X-ray tube rotors, wind turbine gear box. Dr. Mayank Tiwari also has 2 design registrations in the India Patent Office.