This book presents the select proceedings of 21st ISME conference on Advances in Mechanical Engineering. It covers the latest research and technological advancements in the area of machine design. Various topics covered in this volume are product design and development, CAD/CAE/FEM/modelling and simulation, fatigue, fracture and failure analysis, vibrations/ condition monitoring, rotor dynamics, multi-body dynamics, tribology, robotics and mechatronics, computational mechanics, sensors and actuators materials failure analysis, engineering optimization, machines and mechanisms, mechanics of composites, biomechanics and fracture mechanics. This book is useful for researchers and professionals working in the area of machine design and allied fields.