Vibration analysis has proven to be one of the most effective tools for identifying mechanical and electrical faults within machinery. In today’s fast-paced competitive business world, manufacturers are seeking every competitive advantage they possibly can to increase their production and minimize costs while maintaining product quality. Vibration may influence the durability and reliability of mechanical systems or structures and cause problems such as damage, abnormal stopping, and disaster.

Vibration measurement is an important countermeasure to prevent these problems. The identification of defects within a machine, reducing equipment failures and unscheduled downtime is increasingly demanded of condition monitoring technologies.

This book provides a state of the art methods and guidelines for solving vibration problems in industrial plants and establishes their real-world practices through case histories. Most of the members of engineering structures operate under loading conditions, which may cause damages or cracks in overstressed zones. The presence of cracks in a structural member, such as a beam, causes local variations in stiffness, the magnitude of which mainly depends on the location and depth of the cracks. To avoid these disadvantages, in recent decades, researchers have focused on more efficient procedures in crack detection using vibration-based methods. Modelling of a crack is an important aspect of these methods. This book, therefore, opens with a chapter on vibration analysis of cracked beams using the finite element method. Next, an experimental approach to free vibration analysis of smart composite beam is presented. Now, the book takes a look on vibrations of cylindrical shells; finite element vibration analysis of carbon nanotubes; vibration analysis of aero-engine blisk structure based on a prestressed CMS super-element method; fault diagnosis of beam-like structure using modified fuzzy technique; adaptive torsional tuned vibration absorber for rotary equipment; and dynamic modal analysis of vertical machining center components.

The book in the last presents a study that focuses on how to use natural frequencies for the localization and quantification of cracks in beams. Due to mechanical vibration, environmental attack and semi-permanent service, etc, mechanical structures are also broken. Therefore, associate degree early detection of those defects looks crucial for safety and economic reasons, as their detection will considerably extend the lifetime of the structure that will increase its responsiveness at identical times. In recent years, many studies are given to sight the injury through the modification in dynamic, and static properties.

Focusing on applications and real-world practices, this book is suitable for upper-level undergraduates and engineers, serving as valuable for performing vibration calculations.


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