Studies on Damped Vibration Absorbers

Vibration is occasionally "desirable". But, more often, vibration is undesirable, wasting energy and creating unwanted sound-noise. So, to use the desirable vibrations & to remove or to reduce undesirable vibrations, we need to study the vibrations. The aim of the project (in this book) is to investigate the use of a Vibration Absorber with viscoelastic damping to optimally control the vibration of a beam. A main beam, with fixed-fixed boundary condition is selected after an exhaustive literature study. The project tasks have been decomposed into optimum design & analysis and fabrication of vibration absorber with viscoelastic damping. The equations of motion of the system have been derived to find the vibration response with and without absorber for optimization. The Classical and Den Hartog optimization methods are used to optimize the parameter and optimum values are found out. The experiments are performed on main beam with absorbers having viscoelastic damping (unconstrained and constrained treatments), and the experimental values are compared with the theoretical values.

Auteur

Mr. Ajay Kumar Verma is working as Assistant Professor in Mechanical Engineering Department at SelaQui Academy of Higher Education (SAHE), Dehradun, India. His area of specialization are Mechanical Vibrations & Tribology. Now, He is pursuing his PhD in the area of tribology from National Institute of Technology, Kurukshetra, India.

Texte du rabat

Vibration is occasionally "desirable". But, more often, vibration is undesirable, wasting energy and creating unwanted sound-noise. So, to use the desirable vibrations & to remove or to reduce undesirable vibrations, we need to study the vibrations. The aim of the project (in this book) is to investigate the use of a Vibration Absorber with viscoelastic damping to optimally control the vibration of a beam. A main beam, with fixed-fixed boundary condition is selected after an exhaustive literature study. The project tasks have been decomposed into optimum design & analysis and fabrication of vibration absorber with viscoelastic damping. The equations of motion of the system have been derived to find the vibration response with and without absorber for optimization. The Classical and Den Hartog optimization methods are used to optimize the parameter and optimum values are found out. The experiments are performed on main beam with absorbers having viscoelastic damping (unconstrained and constrained treatments), and the experimental values are compared with the theoretical values.