Abstract
Practically, most systems possess characteristics of both viscous damping and Coulomb damping. A model of combined viscous and Coulomb damping is analysed while taking into account the different nature of materials. Different material contact surfaces exhibit distinct coefficients of friction which has an effect on the displacement response of a vibratory system. The study involves analysis of a linear spring-mass damper system by varying its material parameters, taking frictional force into account. The response in terms of maximum displacement amplitude is examined while varying the values of coefficient of friction. Material parameters such as natural frequency (varied by mass and stiffness each), damping ratio and coefficient of friction are studied. The research is conducted using theory of combined viscous and dry friction damping and graphical observations are made to study the response in view of different surface contacts.
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