Application of dynamic damper for nonlinear systems with restriction

Abstract

The model of dynamic damper was applied for suppression of oscillations of the nonlinear mechanical systems. With the help of applied model the system parameters were determined with possibly smallest amplitudes. The dynamic dampers’ proper frequency was determined which in all the cases is approximate to the frequency of system excitation. Because of damaging impact of oscillations in machines, damage situations and accidents in industry, transport and diseases prevention the oscillation suppression problem needs to be solved by searching more theoretical solution methods of mechanical nonlinear systems with various elastic elements and applying them in practice. Suppression of micro-oscillations is one of the most important tasks currently solved in the systems of machine manufacturing, aviation and transport: dynamic oscillation dampers are applied that are usually integrated to the system itself or toughly connected with the exact vibrant element. Solving the tasks of nonlinear mechanical systems the method of harmonic liberalization provides sufficiently good results even if external force besides the accidental component has the periodical one. oscillations, dynamic damper, harmonic linearization, nonlinear system.