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Information × Registration Number 0205U004622, 0103U003862 , R & D reports Title The research of oscillations is elastic final systems conected of systems of a non-linear system of firm bodies with gravity-frictional gear of seismoshock- absorber popup.stage_title Head Plakhtienko N.P., Registration Date 26-04-2005 Organization S.P.Timoshenko Institute of Mechanics popup.description2 The system of the nonlinear ordinary differential equations of the second order which describes the forced oscillations of the system of heavy rigid bodies about position of equilibrium is connected. Dynamic pressure of system of rigid bodies on spherical seismic damper is calculated. The phenomenon of the double phase-frequency resonance is investigated at the forced two-frequency oscillations of rigid bodies Product Description popup.authors popup.nrat_date 2020-04-02 Close