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    On the equilibrium position stability of discrete model of filling hose under the action of reactive force

    2015, Vol. 11, No. 1, pp.  127-146

    Author(s): Baikov A., Mayorov A. Y.

    The destabilization of the stable equilibrium position of a non-conservative system with three degrees of freedom under the action of a linear viscous friction force is considered. The dissipation is assumed to be completed. The standard methods of the stability theory are using for solving problem. Stability of equilibrium position is studied in the linear approximation. The coefficients of characteristic polynomial are constructed by using Le Verrier’s algorithm. Ziegler’s effect condition and criterion for the stability are constructed by using perturbation theory. Stability of the three-link rod system’s equilibrium position is investigated, when there is no dissipative force. Ziegler’s area and criterion for the stability of the equilibrium position of a system with three degrees of freedom, in which the friction forces take small values, are constructed. The influence of large friction forces is investigated. The results of the study may be used for the analysis of stability of a non-conservative system with three degrees of freedom. Also, the threelink rod system may be used as discrete model of filling hose under the action of reactive force.



    Keywords: fillling hose, discrete model, three-link rod system, tracking force, dissipative forces, asymptotically stability, Ziegler’s effect, Ziegler’s areas, criterion for the stability
    Citation: Baikov A., Mayorov A. Y., On the equilibrium position stability of discrete model of filling hose under the action of reactive force, Rus. J. Nonlin. Dyn., 2015, Vol. 11, No. 1, pp.  127-146
    DOI:10.20537/nd1501007


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