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This is a continued paper of [1]. The dissipation is considered here for analysing the mul-tiple equilibria and their instability. It is found that the far super-resonant and sub-resonantequilibria are stable and the near super-resonant equilibrium is unstable. The numerical resultsfor the periodic varying forcing show that the two kinds of stable equilibria in the dissipativesystem can alternatively transform into an asymmetrical oscillation with a period same asthat of the forcing.
The is is found that the far super-resonant and sub-resonantequilibria are stable and the near super-resonant equilibrium is unstable . The numerical results for the periodic varying forcing show that the two kinds of stable equilibria in the dissipativesystem can alternatively transform into an asymmetrical oscillation with a period same asthat of the forcing.