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Article Type: Research-Article
J. Comput. Nonlinear Dynam. August 2019, 14(8): 081007.
Paper No: CND-19-1026
Published Online: May 13, 2019
..., then the multidegree-of-freedom torsional vibrations model and nonlinear dynamic model of the drill string are established. Combined with the actual working conditions in the drilling process, the stick–slip reduction mechanism of the drill string is studied. The research results show that the higher rotational speed...
Article Type: Research Papers
J. Comput. Nonlinear Dynam. April 2010, 5(2): 021009.
Published Online: February 19, 2010
... of forcing frequency: ω / ω F = 0.683 – 1.002 , ceases when another SB bifurcation is encountered. Nonlinear steady-state response amplitude versus forcing frequency curves for immovable simply supported two-layered cross-ply ( 0 0 / 90 0 ) curved beam subjected...