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Journal Articles

Torsional Vibrations and Nonlinear Dynamic Characteristics of Drill Strings and Stick-Slip Reduction Mechanism

Jialin Tian, Genyin Li, Liming Dai, Lin Yang, Hongzhi He, Shuhui Hu
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. August 2019, 14(8): 081007.
Paper No: CND-19-1026
https://doi.org/10.1115/1.4043564
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...
View Article titled, Torsional Vibrations and <span class="search-highlight">Nonlinear</span> Dynamic Characteristics of Drill Strings and Stick-Slip Reduction Mechanism
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Topics: Bits (Tools), Damping, Drill strings, Stick-slip, Vibration, Drilling, Torque
Journal Articles

Nonlinear Periodic Response of Composite Curved Beam Subjected to Symmetric and Antisymmetric Mode Excitation

S. M. Ibrahim, B. P. Patel, Y. Nath
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research Papers
J. Comput. Nonlinear Dynam. April 2010, 5(2): 021009.
https://doi.org/10.1115/1.4000825
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...
View Article titled, <span class="search-highlight">Nonlinear</span> Periodic Response of Composite Curved Beam Subjected to Symmetric and Antisymmetric Mode Excitation
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Topics: Composite materials, Excitation, Vibration