State Dependent Delayed Drill-string Vibration : Theory, Experiments and New Model

L.J. Pei would like to acknowledge NNSF of China (No. 11372282) and China Scholarship Council.Peer reviewedPublisher PD

Suppression of drill-string stick–slip vibration by sliding mode control : Numerical and experimental studies

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Bifurcation scenarios in helical buckling of slender rods using new FE

The authors would like to acknowledge the use of the Maxwell High Performance Computing Cluster of the University of Aberdeen IT Service and various industrial projects sponsored by Oil & Gas Innovation Centre (OGIC), which stipulated these studies.Peer reviewedPostprin

Helical buckling of thin rods : FE modelling

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Constrained control of coexisting attractors in impact oscillator with delay

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Complex dynamics of drill-strings : Theory and experiments

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Numerical Study on the Elastic Deformation and the Stress Field of Brittle Rocks under Harmonic Dynamic Load

Funding: The support of National Natural Science Foundation of China (No. 51704074) and Youth Science Foundation of Heilongjiang Province (No. QC2018049) are gratefully acknowledged. The work is also supported by Talent Cultivation Foundation (No. SCXHB201703; No. ts26180119; No. td26180141) and Youth Science Foundation (No. 2019QNL-07) of Northeast Petroleum University.Peer reviewedPublisher PD

Dynamic crack propagation in specimens with a surface irregularity

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Control Method to Suppress Stick-slip in Drill-strings Featuring Actuation Delay and Constraints

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Experimental studies of forward and backward whirls of drill-string

The authors wish to thank BG Group plc for the financial support to this research.Peer reviewedPostprin