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On the calibration of drill-string models based on hysteresis cycles data
January 01, 2020
The calibration procedure could calibrate hysteresis-cycles data.
The new procedure proposed might be valuable to other systems with hysteresis.
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A novel stochastic process to model the variation of rock strength in bit-rock interaction for the analysis of drill-string vibration
January 01, 2020
Torsional vibration severity in the presence of rock strength uncertainties.
Generation of a novel stochastic process through stochastic differential equations.
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