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Complex dynamics of drill-strings: Theory and experiments
Conference ObjectAbstract: We investigate complex drill-string dynamics in a downhole drilling where strong nonlinear interactiPalabras claves:Autores:Kapitaniak M., Marian Wiercigroch, Nandakumar K., Vaziri V.Fuentes:scopusBifurcation scenarios in helical buckling of slender rods using new FE
ArticleAbstract: We develop a new Finite Element to accurately model twisting of rods and capture the bifurcation scePalabras claves:Bifurcations, finite element, Helical buckling, Post-buckling configurations, Twisted rodsAutores:Kapitaniak M., Marian Wiercigroch, Vaziri V.Fuentes:scopusApplication of Resonance Enhanced Drilling to coring
ArticleAbstract: This paper aims to evaluate the applicability of Resonance Enhanced Drilling (RED) technology to corPalabras claves:Core quality assessment, Coring, drilling, experimental studiesAutores:Kapitaniak M., Li S., Marian Wiercigroch, Millett J.M., Vaziri V.Fuentes:scopusFinite element analysis of drill pipe-slip system
ArticleAbstract: As an important tool for tripping of a drill-string, a drill-pipe (DP)-slip system directly affectsPalabras claves:Drill-pipe, finite element analysis, Friction, Slip insert, Stress distributionAutores:Guo B., Kapitaniak M., Marian Wiercigroch, Tang L., Vaziri V.Fuentes:scopusExperimental studies of forward and backward whirls of drill-string
ArticleAbstract: In this work we investigate forward and backward whirls of a drill-string using a novel experimentalPalabras claves:Co-existing attractors, Drill-string dynamics, experimental studies, Forward and backward whirls, Lateral vibrationAutores:Joseph Páez Chávez, Kapitaniak M., Marian Wiercigroch, Vaziri V.Fuentes:googlescopusNonlinear dynamics of lump mass model of drill-string in horizontal well
ArticleAbstract: We develop a dynamic model of a drill-string in a horizontal well having six Degrees-Of-Freedom, whiPalabras claves:Complex whirling, Coupled motions, Drill-string dynamics, Horizontal well, State-dependent delayAutores:Huang Z., Kapitaniak M., Ma Y., Marian Wiercigroch, Vaziri V., Xie D.Fuentes:scopusNumerical Study of Forward and Backward Whirling of Drill-String
ArticleAbstract: This work presents a numerical investigation of the undesired lateral vibrations (whirling) occurrinPalabras claves:Autores:Joseph Páez Chávez, Kapitaniak M., Marian Wiercigroch, Vaziri V.Fuentes:googlescopusHelical buckling of drill-strings
Conference ObjectAbstract: This paper presents experimental and numerical investigations of the complex drill-string vibration,Palabras claves:Autores:Kapitaniak M., Marian Wiercigroch, Vaziri V.Fuentes:scopusHelical buckling of thin rods: FE modelling
Conference ObjectAbstract: In this paper, we utilize the Finite Element (FE) method to model twisting of long thin rods and capPalabras claves:Autores:Kapitaniak M., Marian Wiercigroch, Vaziri V.Fuentes:scopusParametric analysis of a sliding-mode controller to suppress drill-string stick-slip vibration
ArticleAbstract: Despite a significant research effort to understand and mitigate stick-slip in drill-strings, this pPalabras claves:DELAY, Drill string, Parametric analysis, robustness, Sliding-mode control, Stick-slipAutores:Aphale S.S., Kapitaniak M., Marian Wiercigroch, Oladunjoye I.O., Vaziri V.Fuentes:scopus