Mostrando 7 resultados de: 7
Publisher
Applied Mathematical Modelling(1)
IUTAM Bookseries(1)
International Journal of Mechanical Sciences(1)
Journal of Sound and Vibration(1)
MATEC Web of Conferences(1)
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:scopusBit-bounce and stick-slip in drill-string dynamics
Conference ObjectAbstract: A recently proposed two degrees-of-freedom model for axial and torsional vibrations of drill-stringPalabras claves:Axial and torsional damping, delay differential equations, Drill-string dynamics, Stick-slipAutores:Marian Wiercigroch, Nandakumar K., Pearson C.Fuentes:scopusGalerkin projections for state-dependent delay differential equations with applications to drilling
ArticleAbstract: A Galerkin projection scheme to obtain low dimensional approximations of delay differential equationPalabras claves:Drill-strings, Galerkin projection, stability, State dependent delayAutores:Marian Wiercigroch, Nandakumar K.Fuentes:scopusOptimum energy extraction from rotational motion in a parametrically excited pendulum
ArticleAbstract: A pendulum rotating under vertical base excitation is considered from the viewpoint of energy extracPalabras claves:Damping, Energy extraction, Parametric pendulum, Period-1 rotationAutores:Chatterjee A., Marian Wiercigroch, Nandakumar K.Fuentes:scopusUnveiling complexity of drill-string vibrations: Experiments and modelling
ArticleAbstract: We investigate complex drill-string dynamics on a novel experimental rig [1], capable of reproducingPalabras claves:Bit-rock interaction, Drill-string dynamics, experimental studies, Finite element modelling, Nonlinear oscillations, Stick-slipAutores:Joseph Páez Chávez, Kapitaniak M., Marian Wiercigroch, Nandakumar K., Vaziri V.Fuentes:googlescopusStability analysis of a state dependent delayed, coupled two DOF model of drill-stringvibration
ArticleAbstract: Stick-slip and bit-bounce are dangerous dynamic phenomena encountered during rotary drilling of oil-Palabras claves:Autores:Marian Wiercigroch, Nandakumar K.Fuentes:scopusState Dependent Delayed Drill-string Vibration: Theory, Experiments and New Model
Conference ObjectAbstract: We have reviewed the development and the analysis of the coupled two degrees-of-freedom model of driPalabras claves:Drill-string, experiments, modelling, State dependent delay, vibrationAutores:Kapitaniak M., Marian Wiercigroch, Nandakumar K., Pei L., Vaziri V.Fuentes:scopus