A non-linear Cosserat rod model for drill-string dynamics in arbitrary borehole geometries with contact and friction
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2019.04.023
Abstract: Abstract A model for drill-string dynamics in arbitrary borehole geometries based on the Cosserat rods theory is presented. The objective of this work is to exploit the capabilities of the Cosserat rods to capture the… read more here.
Keywords: drill string; arbitrary borehole; model; friction ... See more keywords
Magnetic non-contact friction from domain wall dynamics actuated by oscillatory mechanical motion
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/ab351f
Abstract: Magnetic friction is a form of non-contact friction arising from the dissipation of energy in a magnet due to spin reorientation in a magnetic field. In this paper we study magnetic friction in the context… read more here.
Keywords: non contact; domain wall; wall dynamics; friction ... See more keywords