Zobrazeno 1 - 10
of 100
pro vyhledávání: '"Régis Dufour"'
Publikováno v:
Mechanical Systems and Signal Processing
Mechanical Systems and Signal Processing, Elsevier, 2019, 127, pp.276-289. ⟨10.1016/j.ymssp.2019.03.011⟩
Mechanical Systems and Signal Processing, Elsevier, 2019, 127, pp.276-289. ⟨10.1016/j.ymssp.2019.03.011⟩
International audience; The aim of this paper is to provide an efficient multi-parametric recursive continuation method of specific solution points of a nonlinear dynamical system such as bifurcation points. The proposed method explores the topology
Autor:
Régis Dufour, Franck Legrand, Marie-Ange Andrianoely, Sophie Baudin, Eric Chatelet, Yvon Briend
Publikováno v:
Mechanics & Industry
Mechanics & Industry, EDP Sciences, 2021, 22, pp.35. ⟨10.1051/meca/2021034⟩
Mechanics & Industry, Vol 22, p 35 (2021)
Mechanics & Industry, EDP Sciences, 2021, 22, pp.35. ⟨10.1051/meca/2021034⟩
Mechanics & Industry, Vol 22, p 35 (2021)
International audience; On-board rotating machinery subject to multi-axial excitations is encountered in a wide variety of high-technology applications. Such excitations combined with mass unbalance forces play a considerable role in their integrity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e0d257bd464b6e9da85969aab80580e
https://hal.archives-ouvertes.fr/hal-03241683/file/mi210006.pdf
https://hal.archives-ouvertes.fr/hal-03241683/file/mi210006.pdf
Publikováno v:
Mechanism and Machine Theory
Mechanism and Machine Theory, Elsevier, 2020, 145, pp.103660. ⟨10.1016/j.mechmachtheory.2019.103660⟩
Mechanism and Machine Theory, Elsevier, 2020, 145, pp.103660. ⟨10.1016/j.mechmachtheory.2019.103660⟩
In the transportation domain such as automotive turbochargers and aircraft turbines, the vibrations of on-board rotors are induced not only by the mass unbalance excitation but also by various movements of their support. The dynamics of an on-board r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7367549347eee518964c467a71b41262
https://hal.archives-ouvertes.fr/hal-02948848
https://hal.archives-ouvertes.fr/hal-02948848
Dynamics Vibration Prediction and Comparison with Downhole Data Measurements in Unconventional Wells
Autor:
Quang-Thinh Tran, Khac-Long Nguyen, Lionel Manin, Stéphane Menand, Marie-Ange Andrianoely, Matt Isbell, Mohamed Ali Mahjoub, Régis Dufour
Publikováno v:
Day 2 Wed, March 04, 2020.
During drilling operations, high drillstring vibrations may originate from various sources, namely, the bit-rock interaction, drillstring-wellbore contacts, stick-slip phenomena, fluid-structure interaction, and mass unbalances. Excessive vibrations
Autor:
Mohamed Ali Mahjoub, Quang-Thinh Tran, Régis Dufour, Lionel Manin, Marie-Ange Andrianoely, Khac-Long Nguyen, Stéphane Menand
Publikováno v:
Day 1 Tue, March 03, 2020.
During drilling operations, the bit-rock and drillstring-wellbore contacts with stick-slip phenomena, fluid-structure interaction, and mass unbalances distributed along the drillstring yield nonlinear dynamics coupling axial, torsional, and lateral v
Autor:
Sébastien Baguet, Khac-Long Nguyen, Mohamed Ali Mahjoub, Quang-Thinh Tran, Lionel Manin, Stéphane Menand, Régis Dufour, Marie-Ange Andrianoely
Publikováno v:
International Journal of Mechanical Sciences
International Journal of Mechanical Sciences, Elsevier, 2020, 166, pp.105225. ⟨10.1016/j.ijmecsci.2019.105225⟩
International Journal of Mechanical Sciences, Elsevier, 2020, 166, pp.105225. ⟨10.1016/j.ijmecsci.2019.105225⟩
International audience; The drilling operations for oil or geothermic extraction use a slender structure introduced inside the drill well, hanging from a derrick and driven by a rotary table at the surface. The drilling structure consists in a series
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2161369d02f1ca384f4b279aa0e9ef09
https://hal.archives-ouvertes.fr/hal-02360725/document
https://hal.archives-ouvertes.fr/hal-02360725/document
Publikováno v:
Journal of Vibration and Acoustics
Journal of Vibration and Acoustics, American Society of Mechanical Engineers, 2019, 141 (6), ⟨10.1115/1.4044381⟩
Journal of Vibration and Acoustics, American Society of Mechanical Engineers, 2019, 141 (6), ⟨10.1115/1.4044381⟩
A new reduction method is proposed to investigate the behavior stability of rotor-bearing systems subject to a multifrequency rotational motion of their base. Combining the modal analysis and the construction of specific dynamic Ritz vectors, this me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48764350bd89ef0f9d375342e745aa92
https://hal.archives-ouvertes.fr/hal-02948835
https://hal.archives-ouvertes.fr/hal-02948835
Autor:
Quang-Thinh Tran, Régis Dufour, Lionel Manin, Marie-Ange Andrianoely, Mohamed Ali Mahjoub, Stéphane Menand, Khac-Long Nguyen
Publikováno v:
Journal of Sound and Vibration
Journal of Sound and Vibration, Elsevier, 2019, 462, pp.114924. ⟨10.1016/j.jsv.2019.114924⟩
Journal of Sound and Vibration, Elsevier, 2019, 462, pp.114924. ⟨10.1016/j.jsv.2019.114924⟩
In rotary drilling, a drillstring is an assembly of slender pipes. It is used to transmit the driving torque of a motor at the drilling surface to the drill bit at the bottom hole of a 3D well. Numerous vibratory phenomena are induced during the dril
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b9cd568f62aa0172782d4073a4d86cd
https://hal.archives-ouvertes.fr/hal-02297671/document
https://hal.archives-ouvertes.fr/hal-02297671/document
Autor:
Eric Chatelet, Yvon Briend, Régis Dufour, Franck Legrand, Marie-Ange Andrianoely, Valder Steffen, Sophie Baudin, Marcelo Samora Sousa
Publikováno v:
Journal of Sound and Vibration. 513:116398
This paper addresses rotor–stator contact issues, especially the dry-whip phenomenon, as caused by base excitations. So far, this particular instability in the case of direct rub between shaft and stator was only shown by experiments to occur in re
Publikováno v:
Mechanical Systems and Signal Processing
Mechanical Systems and Signal Processing, Elsevier, 2021, 159, pp.107787. ⟨10.1016/j.ymssp.2021.107787⟩
Mechanical Systems and Signal Processing, Elsevier, 2021, 159, pp.107787. ⟨10.1016/j.ymssp.2021.107787⟩
Active magnetic bearing (AMB) technology provides to rotating machinery, high operating speeds, direct couplings, almost frictionless support and a reduced footprint. In case of strong base excitations, the rotor may contact its touchdown bearings (T