2006
DOI: 10.1016/j.jsv.2005.03.008
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Nonlinear dynamic analysis of a high-speed rotor supported by rolling element bearings

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Cited by 104 publications
(52 citation statements)
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“…Although the Hertzian contact theory has been used as one of the main methods in ball bearing analysis, the assumptions of simplification ignore the lubrication effects of the oil film between the balls and races on the dynamic characteristics of ball bearing (Harsha, 2006). Furthermore, considering the Reynolds lubrication theory and Hertzian contact theory comprehensively, the EHL becomes a normal condition in the ball-race contact pair (Rahnejat and Gohar, 1985).…”
Section: Fig 3 Schematic Diagram Of the Gear Couplingmentioning
confidence: 99%
See 1 more Smart Citation
“…Although the Hertzian contact theory has been used as one of the main methods in ball bearing analysis, the assumptions of simplification ignore the lubrication effects of the oil film between the balls and races on the dynamic characteristics of ball bearing (Harsha, 2006). Furthermore, considering the Reynolds lubrication theory and Hertzian contact theory comprehensively, the EHL becomes a normal condition in the ball-race contact pair (Rahnejat and Gohar, 1985).…”
Section: Fig 3 Schematic Diagram Of the Gear Couplingmentioning
confidence: 99%
“…Hagiu and Gafitanu (1997),of a rotor-bearing system by considering the Hertzian contact forces between the rolling elements and races as the sources of nonlinearity. Harsha (2006) and Sinou (2009) ignored the effect of the lubricating oil, and could well simulate the load of the ball bearing using the Hertzian contact theory. While taking into account the oil film, the Hertzian contact alone is not able to describe the nonlinear supporting force comprehensively.…”
Section: Introductionmentioning
confidence: 99%
“…If the node is rolling bearing, because of varying compliance vibration in rolling bearing, nonlinear bearing force acting on the shaft should be considered in the dynamic model, which can be obtained by solving bearing equilibrium equations use Newton-Raphson method [16][17][18]. Assemble mass, damping and nonlinear bearing force matrix are assembled into the integrated corresponding matrixes.…”
Section: Dynamic Model Of Gear-flexible Shaft-bearing System With Faultsmentioning
confidence: 99%
“…But he has considered only nonlinear stiffness. Harsha (2006b) has studied the effects of rotor speed with geometrical imperfections. The results are from a large number of numerical integrations and are mainly presented in the form of Poincaré maps and frequency spectra.…”
Section: Introductionmentioning
confidence: 99%