Auteur Aly El-Shafei
Documents disponibles écrits par cet auteur (3)
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Article : texte imprimé
Aly El-Shafei, Auteur ; A. S. Dimitri, Auteur |Journal bearings (JBs) are excellent bearings due to their large load carrying capacity and favorable damping characteristics. However, journal bearings are known to be prone to instabilities. The oil whirl and oil whip instabilities limit the r[...]
Article : texte imprimé
Raghavendra Murthy, Auteur ; Marc P. Mignolet, Auteur ; Aly El-Shafei, Auteur |A systematic and rational approach is presented for the consideration of uncertainty in rotordynamics systems, i.e., in rotor mass and gyroscopic matrices, stiffness matrix, and bearing coefficients. The approach is based on the nonparametric st[...]
Article : texte imprimé
Raghavendra Murthy, Auteur ; Marc P. Mignolet, Auteur ; Aly El-Shafei, Auteur |In the first part of this series, a comprehensive methodology was proposed for the consideration of uncertainty in rotordynamic systems. This second part focuses on the application of this approach to a simple, yet representative, symmetric roto[...]
