4. Finite element modeling of rotors
The finite element method, widely used for calculating complex structures, is also effective in rotor dynamics. The gyroscopic effect must be taken into account, and specific resolution methods can be advantageously employed .
4.1 Finished rotor elements
It is necessary to define the finite elements needed to model the rotors: disks, shafts, bearings, and to represent external forces, particularly those due to unbalance.
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Finite element modeling of rotors
Calculation software. Sysrotor
- (1) - BERLIOZ (A.), DER HAGOPIAN (J.), DUFOUR (R.), DRAOUI (E.) - Dynamic Behavior of a Drill-String : Experimental Investigation of Lateral Instabilities. (Comportement dynamique d'une tige de forage : recherche expérimentale des instabilités latérales). - ASME Journal of Vibration and Acoustics, vol. 118, p. 292-298, juil. 1996.
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