A finite element code for rotordynamic analysis based on complex co-ordinates

Engineering Computations (Swansea, Wales)

Volumn 13, Issue 6, 1996, Pages 86-108

  Genta, G ^a   Delprete, C ^a   Bassani, D ^b  

^a POLITECNICO DI TORINO   (Italy)

^b Merlo SPA   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTATIONAL METHODS; COMPUTER SOFTWARE; DAMPING; FINITE ELEMENT METHOD; MATHEMATICAL MODELS; NONLINEAR SYSTEMS; PROBLEM SOLVING; ELASTIC MODULI; EQUATIONS OF MOTION; HARMONIC GENERATION; INTEGRATION; MAGNETIC BEARINGS; NATURAL FREQUENCIES; NUMERICAL ANALYSIS; POISSON RATIO; ROTORS; VIBRATIONS (MECHANICAL);

COMPLEX COORDINATES; ROTORDYNAMIC ANALYSIS; SOFTWARE PACKAGE DYNROT; CRANK MECHANISMS; FLEXURAL VIBRATIONS; GYROSCOPIC MATRIX; ROTOR DYNAMICS;

ROTORS; CODES (STANDARDS);

EID: 0030357272     PISSN: 02644401     EISSN: None     Source Type: Journal    
DOI: 10.1108/02644409610128427     Document Type: Article

References (14)

1. Dimentberg, F.M., Flexural Vibrations of Rotating Shafts, Butterworth, London, 1961.
2. Loevi, R.G. and Piarulli, V.J., Dynamics of Rotating Shafts, The Shock and Vibration Information Center Naval Research Laboratory, Washington, DC, 1969.
3. Prohl, M.A., "A general method for calculating critical speeds of flexible rotors", ASME Journal of Applied Mechanics, Vol. 67, September 1945, pp. A142-A148.
4. Lund, J.W., "Stability and damped critical speed of a flexible rotor in fluid-film bearings", Journal of Engineering for Industry, May 1974, pp. 509-17.
5. Nelson, H.D. and McVaugh, J.M., "The dynamics of rotor-bearing systems using finite elements", Journal of Engineering for Industry, May 1976, pp. 593-600.
6. Genta, G., "Consistent matrices in rotordynamics", Meccanica, Vol. 20, 1985, pp. 235-48.
7. Gerardin, M. and Kill, N., "A new approach to finite element modelling of flexible rotors", Engineering Computation, Vol. 1, March 1984, pp. 52-64.
8. Genta, G., Vibration of Structures and Machines, Springer, New York, NY, 1993.
9. Genta, G., "Whirling of unsymmetrical rotors: a finite element approach based on complex co-ordinates", Journal of Sound and Vibration, Vol. 124 No. 1, 1988, pp. 27-53.
10. Genta, G. and Delprete, C., "Acceleration through critical speeds of an anisotropic, nonlinear, torsionally stiff rotor with many degrees of freedom", Journal of Sound and Vibration, Vol. 180 No. 3, 1995, pp. 369-86.
11. Genta, G., "A fast modal technique for the computation of the Campbell diagram of multi-degree of freedom rotors", Journal of Sound and Vibration, Vol. 155 No. 3, 1992, pp. 385-402.
12. Genta, G. and De Bona, F., "Unbalance response of rotors: a modal approach with some extensions to damped natural systems", Journal of Sound and Vibration, Vol. 140 No. 1, 1990, pp. 129-53.
13. Genta, G. and Tonoli, A., "A harmonic finite element for the analysis of flexural, torsionalind axial rotordynamic behaviour of discs", Journal of Sound and Vibration (forthcoming).
14. Manson, S.S., Determination of Elastic Stresses in Gas Turbine Disks, NACA Report 871, 1947.