Ground Resonance Analysis of Bearingless Rotor Dynamic Stability Based on Simplified Model

Li Jun Wei; Shu Li; Xue Chang Li

doi:10.4028/www.scientific.net/AMR.694-697.466

Paper Titles

Research on State Monitoring Method of Coal Shearer Vibration
p.449

Finite Element Modal Analysis of Large-Scale Composite Wind Turbine Blade
p.453

Research on Performance Parameters of the Piezoelectric Vibrator in Ultrasonic EDM System
p.458

Research on Vibration Characteristic of Tamping Device Based on SIMULINK
p.462

Ground Resonance Analysis of Bearingless Rotor Dynamic Stability Based on Simplified Model
p.466

Natural Frequency Sensitivities of Lap Joint on Clamped-Clamped Beam
p.473

The Influence of the Cable Parameters on Vibration Characteristics of a Long-Span Suspension Bridge
p.476

Spatial Vibration Characteristics of Four-High Rolling Mills
p.481

The Test Research of High Precision FA45-29 Type Prototype
p.487

HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 694-697Ground Resonance Analysis of Bearingless Rotor...

Ground Resonance Analysis of Bearingless Rotor Dynamic Stability Based on Simplified Model

Abstract:

A simplified model of bearingless rotor was investigated using Hamilton principle. The equations of rotor/body coupling system instability were obtained. Perturbed equations were obtained after linearized perturbation. Stability results of rotor blades were presented using eigenvalue analysis. The shape function matrix was obtained using spline interpolation. The results indicated that the new method is efficiency and can obtain satisfactory results, and is complete in analysis.

You might also be interested in these eBooks

View Preview

Info:

Periodical:

Advanced Materials Research (Volumes 694-697)

Pages:

466-472

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.694-697.466

Citation:

Cite this paper

Online since:

May 2013

Authors:

Li Jun Wei, Shu Li, Xue Chang Li

Keywords:

Dynamic Stability, Eigenvalue Analysis, Hamilton Principle, Rotor/Body Coupling

Export:

RIS, BibTeX

Price:

Permissions CCC:

Request Permissions

Permissions PLS:

Request Permissions

Сopyright:

Citation:

References

[1] Friedmann, P. P., "Rotory-wing aeroelasticity - a historical perspective and some current trends,"44th AIAA/ASME/ ASCE/AHS Structures, Structural Dynamics, and Materials Conference, Norfolk, Virginia, April 7-10, (2003)

DOI: 10.2514/6.2003-1817

Google Scholar

[2] Friedmann, P. P., "Rotory-Wing Aeroelastic: Current Status and Future Trends," AIAA Journal, Vol. 42, No. 10, 2004, pp.1953-1972

DOI: 10.2514/1.9022

Google Scholar

[3] SIVANERI N T and CHOPRA I.Dynamic Stability of a Rotor Blade Using Finite Element Analysis[J]. AIAA Journal, Vol. 20, May 1982.

DOI: 10.2514/3.51129

Google Scholar

[4] MURTHY V R and SHULTZ L A. Linear and nonlinear dynamic analysis of redundant load path bearingless rotor systems[R]. NASA CR-197220, Oct. 1994.

Google Scholar

[5] HU Guocai, XIANG Jinwu and ZHANG Xiaogu. An analytical model of coupled rotor/airframe helicopter dynamic stability in forward flight[J]. ACTA AERONAUTICS ET ASTRONAUTICA SINICA, 25(5), 2004: 451~455

Google Scholar

[6] Dale M Pitt and David A Peters. Theoretical prediction of dynamic-inflow derivatives[J]. Vertica, 5, 1981: 21~34

Google Scholar

[7] Peters D A. Hingeless rotor frequency response with unsteady inflow[J]. Rotorcraft Dynamics, NASA SP-352,1974:1~12

Google Scholar

[8] Lim, I. G., and lee, I., "Aeroelastic analysis of bearingless rotors with a composite flexbeam,"Composite Structure, Vol. 88, Issue 4, 2009, pp.570-578

DOI: 10.1016/j.compstruct.2008.06.007

Google Scholar