Gaonkar, Gopal H and Nagaraja, CS and Nagabhushanam, J (1989) Prediction of inplane damping from deterministic and stochastic models. In: Vertica, 13 (2). pp. 143-158.
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This paper reviews computational reliability, computer algebra, stochastic stability and rotating frame turbulence (RFT) in the context of predicting the blade inplane mode stability, a mode which is at best weakly damped. Computational reliability can be built into routine Floquet analysis involving trim analysis and eigenanalysis, and a highly portable special purpose processor restricted to rotorcraft dynamics analysis is found to be more economical than a multipurpose processor. While the RFT effects are dominant in turbulence modeling, the finding that turbulence stabilizes the inplane mode is based on the assumption that turbulence is white noise.
Item Type: | Journal Article |
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Publication: | Vertica |
Publisher: | Pergamon Elsevier Science Ltd |
Additional Information: | Copyright of this article belongs to Pergamon Elsevier Science Ltd. |
Department/Centre: | Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering) |
Date Deposited: | 09 Aug 2010 06:35 |
Last Modified: | 10 Aug 2010 06:13 |
URI: | http://eprints.iisc.ac.in/id/eprint/31178 |
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