Ground Vibration Testing of SARAS Aircraft

Sathyanarayana, CN and Krishna, Saraswathi and Dwarakanath, K and Nagaraja, BV and Vijaya Kumar, PS and Vijaya Vittala, NG and Viswanath, S and Shashikant, AK (2004) Ground Vibration Testing of SARAS Aircraft. Technical Report. National Aerospace Laboratories, Bangalore, India.

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    Abstract

    Ground Vibration Test (GVT) on full aircraft is essential to determine the modal parameters,13; such as Natural Frequencies, Modal Damping and Mode Shapes. The results of GVT will also13; be used to update the numerical model. During the design stage of any aircraft development,13; free vibration charactenstics are estimated by analytical predictions using Finite Element13; Analysis of the aircraft. These characteristics are to be verified and updated through GVT.13; A detailed report on the test procedures that were followed for the GVT of SARAS VT-XSD13; using the 60-channel GVT system and results obtained is presented in this document. The13; experimentally determined modal parameters may be used as input for fine-tuning the13; aeroelastic analysis.

    Item Type: Proj.Doc/Technical Report (Technical Report)
    Uncontrolled Keywords: SARAS aircraft;GVT;Modal test;certification
    Subjects: AERONAUTICS > Aircraft Design, Testing & Performance
    Division/Department: Structures Division, Structures Division, Structures Division, Structures Division, Structures Division, Structures Division, Structures Division, Structures Division
    Depositing User: Mrs Manoranjitha M D
    Date Deposited: 27 Jan 2006
    Last Modified: 24 May 2010 09:39
    URI: http://nal-ir.nal.res.in/id/eprint/939

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