As a representative structure, the cantilever beam has been studied under sinusoidal or random vibration tests, of which the nonlinear dynamic feature has been discussed comprehensively. However the responses of a cantilever beam under mixed mode of vibration loads, such as sine-on-random, random-on-random, sine-on-random-on-random, are rarely investigated experimentally. Therefore, various vibration tests of a cantilever beam made of titanium alloy were conducted including sine sweep, random, and the aforementioned mixed modes. In the sine-on-random test including natural frequencies as sinusoidal components, nonlinear dynamics occurred that response significantly amplified at the double, triple of first order natural frequency and specific values around the second order. But there were no such magnifications in narrow-band random on wide-band random excitation test, and the result of sine-on-random-on-random was similar to the sine-on-random experiment. Consequently, the resonant sinusoidal components caused nonlinear responses of the cantilever beam. The nonlinear dynamic feature is noteworthy in mechanical design.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Nonlinear Dynamic Responses of A Cantilever Beam under Mixed Mode of Vibration Loads


    Contributors:
    Li, Yi (author) / Sun, Bing (author) / Fang, Jie (author) / Liang, Tong (author) / Cai, Guo-Biao (author)


    Publication date :

    2018-07-01


    Size :

    7424940 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




    Nonlinear vibration of a cantilever beam with tip mass under random base excitation

    Cheng, Guangfeng / Mei, Chuh / Lee, Raymond | AIAA | 2001




    AIAA-2001-1643 Nonlinear Vibration of a Cantilever Beam with Tip Mass Under Random Base Excitation

    Cheng, G. / Mei, C. / Lee, R. et al. | British Library Conference Proceedings | 2001