Investigation of non-resonant vibration behaviour by a newly developed time-averaged ESPI method

【Author】

Wei-Chung Wang;Chi-Hung Hwang;I-Ling Chang;

【Abstract】

<正>This paper introduces a newly developed time-averaged electronic speckle pattern interferometry(ESPI) method to investigate nonresonant vibration behavior of structural components.Different from traditional ESPI method,fringe patterns including both at resonant and non-resonant frequencies are used in the newly developed method.Experimentally speaking,fringe patterns are

【Keywords】

time;ESPI;Investigation of non-resonant vibration behaviour by a newly developed time-averaged ESPI method;FEM;SPD;

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