VIBRATION OF CRACKED PLATE USING DIFFERENTIAL QUADRATURE METHOD AND EXPERIMENTAL MODAL ANALYSIS

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MORADI S.; ALIMOURI P.

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Paper Information

Journal: JOURNAL OF MECHANICAL RESEARCH AND APPLICATION (JMRA) Year:2012 | Volume:4 | Issue:1 Page(s): 53-63

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Title

VIBRATION OF CRACKED PLATE USING DIFFERENTIAL QUADRATURE METHOD AND EXPERIMENTAL MODAL ANALYSIS

Author(s)

MORADI S. | ALIMOURI P. | Issue Writer Certificate

Keywords

DIFFERENTIAL QUADRATURE METHOD

CRACKED PLATE

EXPERIMENTAL MODAL ANALYSIS

Abstract

In this study, the vibration of CRACKED PLATEs is investigated using DIFFERENTIAL QUADRATURE METHOD and EXPERIMENTAL MODAL ANALYSIS. The crack, which is assumed to be open, is modeled by the extended rotational spring. With its finite length, the crack divides the plate into six segments.Then, the differential quadrature is applied to the governing differential equations of motion and the corresponding boundary and continuity conditions. An eigenvalue analysis is performed on the resulting system of algebraic equations to obtain the natural frequencies of the CRACKED PLATE. To ensure the integrity and robustness of the presented method, EXPERIMENTAL MODAL ANALYSIS is carried out on cantilever plates having open cracks with finite length and the results are compared with the proposed method. A numerical study is performed to show the effect of length, depth and location of the crack on natural frequencies of the plates. The results verify the accuracy and efficiency of DIFFERENTIAL QUADRATURE METHOD.

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APA: Copy

MORADI, S., & ALIMOURI, P.. (2012). VIBRATION OF CRACKED PLATE USING DIFFERENTIAL QUADRATURE METHOD AND EXPERIMENTAL MODAL ANALYSIS. JOURNAL OF MECHANICAL RESEARCH AND APPLICATION (JMRA), 4(1), 53-63. SID. https://sid.ir/paper/611219/en

Vancouver: Copy

MORADI S., ALIMOURI P.. VIBRATION OF CRACKED PLATE USING DIFFERENTIAL QUADRATURE METHOD AND EXPERIMENTAL MODAL ANALYSIS. JOURNAL OF MECHANICAL RESEARCH AND APPLICATION (JMRA)[Internet]. 2012;4(1):53-63. Available from: https://sid.ir/paper/611219/en

IEEE: Copy

S. MORADI, and P. ALIMOURI, “VIBRATION OF CRACKED PLATE USING DIFFERENTIAL QUADRATURE METHOD AND EXPERIMENTAL MODAL ANALYSIS,” JOURNAL OF MECHANICAL RESEARCH AND APPLICATION (JMRA), vol. 4, no. 1, pp. 53–63, 2012, [Online]. Available: https://sid.ir/paper/611219/en

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