Modal Analysis of Cracked Plate Using Interval B-Spline Wavelet Finite Element Method

Hui Fen Peng; Guang Wei Meng; Li Ming Zhou; Zhao Long Yang

doi:10.4028/www.scientific.net/AMR.199-200.1287

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 199-200Modal Analysis of Cracked Plate Using Interval...

Modal Analysis of Cracked Plate Using Interval B-Spline Wavelet Finite Element Method

Abstract:

Aiming at the defects in describing stress field near the crack tip with traditional finite element method (TFEM), a new finite element method based on interval B-Spline wavelet (IBSW) is put forward, the displacement interpolation functions of plate element are constructed by using the scaling functions of IBSW, finite element model of cracked plate based on IBSW is established, and the stiffness matrixes of plate element is derived. The first four natural frequencies and mode shapes of the cracked plate are obtained by using interval B-Spline wavelet finite element (IBSWFE). Comparison of the calculated results with those by ANSYS shows that IBSWFE method can get higher calculation precision with less elements in dealing with engineering singularity problems.

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Periodical:

Advanced Materials Research (Volumes 199-200)

Pages:

1287-1291

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.199-200.1287

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Online since:

February 2011

Authors:

Hui Fen Peng, Guang Wei Meng, Li Ming Zhou, Zhao Long Yang

Keywords:

Cracked Plate, Interval B-Spline Wavelet, Modal Analysis, Natural Frequency

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