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Structural Engineering and Mechanics Volume 3, Number 1, January 1995 , pages 35-48 DOI: https://doi.org/10.12989/sem.1995.3.1.035 |
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VIBRATION FREQUENCIES FOR ELLIPTIC AND SEMIELLIPTIC MINDLIN PLATES |
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WANG CM, XIANG Y, KITIPORNCHAI S
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| Abstract | ||
| This paper presents new frequency results for elliptical and semi-elliptical Mindlin plates of various aspect ratios, thicknesses and boundary conditions. The results were obtained using the recently developed computerized Rayleigh-Ritz method for thick plate analysis. For simply supported elliptical plates, it is proposed that the penalty function method be used to enforce the condition of zero rotation of the midplane normal in the tangent plane to the plate boundary. | ||
| Key Words | ||
| ELLIPTIC PLATE, SEMIELLIPTIC PLATE, MINDLIN THEORY, RAYLEIGH-RITZ METHOD, VIBRATION | ||
| Address | ||
| WANG CM, NATL UNIV SINGAPORE,DEPT CIVIL ENGN,KENT RIDGE,SINGAPORE 0511,SINGAPORE UNIV QUEENSLAND,DEPT CIVIL ENGN,ST LUCIA,QLD 4072,AUSTRALIA | ||