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FREE VIBRATION ANALYSIS OF CELLULAR CURVED PLATE STRUCTURES | ||
| Al-Qadisiyah Journal for Engineering Sciences | ||
| Article 1, Volume 1, Issue 2, 2008, Pages 144-157 PDF (0 K) | ||
| Authors | ||
| Munaf A. Abdulkadhem; Sadjad A. Hemzah | ||
| Abstract | ||
| A free vibration analysis of a curved plate cellular structure is presented. The flexibility matrices of both curved and straight members were used in the analysis; also a lumped mass matrix having the same number of equations as the consistent mass matrix was adopted herein. Jacobi’s iterative method was used to solve the Eigenvalue problems. The general purpose finite element program (MSC/NASTRAN) was used in the comparisons of the vibration analysis. The maximum deference in the results compared with (MSC/NASTRAN) are about (15%) for the fifth Eigenvalue and it decrease until (1%) for the first Eigenvalue | ||
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