Higher Frequencies of Square Plates with Symmetrically Mixed of Simply Supported-Clamped Edge Conditions
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Abstract
Since the vibration problem of plates with mixed edge conditions is of academic and technological importance, the need of knowing natural frequencies is then required. This paper attempts to deal with an accurate value for some higher frequencies expressed in terms of frequency parameters of square plates having mixed edges between the simple and clamped supports. Two plate configurations are considered. The first is of the clamped plate with varying corner simply supported lengths; while the second is the simply supported plate having an equal angle type of clamped support placed at all corners. The analysis is made by means of finite element code with a dense net of element mesh. The first twenty frequencies and their vibratory modes are presented, which could serve as a benchmark for comparison with other methods.
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Copyright @2021 Engineering Transactions
Faculty of Engineering and Technology
Mahanakorn University of Technology
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