A Dynamic Coefficient Matrix Method for the Free Vibration of Thin Rectangular Isotropic Plates

<table class="fixed-width table-group" id="tab2"><tr><td><table class="table"><colgroup><col style="width:7.39em"/><col style="width:7.72em"/><col style="width:7.14em"/></colgroup><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2"><b>Mode Number</b></td><td class="align_center" colspan="2"><b>Natural Frequencies (Hz)</b></td></tr><tr class="thead"><td class="align_center"><b>Exact Value [<a href="/journals/sv/2018/1071830/#B14" target="_blank">13</a>]</b></td><td class="align_center"><b>DCM Method</b></td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">86.68</td><td class="align_center">86.68</td></tr><tr><td class="align_left">2</td><td class="align_center">166.63</td><td class="align_center">166.63</td></tr><tr><td class="align_left">3</td><td class="align_center">266.99</td><td class="align_center">266.99</td></tr><tr><td class="align_left">4</td><td class="align_center">300.14</td><td class="align_center">300.14</td></tr><tr><td class="align_left">5</td><td class="align_center">346.49</td><td class="align_center">346.49</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Natural frequencies for fully pinned plate (S-S-S-S).</div>

Shock and Vibration

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Table 2

Table 2: A Dynamic Coefficient Matrix Method for the Free Vibration of Thin Rectangular Isotropic Plates 