Mode Shape Description and Model Updating of Axisymmetric Structures Using Radial Tchebichef Moment Descriptors

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Mode</td><td class="align_center">Natural frequency (Hz)</td><td class="align_center">Mode</td><td class="align_center">Natural frequency (Hz)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">634.67</td><td class="align_center">8</td><td class="align_center">2452.27</td></tr><tr><td class="align_left">2</td><td class="align_center">642.16</td><td class="align_center">9</td><td class="align_center">2464.95</td></tr><tr><td class="align_left">3</td><td class="align_center">864.28</td><td class="align_center">10</td><td class="align_center">3019.31</td></tr><tr><td class="align_left">4</td><td class="align_center">1617.86</td><td class="align_center">11</td><td class="align_center">3521.61</td></tr><tr><td class="align_left">5</td><td class="align_center">1620.11</td><td class="align_center">12</td><td class="align_center">3526.16</td></tr><tr><td class="align_left">6</td><td class="align_center">1928.52</td><td class="align_center">13</td><td class="align_center">3912.75</td></tr><tr><td class="align_left">7</td><td class="align_center">1953.65</td><td class="align_center"> </td><td class="align_center"> </td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Natural frequencies of cover obtained from the experiment.</div>

Shock and Vibration

tab7

Table 7

Table 7: Mode Shape Description and Model Updating of Axisymmetric Structures Using Radial Tchebichef Moment Descriptors 