Comparative Analysis of Al-Li Alloy and Aluminum Honeycomb Panel for Aerospace Application by Structural Optimization

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr class="thead"><td align="left">Mode order</td><td align="center">1</td><td align="center">2</td><td align="center">3</td><td align="center">4</td><td align="center">5</td><td align="center">6</td><td align="center">7</td><td align="center">8</td></tr><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr><td align="left">Natural frequency [Hz]</td><td align="center">114.8</td><td align="center">137</td><td align="center">164.7</td><td align="center">169.6</td><td align="center">186.9</td><td align="center">216.5</td><td align="center">234.4</td><td align="center">238.9</td></tr><tr class="table-tr"><td colspan="9"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Natural frequencies of first eight order modes.

Mathematical Problems in Engineering

tab7

Table 7

Table 7: Comparative Analysis of Al-Li Alloy and Aluminum Honeycomb Panel for Aerospace Application by Structural Optimization 