Free Vibration and Hardening Behavior of Truss Core Sandwich Beam

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Mode</td><td class="align_center">Lou</td><td class="align_center">Present</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">137.74</td><td class="align_center">137.81</td></tr><tr><td class="align_left">2</td><td class="align_center">523.09</td><td class="align_center">523.95</td></tr><tr><td class="align_left">3</td><td class="align_center">1091.38</td><td class="align_center">1094.11</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Comparison of natural frequencies of the sandwich beam with the second group of parameters.

Shock and Vibration

tab2

Table 2

Table 2: Free Vibration and Hardening Behavior of Truss Core Sandwich Beam 