Experimental and Computational Modal Analyses for Launch Vehicle Models considering Liquid Propellant and Flange Joints

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Oxidizer tank</td><td class="align_center">2350 g</td></tr><tr><td class="align_left">Center body</td><td class="align_center">1101 g</td></tr><tr><td class="align_left">Fuel tank</td><td class="align_center">1763 g</td></tr><tr><td class="align_left">Nuts (48 ea.)</td><td class="align_center">50.4 g</td></tr><tr><td class="align_left">Washers (96 ea.)</td><td class="align_center">29.8 g</td></tr><tr><td class="align_left">Bolts (48 ea.)</td><td class="align_center">221.8 g</td></tr><tr><td class="align_left">Elastic ropes (4 ea.)</td><td class="align_center">9.2 g</td></tr><tr><td class="align_left">S-shaped rings (8 ea.)</td><td class="align_center">62.4 g</td></tr><tr><td class="align_left">Total weight</td><td class="align_center">5600 g</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Weights of the components for a test model.

International Journal of Aerospace Engineering

tab2

Table 2

Table 2: Experimental and Computational Modal Analyses for Launch Vehicle Models considering Liquid Propellant and Flange Joints 