Finite Element Model Updating of Satellite Sailboard Based on Sensitivity Analysis

<table class="table-group" id="tab8"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Frequency range (Hz)</td><td class="align_center">Power spectral density</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">20–100</td><td class="align_center">3 dB/oct</td></tr><tr><td class="align_left">100–600</td><td class="align_center">0.1 g<sup>2</sup>/Hz</td></tr><tr><td class="align_left">600–2000</td><td class="align_center">−9 dB/oct</td></tr><tr><td class="align_left">Total root mean square value (<i>G</i><sub>RMS</sub>)</td><td class="align_center">9.648</td></tr><tr><td class="align_left">Loading direction</td><td class="align_center"><i>X</i>, <i>Y</i>, <i>Z</i></td></tr><tr><td class="align_left">Time</td><td class="align_center">1 min per direction</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Loading conditions for random vibration excitation.</div>

Shock and Vibration

tab8

Table 8

Table 8: Finite Element Model Updating of Satellite Sailboard Based on Sensitivity Analysis 