A Modified Time Reversal Method for Guided Wave Detection of Bolt Loosening in Simulated Thermal Protection System Panels

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">Case number</td><td class="align_center">1</td><td class="align_center">2</td><td class="align_center">3</td><td class="align_center">4</td><td class="align_center">5</td><td class="align_center">6</td></tr><tr><td class="align_left">Loosened bolt</td><td class="align_center">Bolt 1</td><td class="align_center">Bolt 2</td><td class="align_center">Bolt 3</td><td class="align_center">Bolts 1 and 2</td><td class="align_center">Bolts 2 and 3</td><td class="align_center">Bolts 1 and 3</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Bolt loosening conditions for each bracket.</div>

Complexity

tab1

Table 1

Table 1: A Modified Time Reversal Method for Guided Wave Detection of Bolt Loosening in Simulated Thermal Protection System Panels 