Research on Vibration Fatigue Damage Locations of Offshore Oil and Gas Pipelines Based on the GA-Improved BP Neural Network

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Elastic modulus <i>E</i> (GPa)</td><td class="align_center">Poisson ratio (<i>μ</i>)</td><td class="align_center">Density (<i>ρ</i>) (kg/m<sup>3</sup>)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">206</td><td class="align_center">0.3</td><td class="align_center">7850</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Piping system model material parameters.</div>

Shock and Vibration

tab3

Table 3

Table 3: Research on Vibration Fatigue Damage Locations of Offshore Oil and Gas Pipelines Based on the GA-Improved BP Neural Network 