The Cross-Scale Life Prediction for the High-Speed Train Gearbox Shell Based on the Three-Interval Method

<table class="table-group" id="tab9"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Number of cycles N</td><td class="align_center">Absolute error Δ</td><td class="align_center">Relative error <i>δ</i></td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Fatigue test</td><td class="align_center">135958</td><td class="align_center">—</td><td class="align_center">—</td></tr><tr><td class="align_left">Cross-scale method</td><td class="align_center">159068</td><td class="align_center">23110</td><td class="align_center">16.99%</td></tr><tr><td class="align_left">Finite element simulation</td><td class="align_center">177500</td><td class="align_center">41542</td><td class="align_center">30.54%</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison between the cross-scale method and the finite element method.</div>

Scientific Programming

tab9

Table 9

Table 9: The Cross-Scale Life Prediction for the High-Speed Train Gearbox Shell Based on the Three-Interval Method 