A Comprehensive Optimization Design Method of Aerodynamic, Acoustic, and Stealth of Helicopter Rotor Blades Based on Genetic Algorithm

<table class="fixed-width table-group" id="tab6"><tr><td><table class="table"><colgroup><col style="width:5.60em"/><col style="width:3.58em"/><col style="width:3.76em"/><col style="width:3.78em"/><col style="width:3.79em"/><col style="width:3.64em"/><col style="width:4.12em"/><col style="width:4.15em"/><col style="width:4.15em"/></colgroup><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr><td class="align_left">Variables</td><td class="align_center"><span style="width: 12.3403ptpx;"><svg height="12.4046pt" id="M115" style="vertical-align:-3.18154pt" version="1.1" viewbox="-0.0498162 -9.22306 12.3403 12.4046" width="12.3403pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><rect height="0.65243" width="7.29424" x="0" y="-8.52081"></rect><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M536 404C536 423 520 448 491 448C445 448 398 404 308 283L286 338C255 416 242 448 217 448C182 448 138 402 92 341L111 321C149 368 169 378 178 378C188 378 198 363 214 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class="align_left">Initial</td><td class="align_center">0.177</td><td class="align_center">0.1458</td><td class="align_center">0.1462</td><td class="align_center">0.1445</td><td class="align_center">-0.177</td><td class="align_center">-0.1458</td><td class="align_center">-0.1462</td><td class="align_center">-0.1445</td></tr><tr><td class="align_left">Optimized</td><td class="align_center">0.1173</td><td class="align_center">0.1563</td><td class="align_center">0.1224</td><td class="align_center">0.1956</td><td class="align_center">-0.116</td><td class="align_center">-0.1022</td><td class="align_center">-0.1886</td><td class="align_center">-0.1633</td></tr><tr class="table-tr"><td colspan="9"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The comparison of the initial design variables and the optimized design variables for C-T rotor.</div>

Mathematical Problems in Engineering

tab6

Table 6

Table 6: A Comprehensive Optimization Design Method of Aerodynamic, Acoustic, and Stealth of Helicopter Rotor Blades Based on Genetic Algorithm 