Experimental and Numerical Investigation of Stepped Planing Hulls in Finding an Optimized Step Location and Analysis of Its Porpoising Phenomenon

<table class="table-group" id="tab11"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Grid accumulation</td><td class="align_center">Num. mesh × 10<sup>5</sup></td><td class="align_center">Numerical drag (<i>N</i>)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Coarse</td><td class="align_center">8</td><td class="align_center">130.4</td></tr><tr><td class="align_left">Medium</td><td class="align_center">17</td><td class="align_center">136</td></tr><tr><td class="align_left">Fine</td><td class="align_center">20</td><td class="align_center">136.36</td></tr><tr><td class="align_left" rowspan="2">Difference percentage</td><td class="align_center">Coarse to medium</td><td class="align_center">4%</td></tr><tr><td class="align_center">Medium to fine</td><td class="align_center">0.2%</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Difference percentage of hydrodynamic criteria by change in mesh resolution.</div>

Mathematical Problems in Engineering

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Table 11

Table 11: Experimental and Numerical Investigation of Stepped Planing Hulls in Finding an Optimized Step Location and Analysis of Its Porpoising Phenomenon 

Table 11 | Experimental and Numerical Investigation of Stepped Planing Hulls in Finding an Optimized Step Location and Analysis of Its Porpoising Phenomenon 