Study on the Axial Compression Postbuckling Similitude Model of the Stiffened Cylindrical Shell with Dimple Imperfections

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="11"><hr/></td></tr><tr class="thead"><td class="align_center" colspan="2">Material parameters</td><td class="align_center" colspan="3">Geometric parameters of skin (m)</td><td class="align_center" colspan="6">Stiffeners parameters</td></tr><tr class="thead"><td class="align_left">E (GPa)</td><td class="align_center">μ</td><td class="align_center">Rm</td><td class="align_center">Lm</td><td class="align_center">tm</td><td class="align_center">hsm (mm)</td><td class="align_center">tsm (mm)</td><td class="align_center">Nsm</td><td class="align_center">hrm (mm)</td><td class="align_center">trm (mm)</td><td class="align_center">Nrm</td></tr><tr><td class="thead-hr" colspan="11"><hr/></td></tr><tr><td class="align_left">72.40</td><td class="align_center">0.3</td><td class="align_center">0.24257</td><td class="align_center">0.60885</td><td class="align_center">0.00127</td><td class="align_center">3.8354</td><td class="align_center">2.4384</td><td class="align_center">60</td><td class="align_center">3.8354</td><td class="align_center">2.4384</td><td class="align_center">24</td></tr><tr class="table-tr"><td colspan="11"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div>Note. t-skin thickness, hr and hs-height of rectangular stiffeners, tr and ts-thickness of rectangular stiffeners, and Nr and Ns-number of stiffeners. </div></td></tr></table>

<div>Parameters of the completely similar model of the longitudinal-ring stiffened cylindrical shell.</div>

Advances in Civil Engineering

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Table 4

Table 4: Study on the Axial Compression Postbuckling Similitude Model of the Stiffened Cylindrical Shell with Dimple Imperfections 