Dynamic Characteristics of Blade with Viscoelastic Damping Block Based on Complex Eigenvalue Method

<table class="fixed-width table-group" id="tab3"><tr><td><table class="table"><colgroup><col style="width:8.32em"/><col style="width:10.02em"/><col style="width:6.89em"/><col style="width:7.91em"/><col style="width:5.64em"/></colgroup><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Material</td><td class="align_center">Elasticity modulus/Pa</td><td class="align_center">Poisson’s ratio</td><td class="align_center">Density/(kg/m<sup>3</sup>)</td><td class="align_center">Loss factor</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">1Cr11Ni2W2MoV</td><td class="align_center">214 × 10<sup>9</sup></td><td class="align_center">0.3</td><td class="align_center">7800</td><td class="align_center">—</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Material parameters of the blade.</div>

Shock and Vibration

tab3

Table 3

Table 3: Dynamic Characteristics of Blade with Viscoelastic Damping Block Based on Complex Eigenvalue Method 