Application of Improved Dynamic Substructure Finite Element Model-Based State-Space Techniques in Mistuned Blisks

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ijae/volume-2020/8817531/figures/8817531.fig.003a.svgz" name="8817531.fig.003a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Superelement of disk</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ijae/volume-2020/8817531/figures/8817531.fig.003b.svgz" name="8817531.fig.003b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Contact DOFs between blades and disk</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/ijae/volume-2020/8817531/figures/8817531.fig.003c.svgz" name="8817531.fig.003c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Interfaces of constraint modes</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/ijae/volume-2020/8817531/figures/8817531.fig.003d.svgz" name="8817531.fig.003d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Main modal</td></tr><tr class="fig-image" id="e"><td><object data="https://static.hindawi.com/articles/ijae/volume-2020/8817531/figures/8817531.fig.003e.svgz" name="8817531.fig.003e" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(e) </b>Reduced-order FEM</td></tr></table>

<div>Improved dynamic substructure FEM of mistuned blisk.</div>

International Journal of Aerospace Engineering

fig3

Figure 3

Figure 3: Application of Improved Dynamic Substructure Finite Element Model-Based State-Space Techniques in Mistuned Blisks 