Influence of Heterogeneous Contact Stiffness and Heterogeneous Friction Coefficient on Frictional Squeal

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class="align_left" rowspan="3">The 1st unstable mode</td><td class="align_center">Dispersion</td><td class="align_center"><object data="https://static.hindawi.com/articles/sv/volume-2018/6379201/figures/6379201.tab-inline.0010a.svgz" name="6379201.tab-inline.0010a" type="image/svg+xml"></object></td><td class="align_center"><object data="https://static.hindawi.com/articles/sv/volume-2018/6379201/figures/6379201.tab-inline.0010b.svgz" name="6379201.tab-inline.0010b" type="image/svg+xml"></object></td><td class="align_center"><object data="https://static.hindawi.com/articles/sv/volume-2018/6379201/figures/6379201.tab-inline.0010c.svgz" name="6379201.tab-inline.0010c" type="image/svg+xml"></object></td></tr><tr><td class="align_center">PD of frequency</td><td class="align_center"><object data="https://static.hindawi.com/articles/sv/volume-2018/6379201/figures/6379201.tab-inline.0010d.svgz" name="6379201.tab-inline.0010d" type="image/svg+xml"></object></td><td class="align_center"><object data="https://static.hindawi.com/articles/sv/volume-2018/6379201/figures/6379201.tab-inline.0010e.svgz" name="6379201.tab-inline.0010e" type="image/svg+xml"></object></td><td class="align_center"><object data="https://static.hindawi.com/articles/sv/volume-2018/6379201/figures/6379201.tab-inline.0010f.svgz" name="6379201.tab-inline.0010f" type="image/svg+xml"></object></td></tr><tr><td class="align_center">PD of real part</td><td class="align_center"><object data="https://static.hindawi.com/articles/sv/volume-2018/6379201/figures/6379201.tab-inline.0010g.svgz" name="6379201.tab-inline.0010g" type="image/svg+xml"></object></td><td class="align_center"><object data="https://static.hindawi.com/articles/sv/volume-2018/6379201/figures/6379201.tab-inline.0010h.svgz" name="6379201.tab-inline.0010h" type="image/svg+xml"></object></td><td class="align_center"><object data="https://static.hindawi.com/articles/sv/volume-2018/6379201/figures/6379201.tab-inline.0010i.svgz" name="6379201.tab-inline.0010i" type="image/svg+xml"></object></td></tr><tr><td class="align_left" colspan="5"><hr/></td></tr><tr><td class="align_left" rowspan="3">The 2nd unstable mode</td><td class="align_center">Dispersion</td><td class="align_center"><object data="https://static.hindawi.com/articles/sv/volume-2018/6379201/figures/6379201.tab-inline.0010j.svgz" name="6379201.tab-inline.0010j" type="image/svg+xml"></object></td><td class="align_center"><object data="https://static.hindawi.com/articles/sv/volume-2018/6379201/figures/6379201.tab-inline.0010k.svgz" name="6379201.tab-inline.0010k" type="image/svg+xml"></object></td><td class="align_center"><object data="https://static.hindawi.com/articles/sv/volume-2018/6379201/figures/6379201.tab-inline.0010l.svgz" name="6379201.tab-inline.0010l" type="image/svg+xml"></object></td></tr><tr><td class="align_center">PD of frequency</td><td class="align_center"><object data="https://static.hindawi.com/articles/sv/volume-2018/6379201/figures/6379201.tab-inline.0010m.svgz" name="6379201.tab-inline.0010m" type="image/svg+xml"></object></td><td class="align_center"><object data="https://static.hindawi.com/articles/sv/volume-2018/6379201/figures/6379201.tab-inline.0010n.svgz" name="6379201.tab-inline.0010n" type="image/svg+xml"></object></td><td class="align_center"><object data="https://static.hindawi.com/articles/sv/volume-2018/6379201/figures/6379201.tab-inline.0010o.svgz" name="6379201.tab-inline.0010o" type="image/svg+xml"></object></td></tr><tr><td class="align_center">PD of real part</td><td class="align_center"><object data="https://static.hindawi.com/articles/sv/volume-2018/6379201/figures/6379201.tab-inline.0010p.svgz" name="6379201.tab-inline.0010p" type="image/svg+xml"></object></td><td class="align_center"><object data="https://static.hindawi.com/articles/sv/volume-2018/6379201/figures/6379201.tab-inline.0010q.svgz" name="6379201.tab-inline.0010q" type="image/svg+xml"></object></td><td class="align_center"><object data="https://static.hindawi.com/articles/sv/volume-2018/6379201/figures/6379201.tab-inline.0010r.svgz" name="6379201.tab-inline.0010r" type="image/svg+xml"></object></td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Dispersions and probability densities of frequencies and real parts of the complex eigenvalues in the unstable region in Case 3.</div>

Shock and Vibration

tab10

Table 10

Table 10: Influence of Heterogeneous Contact Stiffness and Heterogeneous Friction Coefficient on Frictional Squeal 