Seismic Analysis of a Viscoelastic Damping Isolator

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td align="left">Normal mode</td><td align="center">1</td><td align="center">2</td><td align="center">3</td><td align="center">4</td><td align="center">5</td><td align="center">6</td></tr><tr><td align="center" colspan="7"><hr/></td></tr><tr><td align="left">Natural frequencies (Hz)</td><td align="center">129.5</td><td align="center">134.3</td><td align="center">181.3</td><td align="center">190.0</td><td align="center">195.2</td><td align="center">195.8</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Six fundamental natural frequencies of the VDI.

Advances in Materials Science and Engineering

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Table 2

Table 2: Seismic Analysis of a Viscoelastic Damping Isolator 