Primary mode amplitude ratio

$A_{12}/A_{11}$

0.689

Secondary amplitude ratio

$A_{22}/A_{21}$

−2.014

Primary mode angular frequency (rad/s)

${\omega }_1$

3.81

Secondary mode angular frequency (rad/s)

${\omega }_2$

8.43

Primary mode modal damping factor(1/m)

$c_1$

0.586

Primary mode modal damping factor(1/m⁾

$c_2$

0.547