Research Article
The Tenability of Vibration Parameters of a Sandwich Beam Featuring Controllable Core: Experimental Investigation
Table 4
Vibration parameters of sandwich beam with MR fluid core for free vibration system.
(a) |
| SI number | Magnetic field condition | Natural frequency () (Hz) | Time period Sec | Peak amplitude () | Damped frequency () (Hz) | Damping factor () |
| () | Without MR fluid | | | | | | ( | With MR fluid 0T | | | | | | ( | 0.1 T | | | | | | ( | 0.2 T | | | | | |
|
|
(b) |
| SI number | Loss factor () | Logarithmic decrement () | Quality factor () | Specific damping capacity (Sc) | Displacement resonant frequency (Df) | Acceleration resonant frequency (Af) |
| () | | | | | | | ( | | | | | | | ( | | | | | | | ( | | | | | | |
|
|