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Isolation of Vibration
Isolation of Shock
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acoustical impedance amplitude axis becomes calculated center of gravity Chapter chassis components compression coordinate coupled modes coupled natural frequencies cycle damping ratio decoupled decreases determined dimensionless direction durometer element energy engine equal equation of motion force applied force F force transmitted force-deflection curve forcing frequency frequency ratio function given by equation horizontal illustrated in Figure impulse inch increases indicated inertia forces internal combustion engine kx/ky linear isolator load loom machine magnitude mass mz maximum acceleration experienced maximum deflection maximum displacement modes of vibration mounted body mounted equipment numerical operation plane principal elastic axes punch press quency radius of gyration relatively resonance respect result rigid body rotational Section shear shock isolators shown in Figure single-degree-of-freedom system snubber static deflection Substituting thickness tion transmissibility undamped unsprung weight velocity change velocity shock vertical natural frequency vibration and shock vibration isolation viscous damping weight