Vibration isolation for deck-mounted superstructures: applied to cutter suction dredgers

The majority of Cutter Suction Dredge (CSD) vessels (Figure 1) is equipped with rubber isolators for Operator Cabin (OC) vibration reduction. A small number of vessels is equipped with expensive gas springs. Of the vessels that have been equipped with rubber isolators, a number is experiencing large vibrations caused by what is assumed resonance...