Modern Navy and Coast Guard Vessels usually have combined propulsion systems using gas turbines, diesel
engines and electric motors as main propulsors. Desired operating profiles demand for individual
optimization of the gear propulsion system with respect to efficiency, noise, operational flexibility and capital
cost.
Combined systems are complex and therefore sensitive to dynamic excitation and resonance. To avoid
unfavorable dynamic effects, it is necessary to validate candidate arrangements using modern tools like multi
body simulation.
The paper describes the evaluation process for optimized combined marine propulsion systems and system
validation by dynamic simulation. .
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