Vessel superstructure vibration analysis Vibration analysis Eigenvalue analysis of ship superstructure using Femap/NX Nastran Software. Detailed simulation of 3 top decks and mast construction. FE mesh The vibrations indicated below: 2.407 Hz2.557 Hz 3.515 Hz5.982 Hz6.134 Hz6.553 Hz 11.462 Hz15.119 Hz17.683 Hz19.816 Hz Please enable JavaScript in your browser to complete this form.Your name *Email *Phone (or another contact method convenient for you)Feel free to ask us anything! *NameSend