Evaluation and control of induced vibrations for a passenger car ferry

  • Octavian Neculet NASDIS Consulting SRL.
  • Liviu Crudu “Dunarea de Jos” University of Galati
Keywords: vibrations, forced vibrations, passenger-car ferry.


The aim of this paper is to present some examples related to the evaluation of the level of the global forced vibrations and to highlight the possible vibration problems of the ship. The calculation of the vibration level is based on Lloyd’s Register’s guidelines and other international standards. The hull structure has been considered using 3-D global FEM model. The dynamic linear analysis (displacements, velocities and accelerations) has been performed by NX Nastran for Windows using FEMAP as interactive graphic software program, pre and postprocessor designed for calculation codes using the finite element method. The calculations have been performed for a passenger and vehicle ferry, double-ended vessel, with boarding ramps at both ends.


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[1]. Lloyd’s Register, Rules and Regulations for the Classification of Ships, July 2012, incorporating Notice No. 1, 2, 3, 4 & 5.
[2]. Bureau Veritas - Building and Operation of Vibration-Free Propulsion Plants and Ships, NR 207 SMS E, November 1987.
[3]. DNV – Prevention of harmful vibration in ships, July 1983.
[4]. The Society of Naval Architects and Marine Engineers - Guidelines for Prevention of Excessive Ship Vibration, November, 1980.
[5]. ABS – Guidance Notes on Ship Vibration, April, 2006.
How to Cite
Neculet O, Crudu L. Evaluation and control of induced vibrations for a passenger car ferry. Annals of ”Dunarea de Jos” University of Galati. Fascicle XI Shipbuilding [Internet]. 31Dec.2015 [cited 25Nov.2020];38:213-8. Available from: https://www.gup.ugal.ro/ugaljournals/index.php/fanship/article/view/1409

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