FEM frequency analysis of the navigation mast of an ASD tug
Keywords:
FEM, tug, natural frequency, Fourier transform.
Abstract
In this paper the natural frequency of the navigation mast has been calculated with the aid of the Finite Element Analysis. The calculated natural frequencies are compared to the dominant excitation frequencies. The purpose of the analysis is to have a margin of 15-20% between the natural frequency and the excitation frequencies.
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References
[1]. F. Palade, A.G. Cristea, “Stress and buckling analysis for towing hook aft and towing bit aft”, Proceedings of TEAM 2015, 7th International Scientific and Expert Conference TEAM, Technique, Education, Agriculture & Management, Belgrade, October 15-161,ISBN 978-86-7083-877- 2, p.101-106.
[2]. „How Pygmy Tuboats Dock a Giant Liner,“ Popular Science Monthly, March 1930, p. 22-23.[Online].Available: https://books.google.ro/books?id=HCoDAA AAMBAJ&pg=PA22&dq=1930+plane+%2 2Popular&hl=en&ei=bfiPTsNGInE0AHC_4k_&sa=X&oi=book_result&ct=result#v=
onepage&q=1930%20plane%20%22Popular&f=false
[3]. Bureau Veritas, Rules for the Classification of Steel Ships.
[4]. Thorndike, Virginia L. On Tugboats:Stories of Work and Life Aboard. Down East Books. pp. 14–16. ISBN 0-89272-565-6, 2004.
[5]. Thoresen, Carl A. Port Designer's Handbook: Recommendations and guidelines. Thomas Telford Books. p. 116. ISBN 0-7277-3228-5, 2003.
[2]. „How Pygmy Tuboats Dock a Giant Liner,“ Popular Science Monthly, March 1930, p. 22-23.[Online].Available: https://books.google.ro/books?id=HCoDAA AAMBAJ&pg=PA22&dq=1930+plane+%2 2Popular&hl=en&ei=bfiPTsNGInE0AHC_4k_&sa=X&oi=book_result&ct=result#v=
onepage&q=1930%20plane%20%22Popular&f=false
[3]. Bureau Veritas, Rules for the Classification of Steel Ships.
[4]. Thorndike, Virginia L. On Tugboats:Stories of Work and Life Aboard. Down East Books. pp. 14–16. ISBN 0-89272-565-6, 2004.
[5]. Thoresen, Carl A. Port Designer's Handbook: Recommendations and guidelines. Thomas Telford Books. p. 116. ISBN 0-7277-3228-5, 2003.
Published
2015-12-31
How to Cite
1.
Palade F, Mocanu CI. FEM frequency analysis of the navigation mast of an ASD tug. Annals of ”Dunarea de Jos” University of Galati. Fascicle XI Shipbuilding [Internet]. 31Dec.2015 [cited 24May2025];38:89-4. Available from: https://www.gup.ugal.ro/ugaljournals/index.php/fanship/article/view/1389
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