Global strength analysis in head waves of an FSO unit, based on user subroutines technique
Keywords:
FSO global strength, 3D-FEM, equivalent head wave loads, FSO unit.
Abstract
For the analysis of the FSO global strength, the modern approaches are based on FEM models developed over the ship length with equivalent wave loads. This paper presents the global strength analysis in head waves of an FSO unit for oil storage and off-loading. The head wave and FSO ship system equilibrium is obtained by own user subroutines, package Eq_Trim, implemented as API codes in the Femap program. The numerical results are assessed by the yielding stress ratio criterion, pointing out the structural parts that have to be improved in the design process.
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References
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[3]. Costache, M., Jagite, M., "Global Strength Analysis in Head Waves, for a Support Vessel", Asian Journal of Applied Science and Engineering (AJASE), Vol 3, No 4(8), 2014: 73-88.
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[2]. CSR,"Common Structural Rules for Bulk Carriers and Oil Tankers", IACS, January 2015.
[3]. Costache, M., Jagite, M., "Global Strength Analysis in Head Waves, for a Support Vessel", Asian Journal of Applied Science and Engineering (AJASE), Vol 3, No 4(8), 2014: 73-88.
[4]. Domnisoru, L., “Structural analysis and hydroelasticity of ships”, University Foundation Publishing House, Galati, 2006.
[5]. Eyres, D.J., "Ship construction", Butterworth Heinemann, Boston, 2006.
[6]. FleetMon, "Vessel Database all over world", 2014, https://www.fleetmon.com/en/vessels.
[7]. FNN, "Femap NX Nastran User's Manual", Siemens PLM Software UGS, 2007.
[8]. ISSC, "The 18th International Ship and Offshore Structures Congress", (Ed. Wolfgang Fricke, Robert Bronsart),
Committee II.1 Quasi-static Response, Chapter 3, Volume 1, pp.151-212, 9-13 September 2012, Rostock, Germany.
[9]. ISSC, "The 19th International Ship and Offshore Structures Congress, (Ed. Carlos Guedes Soares, Yordan Garbatov), Committee II.1 Quasi-static Response, Chapter 3, Volume 1, pp.144-207,7–10 September 2015, Cascais, Portugal.
[10]. SWCM, "SW Cosmos/M User's Manual", SolidWorks SRAC 2007.
Published
2015-12-31
How to Cite
1.
Jagite G, Domnișoru L. Global strength analysis in head waves of an FSO unit, based on user subroutines technique. Annals of ”Dunarea de Jos” University of Galati. Fascicle XI Shipbuilding [Internet]. 31Dec.2015 [cited 27Dec.2024];38:107-14. Available from: https://gup.ugal.ro/ugaljournals/index.php/fanship/article/view/1392
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