Global strength analysis using 3D-FEM full extended ship models, in the case of equivalent quasi-static loads from oblique waves
Keywords:
ship 3D-FEM model, global strength, user subroutines and functions, oblique waves.
Abstract
This study focuses on a new numerical method developed for the ships' strength analysis in the case of quasi-static equivalent loads induced by oblique waves, on full 3D-FEM models. The ship-oblique wave equilibrium parameters are obtained by own program P_QSW, using an 1D ship model. The equivalent wave pressure load is applied on the 3D-FEM model by own subroutines and functions. The numerical tests are done on a 97m length offshore barge.
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References
[1]. Bathe, K.J., "Finite Elementen Methoden", Springer Verlag, Berlin, 1990.
[2]. Domnisoru, L., “The finite element method applied in shipbuilding”,Technical Publishing House, Bucharest, 2001.
[3]. Domnisoru, L., Dumitru, D., Ioan, A., "Numerical methods for hull structure strengths analysis and ships service life evaluation, for a LPG carrier", OMAE 15- 20 June 2008, Estoril: 509-518, 2008.
[4]. Domnisoru, L., “Numerical approach for global ship strengths analysis based on 1Dbeam model under oblique equivalent quasistatic wave loads”, The Annals of “Dunarea de Jos” University of Galati, Fascicle XI, Shipbuilding, Galati, 2015 (in press).
[5]. Eyres, D.J., "Ship construction", Butterworth Heinemann, Boston, 2006.
[6]. FNN, Femap NX Nastran Program, 2007.
[7]. Hughes, O.F., "Ship structural design. A rationally based, computer-aided optimization approach", The Society of Naval Architects and Marine Engineering, New Jersey, 2000.
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[2]. Domnisoru, L., “The finite element method applied in shipbuilding”,Technical Publishing House, Bucharest, 2001.
[3]. Domnisoru, L., Dumitru, D., Ioan, A., "Numerical methods for hull structure strengths analysis and ships service life evaluation, for a LPG carrier", OMAE 15- 20 June 2008, Estoril: 509-518, 2008.
[4]. Domnisoru, L., “Numerical approach for global ship strengths analysis based on 1Dbeam model under oblique equivalent quasistatic wave loads”, The Annals of “Dunarea de Jos” University of Galati, Fascicle XI, Shipbuilding, Galati, 2015 (in press).
[5]. Eyres, D.J., "Ship construction", Butterworth Heinemann, Boston, 2006.
[6]. FNN, Femap NX Nastran Program, 2007.
[7]. Hughes, O.F., "Ship structural design. A rationally based, computer-aided optimization approach", The Society of Naval Architects and Marine Engineering, New Jersey, 2000.
[8]. Lehmann, E.,“Guidelines for strength analyses of ship structures with the finite element method”,Germanischer Lloyd's, Hamburg, 2000.
[9]. SWCM,SolidWorks Cosmos/M Program,2007.
[10]. xxx, ABS, BV, DNV-GL, IACS-CSR, Classification Societies Structural Rules, 2010-2015.
Published
2015-12-31
How to Cite
1.
Domnișoru L. Global strength analysis using 3D-FEM full extended ship models, in the case of equivalent quasi-static loads from oblique waves. Annals of ”Dunarea de Jos” University of Galati. Fascicle XI Shipbuilding [Internet]. 31Dec.2015 [cited 24Nov.2024];38:37-6. Available from: https://gup.ugal.ro/ugaljournals/index.php/fanship/article/view/1357
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