Finite element analysis of ship structures using a new stiffened plate element |
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| Authors: | Y V Satish Kumar M Mukhopadhyay |
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| Institution: | Department of Ocean Engineering and Naval Architecture, Indian Institute of Technology, Kharagpur 721 302, India |
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| Abstract: | A new stiffened plate element is developed for the three-dimensional finite element analysis of ship structures. The plate element can accommodate any number of arbitrarily oriented stiffeners and obviates the use of mesh lines along the stiffeners. The new element provides a very economic global analysis of the complete ship structure with fewer elements and without any loss of accuracy. The global analysis of a rectangular box shaped vessel is carried out with the present element and compared with the general-purpose finite element software NISA. An Offshore Tug/Supply Vessel is analysed for crest at perpendiculars. |
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| Keywords: | Ship Stiffened plate element Stiffener 3D Finite element analysis Allman's triangle Discrete Kirchhoff–Mindlin triangle |
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