Bow door slamming of Ro/Ro ferries |
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| Institution: | 1. The University of Naples “Federico II”, Department of Industrial Engineering, Via Claudio 21, 80125 Naples, Italy;2. The University of Naples “Parthenope”, Department of Science and Technology, Centro Direzionale Isola C4, 80143 Naples, Italy;1. Division of Engineering Materials, Department of Management and Engineering, Linköping University, SE-58183 Linköping, Sweden;2. Division of Solid Mechanics, Department of Management and Engineering, Linköping University, SE-58183 Linköping, Sweden;3. Scania CV AB, Materials Technology, SE-15187 Södertälje, Sweden;1. Faculty of Navigation, Gdynia Maritime University, Al. Jana Pawla II 3, 81-345, Gdynia, Poland;2. Enamor Ltd., Inzynierska 1, 81-512, Gdynia, Poland;3. The Foundation for Safety of Navigation and Environment Protection, Chrzanowskiego 36, 80-278, Gdansk, Poland |
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| Abstract: | This paper addresses the structural response of clam-type bow doors of Ro/Ro vessels under slamming loading conditions. The structural analysis is performed with the finite element code MSC/NASTRAN. The loading conditions were determined on the basis of towing tank tests, numerical calculation and regulations of classification societies. Slamming loads are applied statically and the FE code accounts for both material and geometrical nonlinearities. Apart from stress distributions, which are determined for different loading patterns, the results are used to calculate the forces and moments induced on the locking and securing elements, which secure the doors among themselves and the doors to the bow structure. The modelling methods reported may be used for the finite element analysis of similar structures. Such analyses of bow doors response under slamming loading could be submitted to classification societies for approval. |
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