Lower bound limit loads of ship structure components using the mα-tangent method based on single linear elastic analysis |
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| Authors: | SL Mahmood R Seshadri |
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| Institution: | Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John’s, NL, Canada A1B 3X5 |
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| Abstract: | Limit loads for ship structure components are determined in this paper based on a single linear elastic finite element analysis by invoking the concept of kinematically active reference volume in conjunction with the mα-tangent method. The method enables rapid determination of lower bound limit loads for ship structure components by taking their kinematically inactive volume into consideration. This method is applied to a number of ship structure components possessing different percentages of inactive volume. Results are compared with the corresponding inelastic finite element results, and available analytical solutions. |
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| Keywords: | Ship structures Limit loads Limit load multipliers Approximate methods |
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