Simulation on progressive collapse behaviour of whole ship model under extreme waves using idealized structural unit method |
| |
| Affiliation: | 1. Key Laboratory of High Performance Ship Technology of Ministry of Education, School of Transportation, Wuhan University of Technology, Wuhan, Hubei Province, PR China;2. Graduate School of Engineering, Osaka University, Suita, Osaka, Japan;3. Graduate School of Engineering, Hiroshima University, Higashi-hiroshima, Hiroshima, Japan;4. Design Department, Tsuneishi Shipbuilding Co., Ltd, Fukuyama, Hiroshima, Japan;1. ANAST, University of Liège, Chemin des Chevreuils 1 (B52/3), 4000 Liège, Belgium;2. Faculty of Marine Technology, Amirkabir University of Technology, Tehran 15914, Iran;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. School of Marine Science and Technology, Newcastle University, UK;2. Lloyds Register Asia, Technology Group, South Korea;1. Graduate School of Engineering, Hiroshima University, Higashi-hiroshima 739-8527, Japan;2. Graduate School of Science and Engineering, Ehime University, Japan;3. Nippon Kaiji Kyokai, Japan;4. Graduate School of Engineering, Osaka University, Japan;5. Tsuneishi Shipbuilding Company Ltd., Japan |
| |
| Abstract: | To ensure the safety of navigating ship, working loads and structural load-carrying capacity are two important aspects. In the present paper, a total simulation system combing load calculation and structural collapse analysis is applied to simulate progressive collapse behaviour of a single-hull Kamsarmax type bulk carrier. A three dimensional singularity distribution method is adopted to calculate pressure distribution with time history. A mixed structural model, collapse part simulated by ISUM elements and remaining part by elastic FEM elements with relative coarse mesh, is proposed for collapse analysis. Progressive collapse behaviour obtained by ISUM is good agreement with that by nonlinear software package, MARC. However, the calculation time of ISUM analysis is about 1/70 of MARC analysis. The applicability to structure system, high accuracy and sufficient efficiency of ISUM had been demonstrated. |
| |
| Keywords: | Progressive collapse analysis Ultimate hull girder strength Load/motion analysis Pressure distribution Nonlinear FEM Three dimensional singularity distribution method ISUM (idealized structural unit method) Hydro-elastoplasticity |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
