Structure Analysis Of Stress, Buckling And Fatigue Based On CSR

Each principal classification societies in the world has their own direct calculation methods and strength standard for hull structural strength newadays. It makes the evaluation of a ship design scheme becomes not propitious, the aims of their current modes become not clear, and the degree of risk acceptance becomes different. Therefore, the International Association of Classification Societies(IACS) advanced a suit of common rules for the structural dimension of bulk carriers in 2006, i.e. CSR Rules. It is important for the ship designers in China to study and hold this new rule in order to advance ship design level and to enter international market.The aim of this paper is trying to make some deep researches about the CSR Rules for bulk carriers, through the direct calculation of finite element. The following is my main work:Firstly, it is given a general idea about direct calculation of Bulk Carrier part in CSR Rules.Secondly, the structureal yield strength of a 20000 DWT single hull Bulk Carrier is analyzed and checken through finite element direct calculation.Then, though the dividing of elementary plate panel, the buckling strength is analyzed and checken for main structural members of the ship based on the aboved calculation.At last, the fatigue strength of the local structure of the ship is analyzed and checken using sophisticated original finite elements analysis model.It indicates that the CSR Rule of IACS is safe, reasonable, reliable and high manipulity according to our analysis and comparison. The calculation results will provide some references to design hull structure of Bulk Carrier.