buckling of ship structures


Mohamed Shama
18.9 Mb

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   This book addresses one of the most important problems of ship construction - buckling of hull structures. It is known that the strength members of the hull girder are subjected to several types of stresses. Bottom plating of ship structure are subjected to additional local bending stresses induced by the external water pressure. This complex system of stresses when compounded over the thickness or cross section of a strength member could produce unacceptable high values of equivalent stresses. Because of the hostile and corrosive environment of ship operation, the strength of ship hull girder and its structural members deteriorate with time coupled with the possibility of occurrence of overloading, these strength members may fail to perform satisfactorily. Buckling of ship strength members represent one of the main modes of ship structure failure. Because the use of the finite element method is more costly and time consuming, the introduction of simplified methods to improve design of ship strength members is always welcome. In order to achieve this goal, a comprehensive analysis is given for the determination of the compound stresses induced by the various types of loadings imposed on the different strength members of ship structure...

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