This work reviews the ultimate compressive strength of aluminium plates and stiffened panels.The effect of boundary condition,initial imperfection,welding-induced residual stress and heat-affected zone are discussed.A...This work reviews the ultimate compressive strength of aluminium plates and stiffened panels.The effect of boundary condition,initial imperfection,welding-induced residual stress and heat-affected zone are discussed.As the effect of manufacturing technology lacks in the literature,this effect is analysed employing the finite element method,considering the technology of welding and integrated extrusion.The numerical analyses have shown that the ultimate strength of the integrated extruded stiffened panel is relatively higher than the one of the traditional welded panel.展开更多
The residual strength capacity of ship hull with full corrosion appearance in every structural member has been considered in a large number of research works;however,the influence of local corrosion on the ultimate st...The residual strength capacity of ship hull with full corrosion appearance in every structural member has been considered in a large number of research works;however,the influence of local corrosion on the ultimate strength and cross-section properties has not been taken into account and analyzed.Hence,this study aims to assess the effect of corrosion appearance in the flange section and web section on the ultimate vertical bending moment and several cross-section properties of a bulk carrier.To perform this task,a probabilistic corrosion rate estimation model and the common structural rule model are introduced and employed.The incremental-iterative method given by the International Association of Classification Societies-Common Structural Rules(IACS-CSR)is applied to determine the ultimate vertical bending moment,neutral axis position at the limit state,and other properties of the cross-section.The calculation results and discussions relative to the effect of corrosion on ship hull are presented.展开更多
The present paper presents a historical review associated with the research works on hull girder strength of ship and ship-shaped structures.Then,a new program is developed to determine the ultimate vertical bending m...The present paper presents a historical review associated with the research works on hull girder strength of ship and ship-shaped structures.Then,a new program is developed to determine the ultimate vertical bending moment of hull girder by applying direct method,stress distribution method,and progressive collapse analysis method.Six ships and ship-shaped structures used in the benchmark study of International Ship and Offshore Structures Congress(ISSC) in 2012 are adopted as examples.The calculation results by applying the developed program are analyzed and compared with the existing results.Finally,the roles of the developed program and its further development are discussed.展开更多
基金This work is supported by the“National Natural Science Foundation of China(Grant No.51709212)”This work also contributes to the Strategic Research Plan of the Centre for Marine Technology and Ocean Engineering,which is financed by the Portuguese Foundation for Science and Technology(Fundação para a Ciência e Tecnologia-FCT)under contract UIDB/UIDP/00134/2020.
文摘This work reviews the ultimate compressive strength of aluminium plates and stiffened panels.The effect of boundary condition,initial imperfection,welding-induced residual stress and heat-affected zone are discussed.As the effect of manufacturing technology lacks in the literature,this effect is analysed employing the finite element method,considering the technology of welding and integrated extrusion.The numerical analyses have shown that the ultimate strength of the integrated extruded stiffened panel is relatively higher than the one of the traditional welded panel.
文摘The residual strength capacity of ship hull with full corrosion appearance in every structural member has been considered in a large number of research works;however,the influence of local corrosion on the ultimate strength and cross-section properties has not been taken into account and analyzed.Hence,this study aims to assess the effect of corrosion appearance in the flange section and web section on the ultimate vertical bending moment and several cross-section properties of a bulk carrier.To perform this task,a probabilistic corrosion rate estimation model and the common structural rule model are introduced and employed.The incremental-iterative method given by the International Association of Classification Societies-Common Structural Rules(IACS-CSR)is applied to determine the ultimate vertical bending moment,neutral axis position at the limit state,and other properties of the cross-section.The calculation results and discussions relative to the effect of corrosion on ship hull are presented.
文摘The present paper presents a historical review associated with the research works on hull girder strength of ship and ship-shaped structures.Then,a new program is developed to determine the ultimate vertical bending moment of hull girder by applying direct method,stress distribution method,and progressive collapse analysis method.Six ships and ship-shaped structures used in the benchmark study of International Ship and Offshore Structures Congress(ISSC) in 2012 are adopted as examples.The calculation results by applying the developed program are analyzed and compared with the existing results.Finally,the roles of the developed program and its further development are discussed.
