[目錄] Chapter 1Introduction to marine structural design 1
1.1The traditional design method 1 1.1.1The evolutionary process 1 1.1.2A ship structural design example 1 1.1.3The changes to the traditional design method 5 1.2The modern design method 6 1.2.1The first principles based approach 6 1.2.2The design procedure 7 1.2.3Benefits of the modern approach 10
Chapter 2Marine structural design fundamentals 12 2.1Structural arrangement design 12 2.1.1Subdivision arrangement 12 2.1.2Compartment arrangement 14 2.1.3Access arrangement 14 2.2Structural materials 16 2.2.1Introduction to materials 16 2.2.2Standard steels used for hull and other structure 18 2.2.3High strength steel used for hull and other structures 20 2.2.4Selection for steel grades 22 2.2.5Other ship materials 24 2.2.6An example of ship materials used for a dredging barge 26 2.3Welding 27 2.3.1The base types of welding joints 28 2.3.2The base types of welding line 30 2.3.3Stud welding 30 2.3.4The determination of the weld size 32 2.3.5A welding design example 37 2.4Classification societies and their rules 39 2.4.1Classification societies 39 2.4.2Class rules, regulations and guides 44
Chapter 4Marine structural initial design 64 4.1Hull girder strength and shearing strength 64 4.2Hull structural members design 67 4.2.1Plating design 67 4.2.2Longitudinals and girders design 70 4.2.3Bulkhead design 73 4.3An example of hull structural members designpillar design 76 4.3.1Basic design of pillars 76 4.3.2Some requirements for the pillars in rules 88 4.3.3Regulations of pillars on different types of ships 97 4.4Superstructure design 98 4.4.1The interaction between the superstructure and the main hull 98 4.4.2The design of superstructures 103 4.4.3The failure of superstructures and prevention measures 109 4.5Introduction to structures of various kinds of ships 111 4.5.1Oil tankers 111 4.5.2Bulk carriers 123 4.5.3Container ships 146
Chapter 5Marine structural design analysis 156 5.1Total strength assessment 156 5.1.1Yielding strength 156 5.1.2Buckling and ultimate strength 156 5.1.3Fatigue strength 157 5.2Strength criteria 158 5.2.1General introduction 158 5.2.2Yielding criteria 159 5.2.3Buckling and ultimate strength criteria 161 5.2.4Fatigue criteria 164 5.3Finite element analysis 166 5.3.1The developmental history of the finite element analysis 166 5.3.2The basic idea of the finite element method 167 5.3.3A finite element analysis example — a 75,000 DWT bulk carrier 170 5.4Spectral fatigue analysis of ship structures 178 5.5The transverse strength analysis of a ship 193 5.5.1Setting the design load 194 5.5.2Simplification of members geometry size 194 5.5.3Simplification of the frame supporting conditions 195 5.5.4Modeling the structure processing 196 5.5.5Modeling the loads 196 5.5.6Building the finite element model for the ship structures 197
Chapter 6Marine structural design optimization 198 6.1The introduction to the optimization 198 6.2The categorization methods for optimization problems 199 6.2.1Continuous versus discrete optimization 199 6.2.2Constrained and unconstrained optimization 200 6.2.3Global and local optimization 201 6.2.4Deterministic and stochastic optimization 201 6.3An example — the optimization of stiffened panels 202 6.3.1Introduction to stiffened plates 202 6.3.2The numerical solution method for a stiffened panel 203 6.3.3Summarization 224 6.4Another example — the optimization of a T -bar 225 6.4.1The problem raised and the model established 225 6.4.2Analytical solution method 228 6.4.3Finite element analysis solution method 230 6.4.4Comments on each solution method 233 References 234
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