双体船连接桥结构强度的简化计算

双体船的连接桥结构强度是设计时需要重点考虑的问题,采用全船有限元法来分析计算要耗费大量的时间。将连接桥结构简化为一种梁模型,采用简化解析计算方法来分析其扭转强度和横向强度,并与实船的全船有限元法的对比分析结果表明：简化模型和计算方法是可行的,可应用于双体船初步设计阶段,估算连接桥的结构强度,指导结构设计。

Simplified Calculation of Catamaran Cross-Deck Structural Strength

Strength calculations of cross-deck structure are primary considerations in the catamaran design.However it may consume a great deal of time to compute the whole ship using Finite Element Method（FEM）.A simplified beam model of cross-deck structure was established for torsional and transversal moment calculation by analytic method.The calculated results were then compared with those gotten by the whole ship FEM.It indicates that the simplified model and calculation method can be used to evaluate the strength of cross-deck structure in preliminary design stage.