Additional, in "MARPOL Reg 12a" the demand of Double Hull Protection for fuel oil tank, increases the difficulty of structure design for engine room.
加之MARPOL12A条款要求对燃油舱设置双壳保护，给机舱的结构设计增加了难度。
Fourthly, by analyzing the transition structure models of cylindrical hull, the double arcs transition model is put forward, and the calculation results indicate that the new transition model is well.
分析潜艇耐压船体过渡段结构型式，提出了双圆弧式过渡段，并对其结构强度进行计算研究。
Based on the optimization modal in ANSYS, the structural design for the portal framed structure of a double-hull sand dredge was optimized.
基于有限元分析软件ANSYS中的优化技术，采用零阶优化方法对双体采砂船门型架结构进行优化设计。
The results indicate that if introducing the double-hull board side structure, the shearing stress will be greatly decreased, while the effects on improvi…
最后分析了双舷侧宽度对极限弯矩和最大剪应力的影响，提出了选取双舷侧宽度值的建议。
The results indicate that if introducing the double-hull board side structure, the shearing stress will be greatly decreased, while the effects on improvi…
最后分析了双舷侧宽度对极限弯矩和最大剪应力的影响，提出了选取双舷侧宽度值的建议。
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