CAJ | 학술논문

利用Patran/Dytran有限元分析软件,建立了某渔船与码头碰撞的有限元模型,并模拟其碰撞全过程.通过对渔船与码头之间的碰撞力变化、能量转化、损伤变形以及等效应力等情况进行分析,得出了渔船与码头碰撞的一般规律和特点.针对碰撞中渔船船首构件的吸能损伤特性进行了研究,得出渔船船首构件的吸能与失效具有先后顺序,并且渔船船首外板是主要的吸能构件,从而为后期渔船船首结构的耐撞性设计与渔船的海损评估提供参考.
이용Patran/Dytran유한원분석연건,건립료모어선여마두팽당적유한원모형,병모의기팽당전과정.통과대어선여마두지간적팽당력변화、능량전화、손상변형이급등효응력등정황진행분석,득출료어선여마두팽당적일반규률화특점.침대팽당중어선선수구건적흡능손상특성진행료연구,득출어선선수구건적흡능여실효구유선후순서,병차어선선수외판시주요적흡능구건,종이위후기어선선수결구적내당성설계여어선적해손평고제공삼고.
Using Patran/Dytran finite element analysis software, the finite element models for a fishing vessel and wharf collision are established, and the whole process of collision is simulated. Through analyzing the collision force variation, energy transformation, damage deformation and equivalent stress between the fishing vessel and the wharf, the general pattern and characteristics of the collision are obtained. The energy absorption characteristics of fishing vessel bow structures are studied, and it is discovered that there is an order between bow structure energy absorption and failure; moreover, the fishing vessel bow shell plate is the main energy absorption component. The result may provide reference for the bow structure impact resistance design and damage evaluation of fishing vessels.