The deepwater semi-submersible drilling unit will accept frequently the anchoring of supplying boat during service. Considering the possibility of accident in case of unquiet sea state or other miss-operation, the stern of supply boat may impact to the column of platform. Collision between platform and vessel is a complicated non-linear dynamic response with large impact force in a very short time. The safety criteria require that the structure of drilling unit should resist a collision with certain laver without any sever damage to lose the functionality and general safety of drilling unit. Based on the non-linear finite element method, the approach of predicting dynamic response in the collision process is obtained. Based on structural collision simulation results, the resistance capacity and the safety level of drilling unit against collision by supply boat are evaluated.


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    Title :

    Collision response analysis between deepwater semi-submersible platform and vessel


    Contributors:
    Ji Zeng, (author) / Gang Chen, (author) / Huilong Ren, (author) / Chenfeng Li, (author) / Hao Yu, (author)


    Publication date :

    2011-06-01


    Size :

    2091621 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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