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Title : Full Scale Ship Collision Simulation Using ANSA & μETA
Company : BETA CAE Systems SA
File Name : ship_collision_simulation.pdf
Size : 381303
Type : application/x-unknown
Date : 19-Nov-2011
Downloads : 8

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The continuous increase in maritime traffic makes the risk of collision greater, especially in the high traffic areas near harbors, channels and offshore structures. Since the consequences of ship collisions can be severe for the environment and the ship's crew, the behavior of a ship's structure subjected to impact loads, must be taken into consideration in the design stage of a ship. Collision mechanics are usually separated into external dynamics and internal mechanics. External dynamics deals with the rigid body global motion of the vessel and the effect of the surrounding water, while the internal mechanics is concerned with the structural failure response. This paper presents a collision scenario between two handymax class double skin bulk carriers, in which the external dynamics have been neglected in order to simplify the analysis and reduce model run times. The finite element model has been created in ANSA and solved in LS-DYNA while the results were presented in μETA post-processor. ANSA and μETA comprise the pre- & post-processing suite of BETA CAE Systems S.A. .
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