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首页> 外文会议>ASME international conference on ocean, offshore and arctic engineering >FINITE ELEMENT ANALYSIS OF LONGITUDINAL BENDING COLLAPSE OF CONTAINER SHIP CONSIDERING BOTTOM LOCAL LOADS
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FINITE ELEMENT ANALYSIS OF LONGITUDINAL BENDING COLLAPSE OF CONTAINER SHIP CONSIDERING BOTTOM LOCAL LOADS

机译：考虑底部局部荷载的集装箱船纵向弯曲破坏的有限元分析。

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The purpose of this research is to clarify the effect of bottom local loads on the hull girder collapse behavior of large container ship (8000TEU class) A 1/2+1+1/2 hold model of container ship is analyzed using implicit finite element method. The results reveal two major causes of reduction of hull girder ultimate strength due to local loads. One is biaxial compressive stresses induced at outer bottom. Thus, smaller hogging moment can induce a collapse of bottom panels. The other is a reduction of effectiveness of inner bottom that is on the tension side of local bending. As a result, the container ship attains hull girder ultimate strength with smaller spread of collapse region compared to that under pure bending.
机译：本研究的目的是弄清底部局部载荷对大型集装箱船（8000TEU级）船体大梁坍塌行为的影响。采用隐式有限元方法对集装箱船的1/2 + 1 + 1/2搁置模型进行了分析。 。结果表明，由于局部载荷，船体梁极限强度降低的两个主要原因。一种是在外底引起的双轴压缩应力。因此，较小的横摆力矩会引起底板的塌陷。另一个是降低了在局部弯曲的拉力侧的内底的有效性。结果，与纯弯曲相比，集装箱船获得了船体梁的极限强度，并且塌陷区域的扩展范围较小。

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