CSR散货船底边舱折角处结构疲劳设计

Structural fatigue design for hopper knuckle of CSR bulk carrier

以82000吨级CSR散货船为例,利用大型通用有限元软件MSC/Patran&Nastran,以及英国劳氏船级社ShipRightSDA软件为平台,根据不同结构形式在三舱段有限元分析下不同的响应结果,对船舶内底板和底边舱斜板折角处的热点进行疲劳强度分析。根据几种方案下计算结果的对比,优化设计方案并对该处疲劳强度设计方案提出合理建议。

Taking an 82 000 DWT CSR bulk carrier for instance,based on large general-purpose finite element software MSC/Patran ＆ Nastran and UK Lloyd＇s Register ShipRight SDA software,this paper makes fatigue analysis of hotspots on innerbottom and hopper knuckle according to the different response results by the three- hold FEM analysis on different structural forms.