共同结构规范中舭部曲板作为硬角单元的适用条件研究  

Application condition of bilge curved plate as hard corner element in common structural rules

作　　者：胡丰梁[1] 孙安林[1] 高鹏[1] HU Feng-liang;SUN An-lin;GAO Peng(China Classification Society,Beijing 100007,China)

机构地区：[1]中国船级社,北京100007

出　　处：《船舶力学》2024年第7期1073-1080,共8页Journal of Ship Mechanics

基　　金：工信部高技术船舶项目(CBZ01N23-01)。

摘　　要：按照共同结构规范要求,对于船舶舭部板的船体梁极限强度和残存强度计算,规定在一般情况下应将其视为硬角单元,但未明确可以将其视为硬角单元的具体条件。本文利用共同结构规范对于曲板屈曲能力的评估方法和非线性屈曲有限元分析方法,对船舯区域和船舯以外区域的典型几何形状的舭部曲板进行了研究,得到了在共同结构规范要求的船体梁极限强度和残存强度计算中,舭部板可以被视为硬角单元的简要条件。In general,in the calculation of the hull girder ultimate strength and the residual strength,the bilge plate should be considered as a hard corner element in Common Structural Rules for Bulk Carriers and Oil Tankers,but the specific conditions are not clear.In this paper,a bilge curved plate with typical geomet⁃ric shape inside and outside the midship region was studied by means of the buckling capacity evaluation method and the nonlinear buckling finite element analysis method.The brief conditions in which the bilge plate can be regarded as a hard corner element in the calculation of hull girder ultimate strength and residual strength required by common structural rule were obtained.

关 键 词：硬角单元 曲板 极限强度 

分 类 号：U663.2[交通运输工程—船舶及航道工程]