Progressive collapse method is used to calculate ship ultimate hull girder strength and the combination of surface response method and traditional method is utilized to analyse reliability.
采用渐进崩溃法计算船体总纵极限强度，将响应面法与传统可靠性计算方法相结合来进行船体总纵极限强度可靠性分析。
There are three main methods by far, nonlinear finite element method, idealized structural unit method and progressive collapse analysis method.
目前，计算总纵极限弯矩的方法主要有三种，即非线性有限元法，理想结构单元法和逐步破坏分析法。
Abstract :The key issue of progressive collapse (PC) design method is to determine the PC resistance demand of the structures with members removed due to accidental action.
摘要 ：结构抗连续倒塌设计方法的关键是确定因偶然作用导致局部构件失效后剩余结构的连续倒塌抗力需求。
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