基于子集模拟法的破冰船结构可靠性分析
Structural Reliability Analysis of Icebreaker Structures Based on Subset Simulation Method
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摘要: 【目的】船体结构总纵强度的小失效概率分析是一个复杂、高维和计算耗时长的问题,难以采用传统可靠性分析方法精确计算。为解决复杂结构可靠性分析中小失效概率难以精确计算的问题,建立一套求解结构小失效概率的精确计算流程。【方法】该流程通过采用子集模拟法以降低总体样本需求,为覆盖样Abstract: Objective The analysis of the small failure probability in the overall longitudinal strength of a ship's hull structure is a complex, high-dimensional and time-consuming issue, challenging to calculate accurately with traditional reliability analysis methods. To address the precise calculation of small