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Research of load uncertainty and structural reliability for semi-submersible
Author(s): 
Pages: 108-117
Year: Issue:  1
Journal: Journal of Ship Mechanics

Abstract: 分析了海浪谱型、波高及载荷传递函数的不确定性对波浪载荷的影响,运用模型试验和数值方法计算波浪载荷传递函数的不确定性,提出了波浪载荷长期极值不确定性分析的新方法.基于简化Smith方法计算了半潜平台整体结构横垂向弯矩极限承载能力,使用蒙特卡洛模拟法分析了极限承载能力的统计参数和概率分布形式及其不确定性,同时运用改进的Rosenbluth方法加以比较验证,最后基于验算点法计算了某半潜平台横向结构抗弯极...
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