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基于Kriging模型抗冰海洋平台管节点疲劳可靠性研究

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Indexed by:期刊论文

Date of Publication:2010-02-28

Journal:中国海洋平台

Included Journals:ISTIC

Volume:25

Issue:1

Page Number:32-35

ISSN No.:1001-4500

Key Words:导管架平台;冰激振动;谱分析;疲劳可靠性;Kriging模型

Abstract:以渤海冰情和冰荷栽现场观测数据为基础,建立JZ20-2NW海域锥体模型冰力谱.同时利用谱分析方法,对该平台进行冰激疲劳分析.并结合冰疲劳环境荷栽及冰力谱函数,提出了相对于冰速、冰厚随机冰栽的管节点热点应力幅的近似计算方法--Kriging插值方法.结果表明,Kriging插值方法及疲劳可靠性分析方法合理有效.

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