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考虑铺设残余变形影响的管道屈曲分析
Release time:2019-03-10 Hits:
Indexed by: 期刊论文
First Author: 谢鹏
Co-author: 岳前进,赵岩
Date of Publication: 2016-11-15
Journal: 船舶力学
Included Journals: EI、PKU、ISTIC、CSCD、Scopus
Document Type: J
Volume: 20
Issue: 11
Page Number: 1441-1448
ISSN No.: 1007-7294
Key Words: S型铺管法;管道;有限元分析;塑性变形;屈曲
Abstract: 文章基于壳单元建立了精细的托管架—管道相互作用模型,模拟了S型管道铺设过程,研究了铺设过程中管道的塑性变形分布,评价了铺设残余塑性变形对管道屈曲压力的影响。研究结果表明在深水S型铺设中,管道会发生明显残余塑性变形,并削弱管道的后续屈曲承载能力。
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