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多孔介质中含均相/非均相反应传质过程数值模拟
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深水铺设托管架-管道的动力学分析
基于卷管铺设的管道椭圆度损伤参数研究?
Release time:2019-03-10
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期刊论文
First Author:
王彦辉
Co-author:
蔡志勤,赵岩,岳前进
Date of Publication:
2016-03-10
Journal:
石油机械
Included Journals:
ISTIC
Document Type:
J
Volume:
44
Issue:
3
Page Number:
73-77
ISSN No.:
1001-4578
Key Words:
海底管道;卷管铺设;椭圆度;厚径比;上卷;退卷;有限元
Abstract:
卷管铺设过程中管道会发生数次弯曲，产生往复的塑性变形，导致管道产生很大的截面椭圆度损伤，大大降低管道的屈服承载能力。基于有限元软件ABAQUS中的Standard模块建立了管道的上卷和退卷模型，模拟了卷管铺设中管道的上卷?退卷?校准和校直过程，研究了卷管铺设时无缺陷管道的外径、厚径比和钢材级别对管道椭圆度损伤的影响。研究结果表明，当厚径比相同时，管道外径越大，管道的椭圆度损伤越大；当管径相同时，管道厚径比越大，管道的椭圆度损伤越大；钢材级别对管道椭圆度损伤影响很小。研究结果可为卷管式铺管法的现场应用提供参考。
Translation or Not:
no
