کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6961344 | 1452098 | 2018 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A modified strain-controlled reference stress approach for submarine pipelines under large-scale plastic strain
ترجمه فارسی عنوان
یک روش استرس مرجع تحت کنترل تحت فشار برای خطوط لوله زیردریایی تحت مقیاس پلاستیکی بزرگ
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی کامپیوتر
نرم افزار
چکیده انگلیسی
The reel-lay approach is widely applied in submarine pipelines. During the process of reeling and unreeling, pipelines are subjected to nominal strain of 1-4%. In this study, various pipeline geometries and crack dimensions were calculated using a finite element analysis and analytical solution under strain-controlled boundary conditions. A modified reference stress approach was applied under strain-controlled boundary conditions using a derived implicit analytical solution of the nominal stress. The limit load solution was modified through a γ factor based on the finite element analysis under strain-controlled boundary conditions. A regression analysis of γ was conducted and an empirical formula was determined. The modified strain-controlled reference approach is in contrast to other ECA methods and proved to be closer to the finite element analysis results.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Advances in Engineering Software - Volume 119, May 2018, Pages 12-20
Journal: Advances in Engineering Software - Volume 119, May 2018, Pages 12-20
نویسندگان
Zhao Xiaoxin, Xu Lianyong, Jing Hongyang, Zhao Lei, Huang Jiangzhong,