کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
11028837 | 1646706 | 2018 | 39 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A Bézier extraction based XIGA approach for three-dimensional crack simulations
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی کامپیوتر
نرم افزار
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: A Bézier extraction based XIGA approach for three-dimensional crack simulations A Bézier extraction based XIGA approach for three-dimensional crack simulations](/preview/png/11028837.png)
چکیده انگلیسی
In this work, Bézier extraction based extended isogeometric analysis (XIGA) has been performed for three-dimensional (3-D) crack simulations in linear elastic materials. The Bézier extraction represent the original NURBS basis functions in terms of Bernstein shape functions defined over Câ
0 continuous isogeometric Bézier elements, and provides an element wise data structure of NURBS which makes the implementation similar to extended finite element method (XFEM). A crack in the domain is modeled by Heaviside and crack tip enrichment functions. The values of mixed-mode stress intensity factors (SIFs) are obtained by interaction integral approach using virtual cuboidal domain. Various 3-D crack problems are solved by Bézier extraction based XIGA, and the results are compared with XFEM and analytical solutions.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Advances in Engineering Software - Volume 125, November 2018, Pages 55-93
Journal: Advances in Engineering Software - Volume 125, November 2018, Pages 55-93
نویسندگان
S.K. Singh, I.V. Singh, G. Bhardwaj, B.K. Mishra,