کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6916562 | 862932 | 2016 | 38 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A fast, certified and “tuning free” two-field reduced basis method for the metamodelling of affinely-parametrised elasticity problems
ترجمه فارسی عنوان
آزادی سریع، گواهینامه و آزادی؟ دو میدان برای روش های متماول کردن مشکلات کشش وابسته به پارامترها کاهش می یابد
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی کامپیوتر
نرم افزارهای علوم کامپیوتر
چکیده انگلیسی
This paper proposes a new reduced basis algorithm for the metamodelling of parametrised elliptic problems. The developments rely on the Constitutive Relation Error (CRE), and the construction of separate reduced order models for the primal variable (displacement) and flux (stress) fields. A two-field greedy sampling strategy is proposed to construct these two fields simultaneously and in an efficient manner: at each iteration, one of the two fields is enriched by increasing the dimension of its reduced space in such a way that the CRE is minimised. This sampling strategy is then used as a basis to construct goal-oriented reduced order modelling. The resulting algorithm is certified and “tuning-free”: the only requirement from the engineer is the level of accuracy that is desired for each of the outputs of the surrogate. It is also shown to be significantly more efficient in terms of computational expense than competing methodologies.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computer Methods in Applied Mechanics and Engineering - Volume 298, 1 January 2016, Pages 121-158
Journal: Computer Methods in Applied Mechanics and Engineering - Volume 298, 1 January 2016, Pages 121-158
نویسندگان
K.C. Hoang, P. Kerfriden, S.P.A. Bordas,