کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
511575 | 865871 | 2011 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The Lack-Of-Knowledge (LOK) theory for linear buckling analysis problems
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی کامپیوتر
نرم افزارهای علوم کامپیوتر
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چکیده انگلیسی
As an extension of safety factors, the Lack-Of-Knowledge theory (LOK) is an answer to model validation issues in structural mechanics. The approach is based on a decomposition of the model into several substructures and a global description of uncertainties at that level through basic LOK on stiffness matrices. These uncertainties are introduced using intervals with probabilistic bounds. The theory then enables to propagate uncertainties on a quantity of interest. Previous work presented results for linear static and dynamic problems. We introduce in this paper a propagation method of the basic LOKs on buckling loads of structures and present its application on academical and industrial examples.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computers & Structures - Volume 89, Issues 9–10, May 2011, Pages 795–800
Journal: Computers & Structures - Volume 89, Issues 9–10, May 2011, Pages 795–800
نویسندگان
P. Areny, L. Chambon, P. Cresta,