کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7211804 1469333 2018 32 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Mathematical programming approach for uncertain linear elastic analysis of functionally graded porous structures with interval parameters
ترجمه فارسی عنوان
روش برنامه ریزی ریاضی برای تحلیل اشکال خطی نامشخص ساختار متخلخل عملکردی با پارامترهای فاصله
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی (عمومی)
چکیده انگلیسی
This paper investigates the non-deterministic linear elastic problem of bar-type functionally graded porous (FGP) structures with uncertain-but-bounded system parameters. For achieving a robust uncertainty analysis framework, a non-stochastic structural analysis for FGP engineering structures, whose system inputs possess interval uncertainties, through the framework of Finite Element Method (FEM) is proposed. The Timoshenko beam theory is adopted to incorporate the shear effect, so a more generalized uncertain static analysis of FGP structures can be anticipated. Various uncertain system input parameters, for example, the Young's moduli, the dimensions of the cross-sections, the porosities, as well as the applied loads can be simultaneously incorporated within the proposed method. To demonstrate the capability of the proposed approach, two distinctive numerical examples have been thoroughly investigated. Additional numerical experiments have also been conducted to further explore various effects of uncertainties of different system inputs acting on the overall FGP structural responses.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composites Part B: Engineering - Volume 152, 1 November 2018, Pages 282-291
نویسندگان
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