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Volume 2, Number 1, January 2017, pages 29-42 DOI: https://doi.org/10.12989/acd.2017.2.1.029 |
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Fuzzy analysis for stability of steel frame with fixity factor modeled as triangular fuzzy number |
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Tran Thanh Viet, Vu Quoc Anh and Le Xuan Huynh
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| Abstract | ||
| This study presents algorithms for determining the fuzzy critical loads of planar steel frame structures with fixity factors of beam - column and column - base connections are modeled as triangular fuzzy numbers. The finite element method with linear elastic semi-rigid connection and Response Surface Method (RSM) in mathematical statistic are applied for problems with symmetric triangular fuzzy numbers.The | ||
| Key Words | ||
| steel frame; critical load; fuzzy connection; response surface method; differential evolution algorithm | ||
| Address | ||
| Tran Thanh Viet: Department of Civil Engineering, Duy Tan University, K7/25 Quang Trung, Danang, Vietnam Vu Quoc Anh: Department of Civil Engineering, Ha Noi Architectural University, Vietnam Le Xuan Huynh: Department of Civil Engineering, National University of Civil Engineering, Hanoi, Vietnam | ||