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Steel and Composite Structures Volume 21, Number 5, August10 2016 , pages 1069-1084 DOI: https://doi.org/10.12989/scs.2016.21.5.1069 |
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An efficient method for reliable optimum design of trusses |
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Babak Dizangian and Mohammad Reza Ghasemi
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| Abstract | ||
| This paper introduces a new and effective design amplification factor-based approach for reliable optimum design of trusses. This paper may be categorized as in the family of decoupled methods that aiming for a reliable optimum design based on a Design Amplification Factor (DAF). To reduce the computational expenses of reliability analysis, an improved version of Response Surface Method (RSM) was used. Having applied this approach to two planar and one spatial truss problems, it exhibited a satisfactory performance. | ||
| Key Words | ||
| design amplification factor; reliable; optimum; trusses | ||
| Address | ||
| (1) Babak Dizangian: Department of Civil Engineering, Velayat University, Iranshahr, Iran; (2) Mohammad Reza Ghasemi: Department of Civil Engineering, University of Sistan and Baluchestan, Zahedan, Iran. | ||