Techno Press

Steel and Composite Structures   Volume 21, Number 5, August10 2016, pages 1069-1084
An efficient method for reliable optimum design of trusses
Babak Dizangian and Mohammad Reza Ghasemi

Abstract     [Full Text]
    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
(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.

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