A Fuzzy Programming Technique for Solving Multi-objective Structural Problem | Zendy

Samir Dey | Zendy; Tapan Kumar Roy | Zendy

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A Fuzzy Programming Technique for Solving Multi-objective Structural Problem

Author(s) -

Samir Dey,

Tapan Kumar Roy

Publication year - 2014

Publication title -

international journal of engineering and manufacturing

Language(s) - English

Resource type - Journals

eISSN - 2306-5982

pISSN - 2305-3631

DOI - 10.5815/ijem.2014.05.03

Subject(s) - truss , mathematical optimization , fuzzy logic , nonlinear programming , computer science , deflection (physics) , structural system , context (archaeology) , nonlinear system , structural engineering , engineering , mathematics , artificial intelligence , physics , optics , quantum mechanics , paleontology , biology

This paper proposes a new fuzzy multi-objective optimization approach to solve a multi-objective nonlinear programming problem in context of a structural design. We have been developed a multi-objective structural problem of a planar truss structural model in fuzzy environment. Here, the objectives are (i) to minimize weight of the structure and (ii) to minimize the vertical deflection at loading point. In this model, the design variables are the cross-section of the truss members and the constraints are the stresses in members. This approach is used to solve the structural model under uncertainty based on different operator. A numerical illustration is given to support our approach.

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