The structural system design with fuzzy linear programming

ABSTRACTMasters ThesisTHE STRUCTURAL SYSTEM DESIGN WITHFUZZY LINEAR PROGRAMMINGTurgay KARADAYIFırat UniversityGraduate School of Natural and Applied SciencesDepartment of Construction Education2007, Page: 38In this study, design of structural systems has been implemented by fuzzy membershipfunction. Especially it was preferred a fuzzy linear programming which is a soft calculationmethod, instead of hard linear programming. The design problem is solved by constructing anoptimal decision function as a α-level-cuts approach using membership function. Thedisplacement, tensile stress, buckling stress and minimum size constraints are considered in theformulation of the design problem. The α-cut approach is illustrated on plane and space trusses,frame systems design problems and the results are discusses.Keywords: Structural system, α-level-cuts approach, fuzzy linear programming, optimum design