A multi-objective fuzzy optimization for optimum dimensions design of a convective spine

A systematic multi-objective fuzzy optimization procedure to design the opt imum dimensions of a conical convective spine is presented in this paper. C onflicting fuzzy design objectives, such as the weight and the length of sp ine as well as 'soft' constraints, are considered simultaneously in this st udy. The conical convective spine design based on the proposed procedure le ads to a practical spine shape for production. The proposed design procedur e cal also is applied to other design problems with complicated constraints , (C) 2001 Elsevier Science Ltd.