3Ghasemi MR,Hinton E,WoodRD.Optimization of trussesus-ing genetic algorithms for discrete and continuous variables[J].Engineering Computations,1999,16(3):272-301.
1S.I.Yi,M.K.Shin,M.S.Shin. Optimization of the eccentric check butterfly valve considering the flow characteristics and structural safety[J].Proceedings of the Institution of Mechanical Engineers,2008,(E1):60.
2X.G.Song,L.Wang,Y.C.Park. Analysis and optimization of a butterfly valve disc[J].Proceedings of the Institution of Mechanical Engineers,2009.
