5NAKAMURA K, KUROSAWA S. Design optimization of a Francis turbine draft tube by using muhiobjective genetic algorithm [J]. Nihon Kikai Gakkai NenjiTaikai Koen Ronbunshu, 2005,2: 281-282.
6MARJAVAARA B D, LUNDSTROM T S. Redesign of a sharp heel draft tube by a validated CFD-optimization [J]. Numerical Methods in Fluids,2006,50(8) :911-924.
