Volute Optimization Based on Self-Adaption Kriging Surrogate Model

Algorithm 1

Self-adaption Kriging surrogate model optimization algorithm.

	Require: Initial volute geometric structure parameter sample point (X, y)
	Ensure: Optimal solution
(1)	While failure to meet shutdown criteria do
(2)	Using the sample point aggregate (X, y) to construct Kriging surrogate model
(3)
(4)	Calculate the true objective value of renewal point
(5)
(6)
(7)
(8)
(9)	end while