Research Article

Optimal Design of a Centrifugal Compressor Impeller Using Evolutionary Algorithms

Table 4

Number of updated design variables and errors.

GenerationsUpdated design variablesError [%]Level [%]

1st128.235.0
2nd93.505.0
3rd143.675.0
4th81.575.0
5th111.604.0
6th110.924.0