Table 6 Summary of 6 industrial design issues.

From: Enhanced GRU-based regression analysis via a diverse strategies whale optimization algorithm

Problems

Name

D

g

h

\({\text{f}}_{\min }\)

F1

Hydro-static thrust bearing design problem

4

7

0

1.6161E+03

F2

10-bar truss design

10

3

0

5.2445E+02

F3

Rolling element bearing

10

9

0

1.4614E+04

F4

Gas Transmission Compressor Design (GTCD)

4

1

0

2.9648+06

F5

Gear train design Problem

4

1

1

0.0000E+00

F6

Himmelblau’s Function

5

6

0

− 3.0665E+04