Table 7: Comparison of optimum locations of grooves for two-groove and single-groove bearings.

ComparisonObjective function

For two grooveMinimum friction variable0.9000232.906
For single groove0.100180
For two grooveMaximum flow0.8995.66301.96
For single groove0.100180
For two grooveMaximum load0.8990.626308.23
For single groove0.657349.038
For two grooveMaximum mass parameter0.8110.890308.23
For single groove0.704223.435
For two grooveOptimization of all the combined objectives0.2683.67349.99
For single groove0.657349.038