Genetic Algorithm for Mixed Integer Nonlinear Bilevel Programming and Applications in Product Family Design

Table 6

Material coefficients of metals.

	Metal A ()	Metal B ()	Metal C ()
Elastic coefficient	200 MPa^0.5	190 MPa^0.5	180 MPa^0.5
Contact fatigue stress	300 MPa	400 MPa	500 MPa
Bending fatigue stress	100 MPa	200 MPa	300 MPa