Fully Parametric Optimization Designs of Wing Components

Table 1

Design variables of the wing.

Design parts	Variables
Thickness^1
Upper and lower skin	Coefficients of 2nd order polynomial in the variables , and
Spar web	Coefficients of 2nd order polynomial in the variables , and
Rib web	Coefficients of piecewise linear polynomial in the variables , and
Front rib web	Lower and upper bound
Spar flange	Coefficients of 2nd order polynomial in the variables , and
Rib flange (CROD)	Coefficients of piecewise linear polynomial in the variables , and
Stringer	Coefficients of 2nd order polynomial in the variables , and
Ribs’ spanwise percent	Lower and upper bound
Spars’ chordwise percent	Lower and upper bound

¹Thickness was from 0.005 m to 0.01 m. ²A was from 10^-4 m² to 10^-6 m²; is from 10^-10 m⁴ to 10^-8 m⁴; is from 10^-9 m⁴ to 10^-7 m⁴; is from 10^-10 m⁴ to 10^-8 m⁴.