Term	Definition
Ap	Projected area of the structure
CD	Drag coefficient
D	Major diameter of the cross-section
d	Minor diameter of the cross-section
Df	Drag force
F0	Positive resolved force applied to the top of the specimen
f(x)	Loading profile along the length of the specimen
M0	Positive resolved moment applied to the top of the specimen
Sx	Section modulus at the location x along the length of the specimen
s	Bending stress vector for optimization algorithm
σ	Bending stress
ρ	Density of air
t	Rind thickness
u	Local wind speed
v	Residual vector for optimization algorithm
X	Input loading vector for optimization algorithm
x	Length along the length of the specimen
Y	Total residual scalar for optimization algorithm