Auxiliary Value for Warping Torsion Related to Shear Center r_ωSC

r_{ω, S C} = \frac{1}{I_{ω} \cdot E_{r e f}} \cdot \int_{A} E \cdot ω_{S C} \cdot [{(Y - e_{y} - y_{S C})}^{2} + {(Z - e_{z} - z_{S C})}^{2}] d A

I_ω	Warping resistance related to the shear center
E_ref	Modulus of elasticity of the reference material
E	Modulus of elasticity at the surface point
ω_SC	Warping ordinates at the surface point related to the shear center
Y, Z	Coordinates of the surface point related to the origin
e_y, e_z	Coordinates of the elastic centroid related to the origin
y_SC, z_SC	Shear center coordinates related to the elastic centroid
A	Cross-sectional area

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Auxiliary Value for Warping Torsion Related to Shear Center rωSC