Rotation Due to Twist Formula

Equation for calculate rotation due to twist is,

[σ^'] = (M_t × K₄) / (E_r × t²)

• M_t - Cantilever twisting moment
• K₄ - Poisson’s ratio constants
• E_r - Elastic modulus of the rock
• t - Radial thickness of the element
• σ^' - Rotation due to twist