Warping

Warping is extensional deformation in the direction of the axis about which torque is applied. It is sometimes also termed deplanation.

Related Terms

 * warping constant (also called warping moment of inertia, warping torsion constant; designations: I_\omega or Cw)
 * sectorial coordinate ( \omega )
 * sectorial area ( S_\omega )
 * shear center