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Abstract
A shaft is a structural member used to transmit torque. For most of the application, especially those involving high torque, shafts with circular cross-section are used as stress distribution is uniform along the radius in all the directions. However, in stationary torque applications, due to ease in power transmission and assembly shafts of non-circular sectionsare also used. This paper compares the torsion of a rectangular, circular, triangular and elliptical shaft using the finite element tool Ansys Workbench.