Hello guys, I am new to COMSOL and I want to simulate torsion of circular shaft in comsol, As there is not any option available for direct torque application, I applied opposite (point) forces in opposite points on the end face equivalent to the torque. But there was high stress concentration around area near points. So can anyone tell me how to simulate this problem properly so that stress concentration will not be significant as in the case for point force? Thank you in advance
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