In the thesis a procedure of the conversion of the helical torsion spring of variable diameter according to the classical method of the finite elements is shown. In the process of the conversion according to the classical method we assumed the spring as a spatial beam in space in order to calculate torsional and bending moments. For the analysis of the spring according to the method of finite elements we used the program Abaqus. The goal we tried to achieve in the thesis is the obtained relation between the deflection of the spring and the force according to both methods, and to compare the acquired results as well as comment the possible derogations.
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