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Numerical simulation of gear mesh stiffness
 Rackovský, Daniel Milan ; Prokop, Aleš (referee) ; Řehák, Kamil (advisor)
The diploma thesis deals with the simulation of the spur gears mesh stiffness. The introductory part of the thesis presents a detailed review of the knowledge in the field of gear theory, gear error and also NVH of gears. The next part of the thesis describes the basic principles of the function of the parametric FEM model of gear mesh, which was developed for the purpose of this thesis. The last part of the thesis presents the results of FEM simulations in which the effect of manufacturing error of the gears on the STE waveform was investigated. The basis of the simplified production error model was the sine function. The effect of the number of periods of this function and the magnitude of the amplitude on the STE waveform was investigated. The effect of the magnitude of the load torque on the STE of the production-error gear was also verified. The magnitude of the amplitudes of the sine function was determined to match the allowable wheel shape tolerances according to ISO 1328-1. The problem was solved in Ansys Mechanical APDL using a parametric FEM model based on APDL language.
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