Browse Publications Technical Papers 971965
1997-05-20

Numerical Methods to Calculate Gear Transmission Noise 971965

This report shows the methods, which AVL uses for the calculation of gear box noise.
The analysis of the gear box structure (housing) is done using finite element method (FEM), thereby the natural frequencies are calculated as well as forced vibrations.
As input for the FE calculation of the forced vibrations, the dynamic bearing forces of the shafts in the gear box or the dynamic tooth mesh are used. These forces are determined using the MBS (multi body system) software GTDYN, considering the torsional vibrations as well as axial and bending vibrations.
Several examples of calculation results for the investigation of the gear dynamics are shown within the scope of this report.

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