Abstract
The structural dynamic simulation of electrical machines is an appropriate tool to improve electrical machines in an early design stage, in consideration of their acoustic and vibration properties. In order to reduce the calculation effort, a time efficient method is desirable. Unit-force transfer functions describe the linear behavior of the structure when it is excited with unit-force waves in the machine's air gap. In this paper, magnitude- and phase-correct transfer functions are simulated numerically for an exemplary machine and then verified by measurements. With those transfer functions, the structural response of the machine can be calculated fast for different operating points.
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