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Numerical calculation of wear in mechanical systems

Author

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  • Frischmuth, Kurt
  • Langemann, Dirk

Abstract

The simulation of wear processes is dominated by the feedback between system dynamics and wear, which have completely different characteristic time scales. We present a method for decoupling the time scales. Its central ideas are the introduction of a wear density on the entire wearing surface and the establishment of an evolution equation in the slow time scale. The sample problem of a wearing disk rolling on a rigid rail is studied. In particular, we discuss the non-monotonous influence of the speed on the wear evolution and on the polygonalization of wheels.

Suggested Citation

  • Frischmuth, Kurt & Langemann, Dirk, 2011. "Numerical calculation of wear in mechanical systems," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 81(12), pages 2688-2701.
    • Handle: RePEc:eee:matcom:v:81:y:2011:i:12:p:2688-2701
    DOI: 10.1016/j.matcom.2011.05.011
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