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Laplace model for multi-axial responses in fatigue analysis of a cultivator frame

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Author

Editor

  • K. Berns
  • C. Schneider
  • K. Dressler
  • B. Jörg
  • R. Kalmar
  • G. Zolynski

Summary, in English

This paper reviews means for fatigue damage rates estimation using Laplace distributed multiaxial loads. The model is suitable for description of stresses containing transients of random amplitudes and locations. Explicit formulas for computing the expected value of rainflow damage index as a function of excess kurtosis are given for correlated loads. A Laplace model is used to describe variability of forces and bending moments measured at some location on a cultivator frame. An example of actual cultivator data is used to illustrate the model and demonstrate the accuracy of damage index prediction.

Publishing year

2014

Language

English

Pages

141-150

Publication/Series

Proceedings of the 3rd International Commercial Vehicle Technology Symposium (CVT 2014)

Document type

Conference paper

Publisher

Shaker Verlag

Topic

  • Probability Theory and Statistics

Status

Published