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The Laplace multi-axial response model for fatigue analysis

In English

Författare

Summary, in English

This paper introduces 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 ona cultivator frame. An example of actual cultivator data is used to illustrate the model and demonstrate the accuracy of damage index prediction.

Publiceringsår

2015

Språk

Engelska

Publikation/Tidskrift/Serie

Working Papers in Statistics

Issue

8

Dokumenttyp

Working paper

Förlag

Department of Statistics, Lund university

Ämne

  • Probability Theory and Statistics

Nyckelord

  • Laplace moving averages
  • multi-axial loads
  • rainflow method
  • random loading
  • spectral density function

Status

Published