Course ILTOF09 - Statistical methods in fatigue testing

Course ILTOF09 - Statistical methods in fatigue testing

course summary (.pdf)

About the Authors:
The course is based on a training seminar for engineers that covers modern statistical methods in fatigue testing and load data analysis. The content was developed by:
Dr. Klaus Dreßler
Dr. Michael Speckert
Dipl.-Math. Sascha Feth
Dipl.-Math. Nikolaus Ruf
All authors are members of the Department of Mathematical Methods for Dynamics and Durability (MDF) Fraunhofer Institute for Industrial and Financial Mathematics (ITWM), Kaiserslautern (Germany).

Lecturer: Dipl.-Math. Nikolaus Ruf

Important: how to access the online lectures

Module 1: Basic Methods in Statistics. (N. Ruf, 1 h)

Part 1: Methods and limitations of descriptive statistics; advantages of model-based statistics; important properties of continuous statistical models.

• audio version - low bandwidth

Part 2: Properties of the (log-)normal, Weibull, and binomial distribution; maximum-likelihood estimation in parametric models; confidence intervals and tests. please register to the website to access this lecture.

Module 2: Design and Analysis of Fatigue Experiments. (N. Ruf, 1 h)

Part 1: Censored data and parameter estimation; confidence intervals for extreme quantiles. please register to the website to access this lecture.

Part 2: Test planning using a binomial model (number of components vs. duration); estimation of Wöhler curves (S-N curves). please register to the website to access this lecture.