Welcome to eFatigue! Here you will find everything you need to make a fatigue assessment of a structure or component.
The site is divided into a number of Fatigue Technologies listed in the left sidebar. These are grouped by types of problems being analyzed. Start by selecting a Fatigue Technology from the left sidebar. Constant Amplitude is a good place to start.
Each technology is organized into major sections: Fatigue Calculators, Fatigue Analyzers, Finders and Technical Background. Fatigue Calculators and Fatigue Analyzers do the calculations. Finders help you get the necessary input data, including stress concentration factors and a database of standard material properties. Technical Background describes all of the steps and equations used in the calculations.
Every Fatigue Calculator and Fatigue Analyzer has an example problem that will guide you through a complete analysis. After selecting an analysis type, click on the Learn By Example button for a step-by-step guide through all of the input data and results.
eFatigue also includes a number of documented benchmark problems containing all of the information needed for fatigue analysis. Here you can use the Fatigue Calculators or Fatigue Analyzers to compute fatigue lives and then compare the results of your analysis with the experiments. These benchmark problems will give you experience in using eFatigue and increase your confidence in your ability to solve other more complex fatigue problems.
eFatigue includes an Experienced User mode that can be toggled on and off with buttons found throughout the site. In this mode, most of the text and instructions will be eliminated, making the data entry more compact and faster.
Fatigue Analyzers are used for more computationally intensive problems such as processing finite element models and variable amplitude analysis from large data files. Simply upload your file and process it directly. An eFatigue subscription is required to access Fatigue Analyzers.
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