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AAE55400 - Fatigue of Structures and Materials

Spring 2014

Days/Time: MWF / 9:30-10:20 am
Credit Hours: 3

Learning Objective:
To develop methods for characterizing fatigue resistance of materials and predicting cyclic lives of structural components; discuss approaches for preventing fatigue failures through materials selection, fatigue resistant design, and "fleet management" concepts. Both crack initiation (stress and strain based) and crack propagation (fracture mechanics) approaches are developed and compared. While general class concepts compare to a variety of structures, emphasis throughout is on aerospace applications.

Development and application of methods for predicting the fatigue life of structural components. Characterization and response of materials to cyclic loading. Fatigue resistant design of structures. Both fatigue crack initiation and crack propagation concepts are discussed.

Topics Covered:
Characteristics of fatigue failure mode; Examples of service failures. Fatigue Crack Formation. Fatigue Crack Growth. Misc Fatigue Topics/Applications. Tentative Syllabus

Prior course in strength of materials.

Applied/Theory: 50/50

Web Address:

Web Content:
Syllabus, grades, lecture notes, homework assignments, and solutions. Additional handouts will be posted on the course web page as needed.

Approximately ten homework assignments.


Two one-hour exams and one two-hour comprehensive final exam.

Textbook Required: A. F. Grandt, Jr., "Fundamentals of Structural Integrity; Damage Tolerant Design and Nondestructive Evaluation", John Wiley and Sons, 2004, ISBN 0-471-21459-0. Disclaimer: Please visit the Listing of Textbooks by College or School for the most up-to-date information.

Computer Requirements:
ProEd minimum computer requirements. Some homework assignments will entail ability to solve equations on a spreadsheet. It is also anticipated that some demonstrations and/or optional assignments would entail running fatigue life prediction software. Supplemental reading material will be available on the course web site.

ProEd Minimum Requirements:

Tuition & Fees: view

Alten F. Grandt, Jr.
Purdue University
Neil Armstrong Hall of Engineering, Rm. 3235
701 W. Stadium Ave
West Lafayette, IN 47907-2045
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