Mechanical Engineering/shaft design

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Question
How to construct a Goodman Diagram to estimate fatigue strength for varying mean stresses in a shaft and hence find a suitable survival probability for the shaft?

Answer
Dear Jonathan,
for constructing Good man diagram with variation of mean stress you should use from this formula:
s'm/sy+s'e/se=1/fs
you have sy and se of handbooks for all steels and other materials.
now you can find you diagram
for more information refer to :mechanical engineering design,shigley
if my answer isn't sufficient contact again
best regards

Mechanical Engineering

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Masoud Fakhrabadi

Expertise

I am able to answer questions about solid mechanics , dynamics, vibration and control.

Experience

Nanomechanics, Dynamics and Control, Mechatronics, Application of artificial intelligence in engineering problems

Organizations
Tehran university- Iran
Member of American Society of Mechanical Engineering
Member of Iran's National Elites Organization

Publications
I have some books and papers about my field. For detailed information you can see my personal webpage: www.mfakhrabadi.com

Education/Credentials
PhD student of nano-mechanics engineering ,MS of mechanical engineering(applied mechanics) ,BS of mechanical engineering(solids design)

Awards and Honors
The toppest student among 2003 enterance of mechanical engineering BS students- Tabriz university

The toppest student among 2007 enterance of mechanical engineering MS students- Tabriz university

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