How do you Calculate shear stress?

AI Thread Summary
To calculate shear stress in a cantilevered beam, differentiate the bending moment to obtain shear force. Shear stress can be determined using the formula τ = V/A, where V is the shear force and A is the area in contact with the applied force. It's essential to measure the area accurately, multiplying the length and width of the contact side. Understanding the relationship between bending moment and shear stress is crucial for accurate calculations. Utilizing FEA tools can also aid in analyzing shear stress effectively.
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So i have a stub axle shaft, I have determined maximum bending stress at several locations and the bending moments, my question is how do you calculate shear stress in a cantilevered beam?
I assumed the shear would be longitudinal along the shaft.
Thanks for any assistance given.
 
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Differentiate the bending moment to obtain the shear stress.
 
Maybe you can use some FEA tools, e.g.PROE
 
Measure the area of the side of the object that is in contact with the object applying force in meters. For example, if your objects are two boxes sliding past one another, measure the area of the side of the box. To find the area, measure the length and width of the side of the object with your ruler and then multiply these two values together.This will be your "A" in the shear stress equation.
 
Do you know the relation between bending moment and shear stress? If not, check your textbook. It is vitally important for you to know this.
 
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