what is difference between principal stress and max.shear stress...?
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Principal stress is the maximum normal stress a body can have at its some point. It represents purely normal stress. If at some point principal stress is said to have acted it does not have any shear stress component.
Like the normal stress, the shear stress will also have a maximum at a given angle, θτ-max. This angle can be determined by taking a derivative of the shear stress rotation equation with respect to the angle and set equate to zero
Like the normal stress, the shear stress will also have a maximum at a given angle, θτ-max. This angle can be determined by taking a derivative of the shear stress rotation equation with respect to the angle and set equate to zero
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