Methodology to Determine Stress Concentration Factors

•Stress Concentration factors (Kt’s) for numerous “simple” geometries have been determined by researchers (analytical equations)
•Roark and Peterson have compiled these into easy to use tables
•Using “simple” Kt’s for complex geometries can induce error
•Determining stress concentration factors (Kt) for complex geometries can be difficult and expensive
•If strain gages cannot be applied to the maximum stress location, remote stresses must be used to determine the peak stress value (induces error)

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