Abstract
Strips with semi-elliptical notches or edge cracks on both sides are analyzed as a plane elastic problem. The rational mapping functions of a sum of fractional expressions are used for the analysis. The closed solutions are obtained. Stress distributions, stress intensity factors and stress concentration factors under tension and bending in the plane are investigated. The expression of stress intensity factor is presented. The expression of stress concentration factor is also presented using formula which generally holds for stress concentration factor. It is also shown that stress intensity factor can be obtained from the expression of stress concentration factor.
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