COMPUTATIONS FOR STRESS AND STRESS CONCENTRATION IN A CIRCULAR CYLINDRICAL SHELL WITH CIRCULAR CUTOUT.
GENERAL TECHNOLOGY CORP TORRANCE CALIF
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In a recent report by Naghdi and Eringen G.T.C. Technical Report No. 3-2, Stress Analysis of a Circular Cylindrical Shell with Circular Cutout, January 1963 AD-640 558, a theoretical analysis of an infinitely long circular cylindrical shell with a circular cutout is presented. Specific results are obtained for three particular cases in which the shell is subjected to Case I. A uniformly distributed bending moment around the edge of the cutout. Pending Moment Case Case II. A uniform longitudinal tensils load with the edge of the cutout stress-free. Extension Case Case III. A uniform internal pressure with a uniform transverse shear at the edge of the cutout. Internal Pressure Case The analytical results of the cited Technical Report 3-2 are used in the detailed calculations undertaken for the present report. The state of stress for each of the three cases above is determined for a variety of cylindrical shells having different material and geometry properties. Stress concentration factors are also calculated for Cases II and III. The present report includes a summary of significant results presented in Technical Report 3-2. To avoid excessive duplication, only pertinent expressions are repeated here, except those which are too lengthy to reproduce. Therefore, for these long expressions, reference has to be made to Technical Report 3-2. In addition there is presented a discussion on stress concentration for a combined state of stress not included in Technical Report 3-2. The calculated numerical results are presented and discussed for each of the three cases described above. The application of these data are indicated.
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