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Development of Design Criteria for Elastic Stability of Thin Shell Structures
Experimental data are provided to assist in establishing design criteria for the elastic stability of conical shells and pressure stabilized axially stiffened cylindrical shells. The buckling of a series of Mylar cones and cylinders under axial compression or uniform external pressure was investigated. Some attempts are made to correlate the experimental data obtained. The buckling coefficients of the preliminary results of the initial program found to be much lower than the values obtained in subsequent tests. The cones and cylinders in the second series of compression tests had stronger seams so that buckling was not precipitated by initial dimples adjacent to the seam. Test equipment and specimens for the stiffened cylinder investigation were being constructed at the close of the year.
AF0 4(647)- 309
(AF0 4(647) 309);
Approved For Public Release