A Unified theory of plastic buckling of columns and plates by Elbridge Z Stowell

By Elbridge Z Stowell

At the foundation of contemporary plasticity issues, a unified concept of plastic buckling appropriate to either columns and plates has been constructed. For uniform compression, the speculation indicates indicates that lengthy columns which bend with out considerable twisting require the tangent modulus and that lengthy flanges which twist with out considerable bending require the secant modulus. constructions that either bend and twist whilst they Read more...

summary: at the foundation of recent plasticity issues, a unified thought of plastic buckling appropriate to either columns and plates has been constructed. For uniform compression, the speculation indicates exhibits that lengthy columns which bend with no considerable twisting require the tangent modulus and that lengthy flanges which twist with out considerable bending require the secant modulus. constructions that either bend and twist after they buckle require a modulus that's a mix of the secant modulus and the tangent modulus

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A Unified theory of plastic buckling of columns and plates

At the foundation of recent plasticity concerns, a unified thought of plastic buckling acceptable to either columns and plates has been built. For uniform compression, the idea exhibits exhibits that lengthy columns which bend with no considerable twisting require the tangent modulus and that lengthy flanges which twist with out considerable bending require the secant modulus.

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9. Compressive Stress for Outstanding Flanges. NACA Rep. No. 734, 1942. : Critical Compressive Stress for Flat Rectangular Plates Supported along All Edges and Elastically Restrained against Rotation along the Unloaded Edges. NACA Rep, No. ——- 1942. +. ,. -. . NACA TN No. 31 1556 a! , . ,. 4 . 2 . ) stress in compress”~. drawn far a material with a yield stress of 46 properties from ● with for (Curves ksi.

4 . 2 . ) stress in compress”~. drawn far a material with a yield stress of 46 properties from ● with for (Curves ksi.

Arado~. no. Dec. 1946, p. 678. Jo&. Aero. ~ vol. a&ticColumn Thec~*y, Jour. Aero. , V61,’14, no. 5, w 1947, PP: 262-567. 13, .. ~ Secant Modulus Methotl”forDetermining Plate ,’-~n&tab~li%yabove the Proportional Limit. Jour. Aero. , vol. 13,no. 1$ Jem. i Dete~ination of’Plate Compressive Stre@hs. ‘! ,. 1480, X347 ,’ * , . 7. Handelmen, F. : Plastic Bu&lfng of a Recta&ular Plate under Edge Thrusts. 1530, 1948, A 8. Ilyushin, A. : The Elast@Plastic Stability of Plates. 1188, 1947. 9. Compressive Stress for Outstanding Flanges.

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