The Effective Width of Curved Sheet After Buckling (1938)
NASA Technical Reports Server (NTRS) · leaf 10
N.A.C.A. Technical Memorandum No* 880 ngs.1,2,3 … Figure 3,~ The effective width for flat and circular currod sheets plotted against the degree of exceeded buckling stress (nondimensional presentation).
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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