Compression struts with nonprogressively variable moment of inertia (1938)
NASA Technical Reports Server (NTRS) · leaf 22
N.A.C.A. Technical Memorandum Ho. 861 Fig. V = <J2 = 1.414--.limit for Zx/ 7—*1 and q-*0. … Jl + J2 Substitute moment of inertia: Jm = Jl+ J2 y2 TT2 Jl + J2 E Buckling load P^s Z Figure 8.- Buckling struts with non-progressively variable moment of inertia.
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