Preliminary investigation of stability of a fin-stiffened slender strut
Mark S. Lake, K. Chauncey Wu, United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
National Aeronautics and Space Administration, Scientific and Technical Information Division, 1988 - Technology & Engineering - 21 pages
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actual buckling load analysis bending stiffness centroids computed buckling loads core and fins core tube cross-sectional DCDT's design which allows element aspect ratio equation Equivalent beam models Euler's equation fin attachment concepts fin deployment angle finite element analyses finite element models fins to move flat plate finite gyration to thickness highest buckling load ideal buckling load Langley Research Center lateral deflections load cell load of specimen load to ideal lower platen midspan misalignment moments of inertia move independently NASA partial end restraints partial restraint support pinned and partial pinned boundary conditions pinned support fixtures Pinned-Pinned Buckling Loads plate finite element predicted provides a buckling radius of gyration ratio of actual ratio of plate Research Center Hampton restraint support fixtures shear load transfer slendemess and radius spring elements strut axial direction strut buckling load strut cross section test setup testing and finite thickness ratios three fins tion upper platen