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This and the next slide demonstrate the second type of buckling modal interaction, that is, local buckling of the skin reduces the average axial stiffness of the skin as it acts in a general buckling mode.
This slide shows various stiffened panels and columns made of thin-walled segments that can exhibit this second type of buckling modal interaction.
This second type of buckling modal interaction was extensively studied by van der Neut and his colleagues in the 1970s.
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