Abstract

AbstractIn this chapter, the prebuckling problems of thick serpentine interconnects are considered. A systematic and straightforward theory (finite prebuckling deformation, FPD) is developed to analyze the FPD buckling behaviors of beams with the coupling of bending, twisting, and stretch/compression. As a comparison, various theoretical and numerical methods are applied to three classic problems, including lateral buckling of a three-point bending beam, lateral buckling of a pure bending beam, and Euler buckling. The proposed FPD buckling theory for beams can give a good prediction than the conventional buckling theories and numerical methods that always neglected the prebuckling deformation. Finally, an experiment is conducted to observe the actual effects.

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