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Erschienen in:
2018 | OriginalPaper | Buchkapitel
12. Stability-Buckling
verfasst von : Andreas Öchsner, Markus Merkel
Erschienen in: One-Dimensional Finite Elements
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Abstract
In common and technical parlance the term stability is used in many ways. Here it is restricted to the static stability of elastic structures. The derivations concentrate on elastic bars and beams. The initial situation is a loaded elastic structure. If the acting load remains under a critical value, the structure reacts ‘simple’ and one can describe the reaction with the models and equations of the preceding chapters. If the load reaches or exceeds the critical value, bars and beams begin to buckle. The situation becomes ambiguous, beyond the initial situation several equilibrium positions can exist. From the technical application the smallest load is critical for which buckling in either bars or beams appears.