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Second-order work in barodesy
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DOI：10.1007/s11440-018-0749-z.png)
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Abstract
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Second-order work analyses, based on elasto-plastic models, have been frequently carried out leading to the result that failure may occur before the limit yield condition is encountered. In this article, second-order work investigations are carried out with barodesy regarding standard element tests and finite element applications. In barodesy, it was shown-like in hypoplasticity and elasto-plasticity-that second-order work may vanish at stress states inside the critical limit surface. For boundary value problems, an end-to-end shear band of vanishing second-order work marks situations, where failure is imminent.
Keywords:
Barodesy
Constitutive model
Finite element simulations
Second-order work
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