Global stability of the Armstrong-Frederick model with periodic biaxial inputs |
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Authors: | M. Brokate D. Rachinskii |
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Affiliation: | 1. Zentrum Mathematik, Technische Universit?t München, Boltzmannstr. 3, Garching b. München, 85747, Germany 2. Department of Applied Mathematics, University College Cork, Cork, Ireland
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Abstract: | The paper is concerned with the study of plasticity models described by differential equations with stop and play operators. We suggest sufficient conditions for the global stability of a unique periodic solution for the scalar models and for the vector models with biaxial inputs of a particular form, namely the sum of a uniaxial function and a constant term. For another class of simple biaxial inputs, we present an example of the existence of unstable periodic solutions. The paper was written during the research stay of D. Rachinskii at the Technical University Munich supported by the research fellowship from the Alexander von Humboldt Foundation. His work was partially supported by the Russian Science Support Foundation, Russian Foundation for Basic Research (Grant No. 01-01-00146, 03-01-00258), and the Grants of the President of Russia (Grant No. MD-87.2003.01, NS-1532.2003.1). The support is gratefully acknowledged. |
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Keywords: | 47J40 74C05 |
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