Abstract
We investigate regularity properties of the stress tensor near the boundary for models of elasto-plasticity in arbitrary dimension. Focusing on special geometries, namely on balls and infinite strips, we obtain L 2-estimates for the tangential derivatives of the stress tensor near the boundary. We indicate why these estimates may fail for more general domains. In addition, we establish L 2-estimates for (the trace of) the stress tensor on the boundary.
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Miroslav Bulíček thanks Collaborative Research Center (SFB) 611 and Jindřich Nečas Center for Mathematical Modeling, for their support extended under project LC06052, financed by MŠMT.
Jens Frehse acknowledges Jindřich Nečas Center for Mathematical Modeling for its support under the project LC06052.
Josef Málek’s contribution is a part of the research project MSM 0021620839, financed by MŠMT; the support of GAČR 201/09/0917 is also acknowledged.
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Bulíček, M., Frehse, J. & Málek, J. On boundary regularity for the stress in problems of linearized elasto-plasticity. Int J Adv Eng Sci Appl Math 1, 141–156 (2009). https://doi.org/10.1007/s12572-010-0001-z
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DOI: https://doi.org/10.1007/s12572-010-0001-z