Abstract
The linearized equilibrium equations for straight elastic strings, beams, membranes or plates do not couple tangential and normal components. In the quasistatic evolution occurring above a fixed rigid obstacle with Coulomb dry friction, the normal displacement is governed by a variational inequality whereas the tangential displacement is seen to obey a sweeping process, the theory of which was extensively developed by Moreau in the 70s. In some cases, the underlying moving convex set has bounded retraction and, in these cases, the sweeping process can be solved by directly applying Moreau’s results. However, in many other cases, the bounded retraction condition is not fulfilled and this is seen to be connected to the possible event of moving velocity discontinuities. In such a case, there are no strong solutions and we have to cope with weak solutions of the underlying sweeping process.
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References
Ballard, P.: Frictional contact problems for thin elastic structures and weak solutions of sweeping process. Archive of Rational Mechanics and Analysis 198, 789–833 (2010)
Moreau, J.J.: Evolution problem associated with a moving convex set in a hilbert space. Journal of Differential Equations 26, 169–203 (1977)
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© 2013 Springer-Verlag Berlin Heidelberg
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Ballard, P. (2013). Frictional Contact Problems for Thin Elastic Structures and Weak Solutions of Sweeping Process. In: Stavroulakis, G. (eds) Recent Advances in Contact Mechanics. Lecture Notes in Applied and Computational Mechanics, vol 56. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-33968-4_7
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DOI: https://doi.org/10.1007/978-3-642-33968-4_7
Publisher Name: Springer, Berlin, Heidelberg
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