Seminario: "Models of adhesive contacts delaminating at mixity modes"
After introducing a basic concept of quasistatic rate-independent adhesive contacts and surveying some results about it, a refinement by reflection of the mode of delamination will be exposed. As a matter of fact, engineering models distinguishes Mode I (=opening, with rather small activation energy needed) from Mode II (=shearing, with usually much bigger activation energy). Mixity mode combining both modes occurs most typically, rather than a pure Mode I or II. Some mixity-sensitive models bear rigorous mathematical and numerical analysis. Two-dimensional computational experiments will be presented, too. Eventually, some rate-dependent effects like healing or viscosity or inertia will be mentioned. The presentation will reflect collaboration with L. Freddi, M. Kruzik, A. Mielke, V. Mantic, R. Paroni, R. Rossi, L. Scardia, M. Thomas, and C. Zanini, including computational simulations from M. Kocvara, C.G. Panagiotopoulos, R. Vodicka, J. Zeman.
from 09:30 to 10:30
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Il seminario sarà tenuto dal Prof. Tomas Roubicek della Charles University di Praga