Intern
  • Schild Mathematik Ost
Mathematik in den Naturwissenschaften

Oberseminar Mathematik in den Naturwissenschaften: Martin Kružík, Equilibrium for Multiphase Solids with Eulerian Intefaces

Datum: 11.11.2021, 14:30 - 15:45 Uhr
Kategorie: Seminar, Veranstaltung
Veranstalter: Lehrstuhl für Mathematik VI (Mathematik in den Naturwissenschaften)
Vortragende:r: Institute of Information Theory and Automation Czech Academy of Sciences

via Zoom video conference (request the Zoom link from anja.schloemerkemper@mathematik.uni-wuerzburg.de).

Abstract:

We describe a general phase-field model for hyperelastic multiphase materials. We can consider shape memory alloys as an example of such materials. The model features an elastic energy functional that depends on the phase-field variable and a surface energy term that depends in turn on the elastic deformation, as it measures interfaces in the deformed configuration. We prove existence of energy minimizing equilibrium states and Γ-convergence of diffuse-interface
approximations to the sharp-interface limit.

It is a joint work with D. Grandi (Ferrara), E. Mainini (Genoa), and U. Stefanelli (Vienna).

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