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K-State Today

February 25, 2014

Mathematics Colloquium lecture Feb. 25

By Reta McDermott

Bacim Alali, Florida State University, will present "Nonlocal Continuum Mechanics" as part of the mathematics department Colloquium lecture series at 2:30 p.m. Tuesday, Feb. 25, in 122 Cardwell Hall.

The abstract for the lecture is:
Peridynamics is a nonlocal continuum mechanics theory that is based on integral equations and oriented toward modeling of fracture in solids. In this talk, I will present results on the convergence of peridynamics inside heterogeneous media in the limit of vanishing nonlocality. A new peridynamic material interface model that includes nonlocal interface conditions is introduced and its convergence to the classical interface model of linear elasticity is discussed. In addition, I will present results on the homogenization of peridynamics inside composites with microstructure.