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math.AP2024
Quasistatic nonassociative plasticity at finite strains
Ulisse Stefanelli, Andreas Vikelis
We investigate finite-strain elastoplastic evolution in the nonassociative setting. The constitutive material model is formulated in variational terms and coupled with the quasista…
math.AP2024
The double-bubble problem in three dimensions
Manuel Friedrich, Wojciech Górny, Ulisse Stefanelli
We characterize the unique minimizer of the three-dimensional double-bubble problem with respect to the -norm for volume ratios between and .
math.AP2024
Nonlocal-to-local limit in linearized viscoelasticity
Manuel Friedrich, Manuel Seitz, Ulisse Stefanelli
We study the quasistatic evolution of a linear peridynamic Kelvin-Voigt viscoelastic material. More specifically, we consider the gradient flow of a nonlocal elastic energy with re…