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math.NA2022
Representative volume element approximations in elastoplastic spring networks
Sabine Haberland, Patrick Jaap, Stefan Neukamm +2
We study the large-scale behavior of a small-strain lattice model for a network composed of elastoplastic springs with random material properties. We formulate the model as an evol…
math.OC2022★ 1 cited
Inexact Proximal Newton methods in Hilbert spaces
Bastian Pötzl, Anton Schiela, Patrick Jaap
We consider Proximal Newton methods with an inexact computation of update steps. To this end, we introduce two inexactness criteria which characterize sufficient accuracy of these…