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physics.comp-ph2019★ 106 cited
A hybrid approach to simulate the homogenized irreversible elastic-plastic deformations and damage of foams by neural networks
Christoph Settgast, Geralf Hütter, Meinhard Kuna +1
Classically, the constitutive behavior of materials is described either phenomenologically, or by homogenization approaches. Phenomenological approaches are computationally very ef…
physics.comp-ph2019
Kinematics and constitutive relations in the stress-gradient theory: interpretation by homogenization
Geralf Hütter, Karam Sab, Samuel Forest
The stress-gradient theory has a third order tensor as kinematic degree of freedom, which is work-conjugate to the stress gradient. This tensor was called micro-displacements just…