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pro vyhledávání: '"Eidel, Bernhard"'
Autor:
Eidel, Bernhard
In the present work, 3D convolutional neural networks (CNNs) are trained to link random heterogeneous, two-phase materials of arbitrary phase fractions to their elastic macroscale stiffness thus replacing explicit homogenization simulations. In order
Externí odkaz:
http://arxiv.org/abs/2109.03020
Micro- and mesostructures of multiphase materials obtained from tomography and image acquisition are an ever more important database for simulation analyses. Huge data sets for reconstructed 3d volumes typically as voxel grids call for criteria and m
Externí odkaz:
http://arxiv.org/abs/2103.08957
A cornerstone of computational solid mechanics in the context of digital transformation are databases for microstructures obtained from advanced tomography techniques. Uniform discretizations of pixelized images in 2D are the raw-data point of depart
Externí odkaz:
http://arxiv.org/abs/2009.02180
Autor:
Rizzi, Gianluca, Collet, Manuel, Demore, Félix, Eidel, Bernhard, Neff, Patrizio, Madeo, Angela
While the design of always new metamaterials with exotic static and dynamic properties is attracting deep attention in the last decades, little effort is made to explore their interactions with other materials. This prevents the conception of (meta-)
Externí odkaz:
http://arxiv.org/abs/2007.14942
Autor:
Fischer, Andreas, Eidel, Bernhard
Pixel- and voxel-based representations of microstructures obtained from tomographic imaging methods is an established standard in computational materials science. The corresponding highly resolved, uniform discretitization in numerical analysis is ad
Externí odkaz:
http://arxiv.org/abs/1908.09380
In this paper we address three aspects of nonlinear computational homogenization of elastic solids by two-scale finite element methods. First, we present a nonlinear formulation of the finite element heterogeneous multiscale method FE-HMM in a Lagran
Externí odkaz:
http://arxiv.org/abs/1908.08292
We rigorously determine the scale-independent short range elastic parameters in the relaxed micromorphic generalized continuum model for a given periodic microstructure. This is done using both classical periodic homogenization and a new procedure in
Externí odkaz:
http://arxiv.org/abs/1909.13624
Autor:
Eidel, Bernhard
Publikováno v:
In Computer Methods in Applied Mechanics and Engineering 1 January 2023 403 Part A
The main aim of the present work is to estimate the effective elastic stiffnesses of a two-phase diamond/$\beta$-SiC composite thin film that is fabricated by chemical vapor deposition. The parameters of linear elasticity are determined by numerical
Externí odkaz:
http://arxiv.org/abs/1812.07427
Autor:
Fischer, Andreas, Eidel, Bernhard
A cornerstone of numerical homogenization is the equivalence of the microscopic and the macroscopic energy densities, which is referred to as Hill-Mandel condition. Among these coupling conditions, the cases of periodic, linear displacement and const
Externí odkaz:
http://arxiv.org/abs/1805.03077