Identifying material parameters in crystal plasticity by Bayesian optimization

J Kuhn, J Spitz, P Sonnweber-Ribic… - Optimization and …, 2021 - Springer
In this work, we advocate using Bayesian techniques for inversely identifying material
parameters for multiscale crystal plasticity models. Multiscale approaches for modeling …

Finite-element and semi-analytical study of elastic wave propagation in strongly scattering polycrystals

M Huang, P Huthwaite, SI Rokhlin… - Proceedings of the …, 2022 - royalsocietypublishing.org
This work studies scattering-induced elastic wave attenuation and phase velocity variation in
three-dimensional untextured cubic polycrystals with statistically equiaxed grains using the …

[HTML][HTML] A rate-independent crystal plasticity algorithm based on the interior point method

ES Perdahcıoğlu - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
A robust rate-independent crystal plasticity algorithm is proposed where the amount of
plastic slip required to satisfy the multi-surface yield conditions are determined using a flow …

On attempting to create a virtual laboratory for application-oriented microstructural optimization of multi-phase materials

F Qayyum, S Guk, R Kawalla, U Prahl - Applied Sciences, 2021 - mdpi.com
Featured Application The current work is a step towards developing a virtual laboratory for
engineering materials for targeted applications using a microstructurally informed crystal …

Generating polycrystalline microstructures with prescribed tensorial texture coefficients

J Kuhn, M Schneider, P Sonnweber-Ribic… - Computational …, 2022 - Springer
This work is concerned with synthetic microstructure models of polycrystalline materials.
Once a representation of the microstructure is generated, the individual grains need to be …

A new method for design and calculating the mechanical properties and energy absorption behavior of cellular structures using foam microstructure modeling based …

A Shiravand, M Asgari - Structures, 2022 - Elsevier
In this paper, the elastic modulus and energy absorption behavior of cellular structures such
as aluminum foams have been investigated. The main purpose of this study is to develop …

An optimal transport model for dynamical shapes, collective motion and cellular aggregates

A Diez, J Feydy - arXiv preprint arXiv:2402.17086, 2024 - arxiv.org
Many biological systems such as cell aggregates, tissues or bacterial colonies behave as
unconventional systems of particles that are strongly constrained by volume exclusion and …

A Poisson–Voronoi-based finite element stress analysis of resonating polysilicon micromachines

R Xu, K Komvopoulos - Acta Mechanica, 2023 - Springer
The development of reliable miniaturized devices capable of performing sensing, actuation,
and computing functions in a robust manner strongly depends on the mechanical …

Efficient fitting of 3D tessellations to curved polycrystalline grain boundaries

L Petrich, O Furat, M Wang, CE Krill Iii… - Frontiers in Materials, 2021 - frontiersin.org
The curvature of grain boundaries in polycrystalline materials is an important characteristic,
since it plays a key role in phenomena like grain growth. However, most traditional …

[HTML][HTML] Geometric modelling of polycrystalline materials: Laguerre tessellations and periodic semi-discrete optimal transport

DP Bourne, M Pearce, SM Roper - Mechanics Research Communications, 2023 - Elsevier
In this paper we describe a fast algorithm for generating periodic RVEs of polycrystalline
materials. In particular, we use the damped Newton method from semi-discrete optimal …