Effective reduced-order approximation for fast and robust MCRE-based parametric identification of nonlinear history-dependent material laws [0.03%]
基于MCRE的非线性历史依赖型材料参数识别的快速鲁棒降阶逼近方法
Mainak Bhattacharyya,Ludovic Chamoin
Mainak Bhattacharyya
This article essentially addresses the numerical frugality of model updating procedures using reduced order modelling. Nonlinear material behaviour is tackled in the article with the focus being on elasto(visco)-plasticity and elasto(visco)...
Physics-informed data-driven discovery of constitutive models with application to strain-rate-sensitive soft materials [0.03%]
基于物理信息的力学模型数据驱动建模方法及其在软材料中的应用
Kshitiz Upadhyay,Jan N Fuhg,Nikolaos Bouklas et al.
Kshitiz Upadhyay et al.
A novel data-driven constitutive modeling approach is proposed, which combines the physics-informed nature of modeling based on continuum thermodynamics with the benefits of machine learning. This approach is demonstrated on strain-rate-sen...
A mixed-order quasicontinuum approach for beam-based architected materials with application to fracture [0.03%]
用于梁基架构材料的混合阶准连续方法及其在断裂方面的应用
Kevin Kraschewski,Gregory P Phlipot,Dennis M Kochmann
Kevin Kraschewski
Predicting the mechanics of large structural networks, such as beam-based architected materials, requires a multiscale computational strategy that preserves information about the discrete structure while being applicable to large assemblies...
Jonas Heinzmann,Pietro Carrara,Marreddy Ambati et al.
Jonas Heinzmann et al.
Abstract: Phase-field models of fatigue are capable of reproducing the main phenomenology of fatigue behavior. However, phase-field computations in the high-cycle fatigue regime are prohibitively expensive due to the need...
Level set-based XFEM modelling of the multi-scale hygro-mechanical behaviour of oak wood using morphological input from [Formula: see text] CT [0.03%]
基于水平集的XFEM模型模拟橡木多尺度水分力学行为并使用[Formula: see text]CT输入形状数据
M A Livani,A S J Suiker,M P F H L van Maris et al.
M A Livani et al.
A computational multi-scale model is presented to predict the macroscopic hygro-mechanical behaviour of oak wood, based on detailed three-dimensional mesoscopic representations of entire oak growth rings obtained by X-ray micro-computed tom...
Yannis Voet,Espen Sande,Annalisa Buffa
Yannis Voet
Mass scaling is widely used in finite element models of structural dynamics for increasing the critical time step of explicit time integration methods. While the field has been flourishing over the years, it still lacks a strong theoretical...
Model and mesh selection from a mCRE functional in the context of parameter identification with full-field measurements [0.03%]
基于全场测量参数识别的mCRE泛函下的模型与网格选择问题研究
Hai Nam Nguyen,Ludovic Chamoin
Hai Nam Nguyen
In this paper, we propose a general deterministic framework to question the relevance, assess the quality, and ultimately choose the features (in terms of model class and discretization mesh) of the employed computational mechanics model wh...
Democratizing biomedical simulation through automated model discovery and a universal material subroutine [0.03%]
通过自动化模型发现和通用材料子例程实现生物医学模拟的民主化
Mathias Peirlinck,Kevin Linka,Juan A Hurtado et al.
Mathias Peirlinck et al.
Personalized computational simulations have emerged as a vital tool to understand the biomechanical factors of a disease, predict disease progression, and design personalized intervention. Material modeling is critical for realistic biomedi...
A comparison of formulations and non-linear solvers for computational modelling of semiconductor devices [0.03%]
半导体器件计算建模的模型与非线性求解器比较研究
Sergi Pérez-Escudero,David Codony,Irene Arias et al.
Sergi Pérez-Escudero et al.
The drift-diffusion formulation, modelling semiconductor materials in terms of carrier densities and electric potential, is considered together with an alternative formulation in terms of dimensionless logarithmic quantities. Stability of b...
A consistent discretization via the finite radon transform for FFT-based computational micromechanics [0.03%]
基于FFT的计算微力学中有限Radon变换的一致离散化方法
Lukas Jabs,Matti Schneider
Lukas Jabs
This work explores connections between FFT-based computational micromechanics and a homogenization approach based on the finite Radon transform introduced by Derraz and co-workers. We revisit periodic homogenization from a Radon point of vi...