Immersed boundary-conformal isogeometric LaTIn method for multiple non-linear interfaces

E Lapina, P Oumaziz, R Bouclier - Engineering with Computers, 2024 - Springer
Computational micromechanics appears of the utmost importance, especially in the current
context of digital twins in mechanics of materials. The objective here is to develop an …

A systematic comparison between FEBio and PolyFEM for biomechanical systems

L Martin, P Jain, Z Ferguson, T Gholamalizadeh… - Computer Methods and …, 2024 - Elsevier
Abstract Background and Objectives Finite element simulations are widely employed as a
non-invasive and cost-effective approach for predicting outcomes in biomechanical …

Cut finite element discretizations of cell-by-cell EMI electrophysiology models

N Berre, ME Rognes, A Massing - SIAM Journal on Scientific Computing, 2024 - SIAM
The EMI (extracellular-membrane-intracellular) model describes electrical activity in
excitable tissue, where the extracellular and intracellular spaces and cellular membrane are …

[HTML][HTML] A generalized multigrid method for solving contact problems in Lagrange multiplier based unfitted Finite Element Method

H Kothari, R Krause - Computer methods in applied mechanics and …, 2022 - Elsevier
Internal interfaces in a domain could exist as a material defect or they can appear due to
propagations of cracks. Discretization of such geometries and solution of the contact …

Mechanistic multiscale modelling of energy metabolism in human astrocytes reveals the impact of morphology changes in Alzheimer's Disease

S Farina, V Voorsluijs, S Fixemer… - PLoS Computational …, 2023 - journals.plos.org
Astrocytes with their specialised morphology are essential for brain homeostasis as
metabolic mediators between blood vessels and neurons. In neurodegenerative diseases …

[HTML][HTML] Patient-specific numerical simulation of the bone healing process including implant materials and gait conditions

A Martínez-Martínez, E Nadal, D Bonete, O Allix… - Finite Elements in …, 2024 - Elsevier
Numerical simulations in biomechanics, particularly in bone healing, present a cost-effective
option compared to experiments that demand prolonged observations with human or with …

[HTML][HTML] Concurrent multiscale analysis without meshing: Microscale representation with CutFEM and micro/macro model blending

E Mikaeili, S Claus, P Kerfriden - Computer Methods in Applied Mechanics …, 2022 - Elsevier
In this paper, we develop a novel unfitted multiscale framework that combines two separate
scales represented by only one single computational mesh. Our framework relies on a …

[PDF][PDF] A novel hierarchical multiresolution framework using CutFEM

E Mikaeili, S Claus, P Kerfriden - arXiv preprint arXiv:2201.04698, 2022 - academia.edu
In this paper, we propose a robust concurrent multiscale method for continuum-continuum
coupling based on the cut finite element method. The computational domain is defined in a …

Mechanistic multiscale modelling of energy metabolism in human astrocytes indicates morphological effects in Alzheimer's Disease

S Farina, V Voorsluijs, S Fixemer, D Bouvier, S Claus… - bioRxiv, 2022 - biorxiv.org
Astrocytes with their specialized morphology are essential for brain homeostasis as
metabolic mediators between blood vessels and neurons. In neurodegenerative diseases …

Local uncovering of unresolved physics in structural mechanics: seamless choice of modelling resolution using a CutFEM level-set approach

E Mikaeili, P Kerfriden, S Claus - arXiv preprint arXiv:2201.04698, 2022 - arxiv.org
In this paper, we present a robust and efficient unfitted concurrent multiscale method for
continuum-continuum coupling, based on the Cut Finite Element Method (CutFEM). The …