Stability and conditioning of immersed finite element methods: analysis and remedies

F de Prenter, CV Verhoosel, EH van Brummelen… - … Methods in Engineering, 2023 - Springer
This review paper discusses the developments in immersed or unfitted finite element
methods over the past decade. The main focus is the analysis and the treatment of the …

A review on some discrete variational techniques for the approximation of essential boundary conditions

F Chouly - Vietnam Journal of Mathematics, 2024 - Springer
We review different techniques to enforce essential boundary conditions, such as the
(nonhomogeneous) Dirichlet boundary condition, within a discrete variational framework …

Exact 3D boundary representation in finite element analysis based on Cartesian grids independent of the geometry

O Marco, R Sevilla, Y Zhang… - … Journal for Numerical …, 2015 - Wiley Online Library
This paper proposes a novel Immersed Boundary Method where the embedded domain is
exactly described by using its Computer‐Aided Design (CAD) boundary representation with …

Quantifying discretization errors for soft tissue simulation in computer assisted surgery: A preliminary study

M Duprez, SPA Bordas, M Bucki, HP Bui… - Applied Mathematical …, 2020 - Elsevier
Errors in biomechanics simulations arise from modelling and discretization. Modelling errors
are due to the choice of the mathematical model whilst discretization errors measure the …

Anisotropic variational mesh adaptation for embedded finite element methods

S Rahmani, J Baiges, J Principe - Computer Methods in Applied Mechanics …, 2025 - Elsevier
Embedded or immersed boundary methods (IBM) are powerful mesh-based techniques that
permit to solve partial differential equations (PDEs) in complex geometries circumventing the …

Direct medical image-based Finite Element modelling for patient-specific simulation of future implants

L Giovannelli, JJ Ródenas, JM Navarro-Jiménez… - Finite Elements in …, 2017 - Elsevier
In patient specific biomedical simulation, the numerical model is usually created after
cumbersome, time consuming procedures which often require highly specialized human …

[HTML][HTML] Methodology for the assessment of the risk of failure of metastatic vertebrae through ROM-based patient-specific simulations

X Garcia-Andrés, E Nadal, E Arana… - Computers & …, 2024 - Elsevier
The structural performance of a vertebra can be significantly undermined if it develops a
tumour, that could even lead to the vertebra's structural collapse. In cancers with a high …

[HTML][HTML] Bone remodelling-based numerical evaluation of personalized masticatory forces from CT-scans

J Gutiérrez-Gil, E Nadal, K Bouza, M Tur… - Computer Methods in …, 2022 - Elsevier
In recent years, the patient specific medical scenario has gained increasing popularity in
health and engineering research. Unlike the standard medical paradigm (generalized …

Allying topology and shape optimization through machine learning algorithms

D Muñoz, E Nadal, J Albelda, F Chinesta… - Finite Elements in …, 2022 - Elsevier
Structural optimization is part of the mechanical engineering field and, in most cases, tries to
minimize the overall weight of a given design domain, subjected to functionality constraints …

Improvement in 3D topology optimization with h‐adaptive refinement using the Cartesian grid Finite Element Method

D Muñoz, J Albelda, JJ Ródenas… - International Journal for …, 2022 - Wiley Online Library
The growing number of scientific publications on topology optimization (TO) shows the great
interest that this technique has generated in recent years. Among the different …