ANiComp - Anàlisi numèrica i computació científica: Recent submissions
Now showing items 1-12 of 132
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Global incidence, prevalence, years lived with disability (YLDs), disability-adjusted life-years (DALYs), and healthy life expectancy (HALE) for 371 diseases and injuries in 204 countries and territories and 811 subnational locations, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021
(2024-05-18)
Article
Open AccessDetailed, comprehensive, and timely reporting on population health by underlying causes of disability and premature death is crucial to understanding and responding to complex patterns of disease and injury burden over ... -
High-fidelity part-scale simulations in metal additive manufacturing using a computationally efficient and accurate approach
(Elsevier, 2025-04)
Article
Restricted access - publisher's policyThis paper introduces a novel local–global thermo-mechanical simulation method based on the Virtual Domain Approximation (VDA) to enhance part-scale analysis in Direct Energy Deposition (DED), a prominent Metal Additive ... -
Accuracy and scalability of incompressible inductionless MHD codes applied to fusion technologies
(2024-10-01)
Article
Open AccessIt is well-known that magnetohydrodynamics (MHD) dominates the dynamic of the liquid metal flows inside the breeding blankets (BB) of future nuclear fusion plants by magnetic confinement. MHD is a multiphysics phenomenon ... -
Integrating temperature history into inherent strain methodology for improved distortion prediction in laser powder bed fusion
(Multidisciplinary Digital Publishing Institute (MDPI), 2025-02)
Article
Open AccessPowder bed fusion–laser beam (PBF-LB) additive manufacturing enables the production of intricate, lightweight metal components aligned with Industry 4.0 and sustainable principles. However, residual stresses and distortions ... -
Defining and optimising high-fidelity models for accurate inherent strain calculation in laser powder bed fusion
(Multidisciplinary Digital Publishing Institute (MDPI), 2025-02)
Article
Open AccessPowder Bed Fusion–Laser Beam (PBF-LB) is a leading technique in metal additive manufacturing, yet it continues to face challenges related to residual stresses and distortions. The inherent strain method has emerged as a ... -
A high-order immersed boundary method to approximate flow problems in domains with curved boundaries
(2025-05)
Article
Open AccessHigh-order h/p solvers in computational fluid dynamics offer scalability, efficiency, and superior error reduction compared to traditional low-order methods. Immersed boundary methods eliminate the need for body-fitted ... -
Finite element formulations for Maxwell's eigenvalue problem using continuous Lagrangian interpolations
(2025-04)
Article
Restricted access - publisher's policyWe consider nodal-based Lagrangian interpolations for the finite element approximation of the Maxwell eigenvalue problem. The first approach introduced is a standard Galerkin method on Powell–Sabin meshes, which has recently ... -
Approximation of acoustic black holes with finite element mixed formulations and artificial neural network correction terms
(Elsevier, 2024-11)
Article
Restricted access - publisher's policyWave propagation in elastodynamic problems in solids often requires fine computational meshes. In this work we propose to combine stabilized finite element methods (FEM) with an artificial neural network (ANN) correction ... -
Embedded technology for enhanced modeling of Friction Stir Welding processes
(Elsevier, 2025-02)
Article
Open AccessFriction Stir Welding (FSW) is a solid-state joining process that has several benefits over conventional welding techniques. A major challenge is its high sensitivity to process parameters such as advancing and rotational ... -
Modeling the effect of material heterogeneity on the thermo-mechanical behavior of concrete using mesoscale and stochastic field approaches
(2024-10)
Article
Restricted access - publisher's policyThe adverse impact of high temperatures on concrete is a well-recognized issue that can lead to significant mechanical deterioration and structural integrity loss. Factors such as aggregate type, cement composition, ... -
Dynamic and modal analysis of nearly incompressible structures with stabilised displacement-volumetric strain formulations
(Elsevier, 2024-12)
Article
Open AccessThis paper presents a dynamic formulation for the simulation of nearly incompressible structures using a mixed finite element method with equal-order interpolation pairs. Specifically, the nodal unknowns are the displacement ... -
Finite element approximation of stabilized mixed models in finite strain hyperelasticity involving displacements and stresses and/or pressure: an overview of alternatives
(2024-09)
Article
Open AccessThis paper presents mixed finite element formulations to approximate the hyperelasticity problem using as unknowns the displacements and either stresses or pressure or both. These mixed formulations require either finite ...
