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  A scalable thermo-mechanical framework for the part-scale analysis in metal additive manufacturing processes 

  Filho, Carlos Augusto Moreira; Caicedo Silva, Manuel Alejandro; Cervera Ruiz, Miguel; Chiumenti, Michele; Baiges Aznar, Joan (2023)
  Comunicació de congrés
  Accés obert

  This work introduces an Additive Manufacturing (AM) Finite Element (FE) framework for the large-scale thermo-mechanical modeling of metal parts. Due to the complexity of the physical phe- nomenon and to meet the demands ...
• Artificial neural network based correction for reduced order models in computational fluid mechanics 

  Dar, Zulkeefal; Baiges Aznar, Joan; Codina, Ramon (Elsevier, 2023-10)
  Article
  Accés restringit per política de l'editorial

  In this paper we propose a reduced order model (ROM) for incompressible flows based on proper orthogonal decomposition (POD) and having a finite element approximation as full order model (FOM). The main idea is to start ...
• An accurate, adaptive and scalable parallel finite element framework for the part-scale thermo-mechanical analysis in metal additive manufacturing processes 

  Filho, Carlos Augusto Moreira; Caicedo Silva, Manuel Alejandro; Cervera Ruiz, Miguel; Chiumenti, Michele; Baiges Aznar, Joan (Springer, 2023-10-06)
  Article
  Accés restringit per política de l'editorial

  This work introduces a distributed memory machine and octree-based Finite Element (FE) framework for modeling metal Additive Manufacturing (AM) processes. In this sense, an Adaptive Mesh Refinement (AMR) is used to accurately ...
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  A massively parallel implementation of multilevel Monte Carlo for finite element models 

  Badia, Santiago; Hampton, Jerrad; Principe, Ricardo Javier (2023-11-01)
  Article
  Accés obert

  The Multilevel Monte Carlo (MLMC) method has proven to be an effective variance-reduction statistical method for Uncertainty Quantification (UQ) in Partial Differential Equation (PDE) models, combining model computations ...
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  Global, regional, and national burden of diabetes from 1990 to 2021, with projections of prevalence to 2050: a systematic analysis for the Global Burden of Disease Study 2021 

  Mclaughlin, S; Dalton, Benjamin; Haidar Ahmad, Dima; Ahmad, Shahid; Ahmadi, Abolfaz; Aljahdali, Hani Moaiteq; Andrei, C.O.; Al Badawi, Ahmad; Bagherieh, Sara; Bhaskar, Sonu; Cho, Wonjun; Chu, Dewei; Díaz Sánchez, Daniel; Feng, Xiaodong; Ben Hassen, M.; Heidari, Majid; Hossain, Md Abid; Hosseinzadeh, Mohammad Reza; Ben-Yehuda, Muli; Hussain, Syed Asad; Kilic, Mukremin; Iqbal Begum, Awais; Jain, Rahul; Joseph, Augustine; Kebede, S; Koyanagi, Ai; Kumar, Haresh; Kundu, Swarup; Larsson, A.; Lee, Wonyoung; Anchalee, Puengnim; Lopes, Gonçalo; Mahmoud, Malak Maher Fawzy; Cusmai, Adriel; Makris, K G; Malik Ara, Ibrar; Al Mamun, Abdullah; Martini, Séverine; Marzo Lafuente, Rafael; Mossialos, E; Mueller, Ute; Panagiotakos, Demosthenes; Patel, J M; Rahmani, Saman; Rashidi Meybodi, Mehdi; Riaz, Maryam; Salemsafi, Sanam; Sahebkar, Amirhossein; Salehi, Maryam; Salomón Arquedas, Juan Carlos; Sanabria, José A.; Schlaich, Mike; Singh, Parvesh; Soleimani, Hesam; Patan, Krzysztof; Tyrovolas, Stefanos; Vaziri, Sam; Verma, Manish; Bozhevolnyi, Sergey I; Moniruzzaman, Shaikh; Zare, Iman; Zoladl, Mohammad; Zou, ZhiXiang; Vos, Tanja; Marateb, Hamid Reza (2023-06)
  Article
  Accés obert

  Background Diabetes is one of the leading causes of death and disability worldwide, and affects people regardless of country, age group, or sex. Using the most recent evidentiary and analytical framework from the Global ...
• An accurate approach to simulate friction stir welding processes using adaptive formulation refinement 

  Venghaus, Henning; Chiumenti, Michele; Baiges Aznar, Joan; Juhre, Daniel; Castañar Pérez, Inocencio (Elsevier, 2023-07-07)
  Article
  Accés restringit per política de l'editorial

  A novel Adaptive Formulation Refinement (AFR) strategy for Friction Stir Welding (FSW) problems is presented. In FSW, the accurate computation of strains is crucial to correctly predict the highly non-linear material ...
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  A variational multiscale stabilized finite element formulation for Reissner–Mindlin plates and Timoshenko beams 

  Aguirre Ruz, Alejandro; Codina, Ramon; Baiges Aznar, Joan (Elsevier, 2023-05)
  Article
  Accés obert

  The theories for thick plates and beams, namely Reissner–Mindlin’s and Timoshenko’s theories, are well known to suffer numerical locking when approximated using the standard Galerkin finite element method for small ...
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  Numerical simulation of Fluid–Structure Interaction problems with viscoelastic fluids using a log-conformation reformulation 

  Moreno Martínez, Laura; Castañar Pérez, Inocencio; Codina, Ramon; Baiges Aznar, Joan; Cattoni, Domingo (2023-05)
  Article
  Accés obert

  In this paper the numerical simulation of the interaction between Oldroyd-B viscoelastic fluid flows and hyperelastic solids is approached. The algorithm employed is a classical block-iterative scheme, in which the solid ...
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  A stabilized mixed three-field formulation for stress accurate analysis including the incompressible limit in finite strain solid dynamics 

  Castañar Pérez, Inocencio; Codina, Ramon; Baiges Aznar, Joan (2023)
  Article
  Accés obert

  In this work a new methodology for finite strain solid dynamics problems for stress accurate analysis including the incompressible limit is presented. In previous works, the authors have presented the stabilized mixed ...
• Mixed stabilized finite element methods in linear elasticity for the velocity–stress equations in the time and the frequency domains 

  Fabra Ruiz, Arnau; Codina, Ramon (2023-02)
  Article
  Accés restringit per política de l'editorial

  In this work we present stabilized finite element methods for the mixed velocity–stress elasticity equations and for its irreducible velocity form. This is done both for the time and frequency domains, the latter being ...
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  A multi-criteria h-adaptive finite-element framework for industrial part-scale thermal analysis in additive manufacturing processes 

  Filho, Carlos Augusto Moreira; Caicedo Silva, Manuel Alejandro; Cervera Ruiz, Miguel; Chiumenti, Michele; Baiges Aznar, Joan (2022-12)
  Article
  Accés obert

  This work presents an h-adaptive finite-element (FE) strategy to address the numerical simulation of additive manufacturing (AM) of large-scale parts. The wire-arc additive manufacturing is chosen as the demonstrative ...
• Finite element approximation of wave problems with correcting terms based on training artificial neural networks with fine solutions 

  Fabra Ruiz, Arnau; Baiges Aznar, Joan; Codina, Ramon (2022-09)
  Article
  Accés restringit per política de l'editorial

  In this paper we present a general idea to correct coarse models by introducing a correcting term designed from fine solutions that can be then applied to situations in which a fine solution is not available. We apply this ...

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