Now showing items 1-20 of 22

    • 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
      Open Access
      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 ...
    • A robust and scalable unfitted adaptive finite element framework for nonlinear solid mechanics 

      Badia, Santiago; Caicedo Silva, Manuel Alejandro; Martín, Alberto F.; Principe, Ricardo Javier (2021-12)
      Article
      Open Access
      In this work, we bridge standard Adaptive Mesh Refinement and coarsening (AMR) on scalable octree background meshes and robust unfitted Finite Element (FE) formulations for the automatic and efficient solution of large-scale ...
    • 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)
      Conference lecture
      Open Access
      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 ...
    • 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
      Restricted access - publisher's policy
      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 ...
    • Computational multiscale modeling of fracture and its model order reduction 

      Caicedo Silva, Manuel Alejandro (Universitat Politècnica de Catalunya, 2017-02-24)
      Doctoral thesis
      Open Access
      This thesis focuses on the numerical modeling of fracture and its propagation in heterogeneous materials by means of hierarchical multiscale models based on the FE2 method, addressing at the same time, the problem of the ...
    • Continuum approach to computational multi-scale modeling of fracture 

      Oliver Olivella, Xavier; Caicedo Silva, Manuel Alejandro; Roubin, Emmanuel; Huespe, Alfredo Edmundo (2014-09-01)
      Article
      Open Access
      This paper presents a FE2 multi-scale framework for numerical modeling of the structural failure of heterogeneous quasi-brittle materials. The model is assessed by application to cementitious materials. Using the Continuum ...
    • Continuum approach to computational multiscale modeling of propagating fracture 

      Oliver Olivella, Xavier; Caicedo Silva, Manuel Alejandro; Roubin, Emmanuel; Huespe, Alfredo Edmundo; Hernández Ortega, Joaquín Alberto (2015-09)
      Article
      Open Access
      A new approach to two-scale modeling of propagating fracture, based on computational homogenization (FE2), is presented. The specific features of the approach are: a) a continuum setting for representation of the fracture ...
    • Dimensional hyper-reduction of nonlinear finite element models via empirical cubature 

      Hernández Ortega, Joaquín Alberto; Caicedo Silva, Manuel Alejandro; Ferrer Ferré, Àlex (2017-01)
      Article
      Open Access
      We present a general framework for the dimensional reduction, in terms of number of degrees of freedom as well as number of integration points (“hyper-reduction”), of nonlinear parameterized finite element (FE) models. The ...
    • ERM: Examen FQ: primavera 2019 

      Caicedo Silva, Manuel Alejandro; Bonilla de Toro, Jesús (Universitat Politècnica de Catalunya, 2019-06-05)
      Exam
      Restricted access to the UPC academic community
    • ERM: Examen FQ: primavera 2019 

      Caicedo Silva, Manuel Alejandro; Bonilla de Toro, Jesús (Universitat Politècnica de Catalunya, 2019-06-05)
      Exam
      Restricted access to the UPC academic community
    • ERM: Examen FQ: tardor 2018 

      Bonilla de Toro, Jesús; Caicedo Silva, Manuel Alejandro (Universitat Politècnica de Catalunya, 2019-01-11)
      Exam
      Restricted access to the UPC academic community
    • ERM: Examen FQ: tardor 2018 

      Caicedo Silva, Manuel Alejandro; Bonilla de Toro, Jesús (Universitat Politècnica de Catalunya, 2019-01-11)
      Exam
      Restricted access to the UPC academic community
    • ERM: Examen MQ: primavera 2019 

      Caicedo Silva, Manuel Alejandro; Bonilla de Toro, Jesús (Universitat Politècnica de Catalunya, 2019-03-27)
      Exam
      Restricted access to the UPC academic community
    • ERM: Examen MQ: primavera 2019 

      Caicedo Silva, Manuel Alejandro; Bonilla de Toro, Jesús (Universitat Politècnica de Catalunya, 2019-03-27)
      Exam
      Restricted access to the UPC academic community
    • ERM: Examen MQ: tardor 2018 

      Caicedo Silva, Manuel Alejandro; Bonilla de Toro, Jesús (Universitat Politècnica de Catalunya, 2018-11-06)
      Exam
      Restricted access to the UPC academic community
    • ERM: Examen MQ: tardor 2018 

      Caicedo Silva, Manuel Alejandro; Bonilla de Toro, Jesús (Universitat Politècnica de Catalunya, 2018-11-06)
      Exam
      Restricted access to the UPC academic community
    • High performance reduced order modeling techniques based on optimal energy quadrature: application to geometrically non-linear multiscale inelastic material modeling 

      Caicedo Silva, Manuel Alejandro; Mroginski, Javier L.; Toro, Sebastian; Raschi Schaw, Marcelo; Huespe, Alfredo Edmundo; Oliver Olivella, Xavier (2019-09)
      Article
      Open Access
      A High-Performance Reduced-Order Model (HPROM) technique, previously presented by the authors in the context of hierarchical multiscale models for non linear-materials undergoing infinitesimal strains, is generalized to ...
    • High-performance model order reduction techniques in non-linear multiscale fracture problems 

      Caicedo Silva, Manuel Alejandro; Oliver Olivella, Xavier; Huespe, Alfredo Edmundo; Lloberas Valls, Oriol (2017)
      Conference report
      Restricted access - publisher's policy
      In this work presents a strategy to diminish the computational cost of a hierarchical (FE2) multi-scale computational homogenization approach for fracture problems is presented. Focusing on concepts as Reduced Order Modeling ...
    • High-performance model reduction techniques in computational multiscale homogenization 

      Hernández Ortega, Joaquín Alberto; Oliver Olivella, Xavier; Huespe, Alfredo Edmundo; Caicedo Silva, Manuel Alejandro; Cante Terán, Juan Carlos (2014-07-01)
      Article
      Open Access
      A novel model-order reduction technique for the solution of the fine-scale equilibrium problem appearing in computational homogenization is presented. The reduced set of empirical shape functions is obtained using a ...
    • Model Order Reduction in computational multiscale fracture mechanics 

      Caicedo Silva, Manuel Alejandro; Oliver Olivella, Xavier; Huespe, Alfredo Edmundo; Lloberas Valls, Oriol (2016-09)
      Article
      Open Access
      Nowadays, the model order reduction techniques have become an intensive research eld because of the increasing interest in the computational modeling of complex phenomena in multi-physic problems, and its conse- quent ...