Exploració per altres contribucions "Universitat Politècnica de Catalunya. LACÀN - Mètodes Numèrics en Ciències Aplicades i Enginyeria"
Ara es mostren els items 1-20 de 798
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3D magnetotelluric modeling using high-order tetrahedral Nédélec elements on massively parallel computing platforms
(2022-03)
Article
Accés obertWe present a routine for 3D magnetotelluric (MT) modeling based upon high-order edge finite element method (HEFEM), tailored and unstructured tetrahedral meshes, and high-performance computing (HPC). This imple- mentation ... -
3D NURBS-enhanced finite element method (NEFEM)
(Wiley and Sons, 2011-10-14)
Article
Accés restringit per política de l'editorialThis paper presents the extension of the recently proposed NURBS-enhanced finite element method (NEFEM) to 3D domains. NEFEM is able to exactly represent the geometry of the computational domain by means of its CAD boundary ... -
A 3D CFD numerical study of the bubble generation process into a bubble Tjunction generator and its comparison with experimental data: Part I
(2016)
Text en actes de congrés
Accés obertThis work presents a 3D numerical study of the bubble generation process into a bubble generator obtained with the commercial Computational Fluid Dynamics solver ANSYS Fluent v15.0.7, and its comparison with experimental ... -
A 3D CFD numerical study of the bubble generation process into a bubble Tjunction generator and its comparison with experimental data: Part II
(2016)
Text en actes de congrés
Accés obertThis work is a continuation of the 3D numerical study of the bubble generation process into a T-junction bubble generator (1 mm of internal diameter) obtained with the commercial Computational Fluid Dynamics solver ANSYS ... -
A 3D finite element model of ventral furrow invagination in the Drosophila melanogaster embryo
(2008-04)
Article
Accés obertThe paper describes a mechanical model of epithelial tissue development in Drosophila embryos to investigate a buckling phenomenon called invagination. The finite element method is used to model this ventral furrow formation ... -
A 3D numerical study of the bubble generation process into a bubble T-junction generator and its comparison with experimental data: part I
(2016)
Text en actes de congrés
Accés obertThis work presents a 3D numerical study of the bubble generation process into a bubble generator obtained with the commercial Computational Fluid Dynamics solver ANSYS Fluent v15.0.7, and its comparison with experimental ... -
A biomechanical analysis of ventral furrow formation in the Drosophila melanogaster embryo
(2012-03-28)
Article
Accés obertThe article provides a biomechanical analysis of ventral furrow formation in the Drosophila melanogaster embryo. Ventral furrow formation is the first large-scale morphogenetic movement in the fly embryo. It involves ... -
A blended shifted-fracture/phase-field framework for sharp/diffuse crack modeling
(2023-02-28)
Article
Accés obertThe shifted fracture method (SFM) is an embedded method that enables sharp crack representations while using mesh-fitted data structures. In the SFM, the true crack is embedded in the computational grid, but the crack ... -
A boundary algebraic formulation for plane strain elastodynamic scattering
(Society for Industrial and Applied Mathematics (SIAM), 2018)
Article
Accés obertSolving of elastodynamic problems arises in many scientific fields such as wave propagation in the ground, non-destructive testing, vibration design of buildings, or vibroacoustics in general. An integral formulation based ... -
A C0 interior penalty Finite Element Method for flexoelectricity
(2021-09)
Article
Accés obertWe propose a C0 Interior Penalty Method (C0-IPM) for the computational modelling of flexoelectricity, with application also to strain gradient elasticity, as a simplified case. Standard high-order C0 finite element ... -
A closer look at the sanitation ladder: issues of monitoring the sector
(2011)
Text en actes de congrés
Accés obert -
A combined reduced order-full order methodology for the solution of 3D magneto-mechanical problems with application to magnetic resonance imaging scanners
(2020-01-01)
Article
Accés obertThe design of a new magnetic resonance imaging (MRI) scanner requires multiple numerical simulations of the same magneto-mechanical problem for varying model parameters, such as frequency and electric conductivity, in order ... -
A combined rh-adaptive scheme based on domain subdivision. Formulation and linear examples
(Wiley and Sons, 2001-09)
Article
Accés obertAn adaptive scheme is proposed in which the domain is split into two subdomains. One subdomain consists of regions where the discretization is refined with an h-adaptive approach, whereas in the other subdomain node ... -
A combined XFEM phase-field computational model for crack growth without remeshing
(Springer, 2020-10-07)
Article
Accés obertThis paper presents an adaptive strategy for phase-field simulations with transition to fracture. The phase-field equations are solved only in small subdomains around crack tips to determine propagation, while an XFEM ... -
A comparison of two formulations to blend finite elements and mesh-free methods
(2004-03)
Article
Accés obertMesh-free methods have since their early developments been blended to the finite element formulation in order to benefit from the advantages of both numerical techniques. In this paper, two recently proposed formulations ... -
A complementary energy approach accommodates scale differences in soft tissues
(2020-05-01)
Article
Accés obertThe mechanics of biological entities, from single molecules to the whole organ, has been extensively analyzed during the last decades. At the smaller scales, statistical mechanics has fostered successful physical models ... -
A continuous-discontinous model for softening and cracking based on non-local displacements
(2008)
Text en actes de congrés
Accés obertA continuous-discontinuous model to simulate numerically an entire failure process is presented. Crack inception and its propagation is modelled by means of a gradient non-local model based on non-local displacements. To ... -
A continuous-discontinuous model for crack branching
(John Wiley & sons, 2019-10-05)
Article
Accés obertA new continuous-discontinuous model for fracture that accounts for crack branching in a natural manner is presented. It combines a gradient-enhanced damage model based on nonlocal displacements to describe diffuse cracks ... -
A Cº interior penalty method for 4th order PDEs
(2020-12-01)
Article
Accés obertA method to solve 4th-order PDEs using the Finite Element Method (FEM) with standard C0 elements is derived and studied. It is based on a special weak form accounting for the discontinuous derivatives of the approximation ... -
A data-driven learning method for constitutive modeling: application to vascular hyperelastic soft tissues
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-05-01)
Article
Accés obertWe address the problem of machine learning of constitutive laws when large experimental deviations are present. This is particularly important in soft living tissue modeling, for instance, where large patient-dependent ...