Exploració per autor "Ruiz-Gironés, Eloi"
Ara es mostren els items 1-20 de 21
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A new procedure to compute imprints in multi-sweeping algorithms
Ruiz-Gironés, Eloi; Roca Navarro, Francisco Javier; Sarrate Ramos, Josep (2009-10-25)
Text en actes de congrés
Accés obertOne of the most widely used algorithms to generate hexahedral meshes in extrusion volumes with several source and target surfaces is the multi-sweeping method. However, the multi-sweeping method is highly dependent on the ... -
An augmented Lagrangian formulation to impose boundary conditions for distortion based mesh moving and curving
Ruiz-Gironés, Eloi; Gargallo-Peiró, Abel; Sarrate Ramos, Josep; Roca, Xevi (Elsevier, 2017)
Article
Accés obertWe formulate a mesh morphing technique as mesh distortion minimization problem constrained to weakly satisfy the imposed displacement of the boundary nodes. The method is devised to penalize the appearance of inverted ... -
Automatic generation of hexahedral meshes for volumes with non-planar surfaces using the multi-sweeping method
Ruiz-Gironés, Eloi; Roca Navarro, Francisco Javier; Sarrate Ramos, Josep (2010)
Text en actes de congrés
Accés obertOne of the most used algorithms to generate hexahedral meshes for extrusion volumes is the multi-sweeping method. The algorithm decomposes the geometry into many-to-one sub-volumes and then meshes each sub-volume ... -
Automatic Penalty and Degree Continuation for Parallel Pre-Conditioned Mesh Curving on Virtual Geometry
Ruiz-Gironés, Eloi; Roca, Xevi (Elsevier, 2022)
Article
Accés obertWe present a distributed parallel mesh curving method for virtual geometry. The main application is to generate large-scale curved meshes on complex geometry suitable for analysis with unstructured high-order methods. ... -
Defining an L2-disparity Measure to Check and Improve the Geometric Accuracy of Non-interpolating Curved High-order Meshes
Ruiz-Gironés, Eloi; Sarrate, Jose; Roca, Xevi (Elsevier, 2015)
Article
Accés obertWe define an Full-size image L2-disparity measure between curved high-order meshes and parameterized manifolds in terms of an Full-size image L2 norm. The main application of the proposed definition is to measure and improve ... -
Discretización de superficies múltiplemente conexas mediante submapping
Ruiz-Gironés, Eloi; Sarrate Ramos, Josep (Universitat Politècnica de Catalunya, 2008)
Article
Accés obertUna de las técnicas más utilizadas para generar mallas estructuradas de cuadriláteros es el método de submapping. Este método descompone la geometría en piezas lógicamente equivalentes a un cuadrilátero y después malla ... -
Discretización de superficies múltiplemente conexas mediante submapping
Ruiz-Gironés, Eloi; Sarrate Ramos, Josep (2008-09)
Article
Accés obertUna de las técnicas más utilizadas para generar mallas estructuradas de cuadriláteros es el método de submapping. Este método descompone la geometría en piezas lógicamente equivalentes a un cuadrilátero y después malla ... -
Generation of structured hexahedral meshes in volumes with holes
Ruiz-Gironés, Eloi; Sarrate Ramos, Josep (2010-10)
Article
Accés obertThe submapping method is one of the most used techniques to generate structured hexahedral meshes. This method splits the geometry into pieces logically equivalent to an hexahedron. Then, it meshes each patch keeping the ... -
Generation of structured meshes in multiply connected surfaces using submapping
Ruiz-Gironés, Eloi; Sarrate Ramos, Josep (2010-02)
Article
Accés obertThe submapping method is one of the most widely used techniques to generate structured quadrilateral meshes. This method splits the geometry into pieces logically equivalent to a quadrilateral. Then, it meshes each piece ... -
High-order mesh curving by distortion minimization with boundary nodes free to slide on a 3D CAD representation
Ruiz-Gironés, Eloi; Roca, Xevi; Sarrate, Jose (Elsevier, 2016-03)
Article
Accés obertWe propose a 3D mesh curving method that converts a straight-sided mesh to an optimal-quality curved high-order mesh that interpolates a CAD boundary representation. The main application of this method is the generation ... -
High-order mesh curving by distortion minimization with boundary nodes free to slide on a 3D CAD representation
Ruiz-Gironés, Eloi; Roca Navarro, Francisco Javier; Sarrate Ramos, Josep (2016-03)
Article
Accés obertWe propose a 3D mesh curving method that converts a straight-sided mesh to an optimal-quality curved high-order mesh that interpolates a CAD boundary representation. The main application of this method is the generation ... -
High-order mesh untangling and smoothing using the hierarchical smoother
Ruiz-Gironés, Eloi; Roca, Xevi; Sarrate Ramos, Josep (CIMNE, 2015)
Text en actes de congrés
Accés obertIn the last years, high-order methods are emerging to simulate physical phenomena in appliedsciences and engineering. However, these kind of methods rely on a high-order discretization. One ofthe most used methods to ... -
Optimizing mesh distortion by hierarchical iteration relocation of the nodes on the CAD entities
Ruiz-Gironés, Eloi; Roca Navarro, Francisco Javier; Sarrate Ramos, Josep (Elsevier, 2014)
Text en actes de congrés
Accés obertMesh untangling and smoothing is an important part of the meshing process to obtain high-quality discretizations. The usual approach consists on moving the position of the interior nodes while considering fixed the position ... -
Preserving isotropic element size functions in adaptivity, quadrilateral and hexahedral mesh generation
Ruiz-Gironés, Eloi; Roca Navarro, Francisco Javier; Sarrate Ramos, Josep (2013)
Article
Accés restringit per política de l'editorialIn electric circuit theory, it is of great interest to compute the effective resistance between any pair of vertices of a network, as well as the Kirchhoff Index. During the last decade these parametres have been applied ... -
Receding front method: a new approach applied to generate hexahedral meshes of outer domains
Roca Navarro, Francisco Javier; Ruiz-Gironés, Eloi; Sarrate Ramos, Josep (2010)
Text en actes de congrés
Accés restringit per política de l'editorialTwo of the most successful methods to generate unstructured hexahedral meshes are the grid-based methods and the advancing front methods. On the one hand, the grid-based methods generate high quality elements in the inner ... -
Simultaneous untangling and smoothing of quadrilateral and hexahedral meshes using an object-oriented framework
Ruiz-Gironés, Eloi; Roca Navarro, Francisco Javier; Sarrate Ramos, Josep; Montenegro Armas, Rafael; Escobar Sánchez, José M. (2015-02-01)
Article
Accés obertIn this work, we present a simultaneous untangling and smoothing technique for quadrilateral and hexahedral meshes. The algorithm iteratively improves a quadrilateral or hexahedral mesh by minimizing an objective function ... -
Size-preserving size functions and smoothing procedures for adaptive quadrilateral mesh generation
Ruiz-Gironés, Eloi; Roca Navarro, Francisco Javier; Sarrate Ramos, Josep (2015-07-01)
Article
Accés obertThe generation of meshes that correctly reproduce a prescribed size function is crucial for quadrilateral meshing due to two reasons. First, quadrilateral meshes are difficult to adapt to a given size field by refining or ... -
The receding front method applied to hexahedral mesh generation of exterior domains
Ruiz-Gironés, Eloi; Roca Navarro, Francisco Javier; Sarrate Ramos, Josep (2011-11-30)
Article
Accés obertTwo of the most successful methods to generate unstructured hexahedral meshes are the grid-based methods and the advancing front methods. On the one hand, the grid-based methods generate high-quality hexahedra in the inner ... -
Unstructured and semi-structured hexahedral mesh generation methods
Sarrate Ramos, Josep; Ruiz-Gironés, Eloi; Roca Navarro, Francisco Javier (Saxe-Coburg, 2014)
Article
Accés obertDiscretization techniques such as the finite element method, the finite volume method or the discontinuous Galerkin method are the most used simulation techniques in ap- plied sciences and technology. These methods rely ... -
Using a computational domain and a three-stage node location procedure for multi-sweeping algorithms
Ruiz-Gironés, Eloi; Roca Navarro, Francisco Javier; Sarrate Ramos, Josep (2011)
Article
Accés obertThe multi-sweeping method is one of the most used algorithms to generate hexahedral meshes for extrusion volumes. In this method the geometry is decomposed in sub-volumes by means of projecting nodes along the sweep direction ...