Browsing by Author "Ruiz Gironès, Eloi"
Now showing items 1-13 of 13
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An augmented Lagrangian formulation to impose boundary conditions for distortion based mesh moving and curving
Ruiz Gironès, Eloi; Gargallo Peiró, Abel; Sarrate Ramos, Josep; Roca Navarro, Francisco Javier (Elsevier, 2017)
Conference report
Restricted access - publisher's policyWe 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 ... -
An HDG formulation for incompressible and immiscible two-phase porous media flow problems
Costa Solé, Albert; Ruiz Gironès, Eloi; Sarrate Ramos, Josep (Taylor & Francis, 2019-05-27)
Article
Open AccessWe develop a high-order hybridisable discontinuous Galerkin (HDG) formulation to solve the immiscible and incompressible two-phase flow problem in a heterogeneous porous media. The HDG method is locally conservative, has ... -
Approximation of immersed surfaces into a tetrahedral mesh generated by the meccano method
Socorro Marrero, Guillermo Valentín; Oliver Serra, Albert; Ruiz Gironès, Eloi; Cascón Barbero, José Manuel; Rodriguez Barrera, Eduardo; Escobar Sánchez, José M.; Montenegro Armas, Rafael; Sarrate Ramos, Josep (2017)
Conference report
Restricted access - publisher's policyIn this paper, we present a new method to insert open surfaces into an existing tetrahedral mesh generated by the meccano method. The surfaces must be totally immersed in the mesh and must not intersect between them. The ... -
Automatic generation of quadrilateral structured meshes using linear programming and transfinite interpolation
Ruiz Gironès, Eloi; Sarrate Ramos, Josep (2009-04-30T11:25:15Z)
Conference report
Open AccessThis paper presents an implementation of a structured quadrilateral algorithm called submapping. The meshing procedure splits the geometry into patches and then meshes each patch separately preserving the mesh compatibility ... -
Automatically imposing incremental boundary displacements for valid mesh morphing and curving
Ruiz Gironès, Eloi; Gargallo Peiró, Abel; Sarrate Ramos, Josep; Roca, Xevi (2019-07)
Article
Open AccessWe present a new incremental mesh morphing method obtained by proposing and discretizing a solution procedure for the continuous morphing problem. Our method seeks a diffeomorphism that transforms an initial domain to a ... -
Bisecting with optimal similarity bound on 3D unstructured conformal meshes
Belda Ferrín, Guillem; Ruiz Gironès, Eloi; Roca Navarro, Francisco Javier (2022)
Conference report
Open AccessWe propose a new method to mark for bisection the edges of an arbitrary 3D unstructured conformal mesh. For these meshes, the approach conformingly marks all the tetrahedra with coplanar edge marks. To this end, the method ... -
Conformal marked bisection for local refinement of n-dimensional unstructured conformal meshes
Belda Ferrín, Guillem; Ruiz Gironès, Eloi; Roca Navarro, Francisco Javier; Gargallo Peiró, Abel (Elsevier, 2023-01-01)
Article
Open AccessWe present an n-dimensional marked bisection method for unstructured conformal meshes. We devise the method for local refinement in adaptive n-dimensional applications. To this end, we propose a mesh marking pre-process ... -
Generación de mallas de hexaedros en geometrías múltiplemente conexas mediante submapping
Ruiz Gironès, Eloi; Sarrate Ramos, Josep (2009-05-26T11:36:11Z)
Conference report
Open AccessEn este trabajo se presenta una mejora del método de submapping para ampliar su aplicabilidad. El algoritmo de submapping tiene dos limitaciones principales. La primera de ellas es que sólo se puede aplicar en geometrías ... -
High-order hybridizable discontinuous Galerkin formulation for one-phase flow through porous media
Costa Solé, Albert; Ruiz Gironès, Eloi; Sarrate Ramos, Josep (2021-03-06)
Article
Open AccessWe present a stable high-order hybridizable discontinuous Galerkin (HDG) formulation coupled with high-order diagonal implicit Runge–Kuta (DIRK) schemes to simulate slightly compressible one-phase flow through porous media. ... -
High-order hybridizable discontinuous Galerkin formulation with fully implicit temporal schemes for the simulation of two-phase flow through porous media
Costa Solé, Albert; Ruiz Gironès, Eloi; Sarrate Ramos, Josep (John Wiley & Sons, 2021-07-30)
Article
Open AccessWe present a memory-efficient high-order hybridizable discontinuous Galerkin (HDG) formulation coupled with high-order fully implicit Runge-Kutta schemes for immiscible and incompressible two-phase flow through porous ... -
Insertion of triangulated surfaces into a meccano tetrahedral discretization by means of mesh refinement and optimization procedures
Ruiz Gironès, Eloi; Oliver Serra, Albert; Socorro Marrero, Guillermo Valentín; Cascón Barbero, José Manuel; Escobar Sánchez, José M.; Montenegro Armas, Rafael; Sarrate Ramos, Josep (John Wiley & Sons, 2018)
Article
Open AccessIn this paper, we present a new method for inserting several triangulated surfaces into an existing tetrahedral mesh generated by the meccano method. The result is a conformal mesh where each inserted surface is approximated ... -
Management, design and developement of a mesh generation environment using open source software
Roca Navarro, Francisco Javier; Ruiz Gironès, Eloi; Sarrate Ramos, Josep (2009-06-08T08:15:56Z)
Conference report
Open AccessIn this paper we present an object oriented implementation of a general-purpose mesh generation environment for geometry-based simulations. The aim of this application is to unify available legacy code and new research ... -
Measuring and improving the geometric accuracy of piece-wise polynomial boundary meshes
Ruiz Gironès, Eloi; Sarrate Ramos, Josep; Roca Navarro, Francisco Javier (2021-10-15)
Article
Open AccessWe present a new disparity functional to measure and improve the geometric accuracy of a curved high-order mesh that approximates a target geometry model. We have devised the disparity to account for compound models, be ...