Ir al contenido (pulsa Retorno)

Universitat Politècnica de Catalunya

    • Català
    • Castellano
    • English
    • LoginRegisterLog in (no UPC users)
  • mailContact Us
  • world English 
    • Català
    • Castellano
    • English
  • userLogin   
      LoginRegisterLog in (no UPC users)

UPCommons. Global access to UPC knowledge

Banner header
9.400 Lectures/texts in conference proceedings
You are here:
View Item 
  •   DSpace Home
  • Congressos
  • International Conference on Adaptive Modeling and Simulation - ADMOS
  • VII International Conference on Adaptive Modeling and Simulation (ADMOS 2015) Nantes, France 8–10 June, 2015
  • View Item
  •   DSpace Home
  • Congressos
  • International Conference on Adaptive Modeling and Simulation - ADMOS
  • VII International Conference on Adaptive Modeling and Simulation (ADMOS 2015) Nantes, France 8–10 June, 2015
  • View Item
JavaScript is disabled for your browser. Some features of this site may not work without it.

High-order mesh untangling and smoothing using the hierarchical smoother

Thumbnail
View/Open
Admos2015_22-High-order Mesh Untangling.pdf (136,6Kb)
Share:
 
  View Usage Statistics
Cita com:
hdl:2117/333700

Show full item record
Ruiz-Gironés, Eloi
Roca, Xevi
Sarrate Ramos, JosepMés informacióMés informacióMés informació
Document typeConference report
Defense date2015
PublisherCIMNE
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
In 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 generate a high-order mesh is the a posteriori approach. First, a linearmesh that contains the required features for the simulation is generated. Then, the interpolationdegree of the mesh is increased, and the additional nodes are inserted. However, when the high-ordernodes are inserted, low-quality or inverted elements may appear if high-curved surfaces are presentin the geometry. Thus, mesh untangling and smoothing is a key step of the meshing process to obtainvalid high-order discretizations. Usually, the smoothing process is performed in two steps, as shownin [1,2]. First, the boundary nodes are moved by taking into account the quality of the boundaryelements. Then, the quality of the maximal dimension elements is optimized by moving the positionof the inner nodes. However, the boundary nodes position may constrain the quality of the wholemesh. Thus, we propose a novel framework in which we only consider the quality of the maximaldimension elements [3]. To this end, we minimize an objective function defined as the distortion ofthe maximal dimension elements, by moving the position of the inner nodes, as well as the positionin the parametric space of the face and edge nodes. Although the objective function is definedglobally, for implementation purposes, we propose to perform a node-by-node relocation process byusing a non-linear Gauss-Seidel approach. That is, we first move the edge nodes, then the face nodes,and finally the inner nodes, until convergence is achieved.
CitationRuiz-Gironés, E.; Roca, X.; Sarrate Ramos, J. High-order mesh untangling and smoothing using the hierarchical smoother. A: ADMOS 2015. CIMNE, 2015, p. 43. 
URIhttp://hdl.handle.net/2117/333700
Collections
  • International Conference on Adaptive Modeling and Simulation - ADMOS - VII International Conference on Adaptive Modeling and Simulation (ADMOS 2015) Nantes, France 8–10 June, 2015 [75]
Share:
 
  View Usage Statistics

Show full item record

FilesDescriptionSizeFormatView
Admos2015_22-High-order Mesh Untangling.pdf136,6KbPDFView/Open

Browse

This CollectionBy Issue DateAuthorsOther contributionsTitlesSubjectsThis repositoryCommunities & CollectionsBy Issue DateAuthorsOther contributionsTitlesSubjects

© UPC Obrir en finestra nova . Servei de Biblioteques, Publicacions i Arxius

info.biblioteques@upc.edu

  • About This Repository
  • Contact Us
  • Send Feedback
  • Privacy Settings
  • Inici de la pàgina