Letteratura scientifica selezionata sul tema "Quad meshing"

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Articoli di riviste sul tema "Quad meshing"

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Rushdi, Ahmad A., Scott A. Mitchell, Ahmed H. Mahmoud, Chandrajit C. Bajaj e Mohamed S. Ebeida. "All-quad meshing without cleanup". Computer-Aided Design 85 (aprile 2017): 83–98. http://dx.doi.org/10.1016/j.cad.2016.07.009.

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Ebke, Hans-Christian, Marcel Campen, David Bommes e Leif Kobbelt. "Level-of-detail quad meshing". ACM Transactions on Graphics 33, n. 6 (19 novembre 2014): 1–11. http://dx.doi.org/10.1145/2661229.2661240.

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Bommes, David, Marcel Campen, Hans-Christian Ebke, Pierre Alliez e Leif Kobbelt. "Integer-grid maps for reliable quad meshing". ACM Transactions on Graphics 32, n. 4 (21 luglio 2013): 1–12. http://dx.doi.org/10.1145/2461912.2462014.

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Bukenberger, Dennis R., e Hendrik P. A. Lensch. "Hierarchical Quad Meshing of 3D Scanned Surfaces". Computer Graphics Forum 37, n. 5 (agosto 2018): 135–45. http://dx.doi.org/10.1111/cgf.13497.

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Zhang, Chenguang, e Xin Li. "Automatic quad meshing by simulating NaCl crystallization". Procedia Engineering 203 (2017): 284–96. http://dx.doi.org/10.1016/j.proeng.2017.09.810.

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Zhang, Chi, Shuangming Chai, Ligang Liu e Xiao-Ming Fu. "Quad Meshing with Coarse Layouts for Planar Domains". Computer-Aided Design 140 (novembre 2021): 103084. http://dx.doi.org/10.1016/j.cad.2021.103084.

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Rushdi, Ahmad A., Scott A. Mitchell, Chandrajit L. Bajaj e Mohamed S. Ebeida. "Robust All-quad Meshing of Domains with Connected Regions". Procedia Engineering 124 (2015): 96–108. http://dx.doi.org/10.1016/j.proeng.2015.10.125.

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Pellenard, Bertrand, Gunay Orbay, James Chen, Shailendra Sohan, Wa Kwok e Joseph R. Tristano. "QMCF: QMorph Cross Field-driven Quad-dominant Meshing Algorithm". Procedia Engineering 82 (2014): 338–50. http://dx.doi.org/10.1016/j.proeng.2014.10.395.

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Lyon, Max, Marcel Campen, David Bommes e Leif Kobbelt. "Parametrization quantization with free boundaries for trimmed quad meshing". ACM Transactions on Graphics 38, n. 4 (12 luglio 2019): 1–14. http://dx.doi.org/10.1145/3306346.3323019.

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Simons, Lance, e Nina Amenta. "All-Quad Meshing for Geographic Data via Templated Boundary Optimization". Procedia Engineering 203 (2017): 388–400. http://dx.doi.org/10.1016/j.proeng.2017.09.813.

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Tesi sul tema "Quad meshing"

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Ebke, Hans-Christian [Verfasser], Leif [Akademischer Betreuer] Kobbelt e Daniele [Akademischer Betreuer] Panozzo. "Parametrization Based Quad Meshing in Practical Applications / Hans-Christian Ebke ; Leif Kobbelt, Daniele Panozzo". Aachen : Universitätsbibliothek der RWTH Aachen, 2017. http://d-nb.info/1162499567/34.

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Dotse, Kokou Michaelis. "Création de maillages quadrilatéraux bloc structurés à partir de champ de croix prescrit et respectant les caractéristiques physiques d'une scène de calcul". Electronic Thesis or Diss., Toulouse, ISAE, 2024. http://www.theses.fr/2024ESAE0027.

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Abstract (sommario):
L'objectif de cette thèse est d'apporter de nouvelles solutions pour améliorer les performances lors de la résolution numérique d'équations aux dérivées partielles en étudiant une méthode de génération de maillages quadrilatéraux basée sur des champs de croix.Notre approche repose sur l'alignement d'un champ de croix donné par rapport au bord du domaine de calcul, suivi du partitionnement de ce dernier en régions à quatre côtés que l'on maillera ensuite en quadrilatères. Cela nous permet de générer un maillage structuré par bloc tout en préservant la position des singularités du champ de croix initial. Pour ce faire, nous mettons en place une étude théorique des champs de croix nous permettant d'identifier les conditions sous lesquelles un champ de croix donné permet effectivement de partitionner et de mailler le domaine sur lequel il est défini.Cette méthode est d'abord présentée pour les domaines simplement connexes, puis généralisée aux domaines non-simplement connexes. Elle nous permet de gérer les domaines constitués de plusieurs matériaux ainsi que les points singuliers de bord qui, en pratique, permettent de délimiter des portions de la frontière du domaine pour prendre en compte des conditions aux limites mixtes dans le cadre des simulations numériques. Enfin, nous mettons en place la discrétisation de la méthode sur des maillages triangulaires, puis nous proposons une généralisation à des surfaces courbes dans l'espace
The objective of this thesis is to provide new solutions to improve performance in the numerical solution of partial differential equations by studying a method for generating quadrilateral meshes based on cross-field techniques.Our approach relies on aligning a given cross field with the boundary of the computational domain, followed by partitioning the domain into four-sided regions which are then meshed into quadrilaterals. This allows us to generate a structured block mesh while preserving the positions of the singularities of the initial cross field. To achieve this, we conduct a theoretical study of cross fields to identify the conditions under which a given cross field effectively partitions and meshes the domain on which it is defined.This method is initially presented for simply connected domains and then extended to non-simply connected domains. It allows us to handle domains consisting of multiple materials as well as boundary singular points, which in practice delineate portions of the domain boundary to account for mixed boundary conditions in numerical simulations. Finally, we discretize the method on triangular meshes and propose a generalization to curved surfaces in space
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Capitoli di libri sul tema "Quad meshing"

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Sibbing, Dominik, Hans-Christian Ebke, Kai Ingo Esser e Leif Kobbelt. "Topology Aware Quad Dominant Meshing for Vascular Structures". In Lecture Notes in Computer Science, 147–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-33463-4_15.

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Roche, Claire, Jérôme Breil, Thierry Hocquellet e Franck Ledoux. "Block-Structured Quad Meshing for Supersonic Flow Simulations". In Lecture Notes in Computational Science and Engineering, 139–66. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-40594-5_7.

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Kremer, Michael, David Bommes, Isaak Lim e Leif Kobbelt. "Advanced Automatic Hexahedral Mesh Generation from Surface Quad Meshes". In Proceedings of the 22nd International Meshing Roundtable, 147–64. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-02335-9_9.

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Remacle, J. F., F. Henrotte, T. Carrier Baudouin, C. Geuzaine, E. Béchet, Thibaud Mouton e E. Marchandise. "A Frontal Delaunay Quad Mesh Generator Using the L ∞ Norm". In Proceedings of the 20th International Meshing Roundtable, 455–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-24734-7_25.

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Mukherjee, Nilanjan. "CSALF-Q: A Bricolage Algorithm for Anisotropic Quad Mesh Generation". In Proceedings of the 20th International Meshing Roundtable, 489–509. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-24734-7_27.

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Atti di convegni sul tema "Quad meshing"

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Ekelschot, Dirk, Marco Ceze, Anirban Garai e Scott M. Murman. "Robust metric aligned quad-dominant meshing using Lp centroidal Voronoi tessellation". In 2018 AIAA Aerospace Sciences Meeting. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2018. http://dx.doi.org/10.2514/6.2018-1501.

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Smith-Pierce, Micaiah, Stephen Ruffin e David Dement. "Automated Unstructured Quad/Hex Meshing for High-Order Discontinuous Galerkin CFD". In AIAA SCITECH 2024 Forum. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2024. http://dx.doi.org/10.2514/6.2024-0384.

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Ekelschot, Dirk, Marco Ceze, Anirban Garai e Scott M. Murman. "Correction: Robust metric aligned quad-dominant meshing using Lp centroidal Voronoi tessellation". In 2018 AIAA Aerospace Sciences Meeting. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2018. http://dx.doi.org/10.2514/6.2018-1501.c1.

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Quadros, W. R., K. Ramaswami, F. B. Prinz e B. Gurumoorthy. "Automatic Geometry Adaptive Quadrilateral Mesh Generation Using Medial Axis Transform". In ASME 2001 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/detc2001/dac-21066.

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Abstract (sommario):
Abstract The medial axis transform (MAT) has been used in meshing algorithms for decomposition (Tam 1991; Price 1995; Price 1997) and for decomposition and termination (Quadros 2000: Quadros Thesis 2000). This paper describes an algorithm that uses the MAT for quad meshing that is adapted to the variation of geometric feature size in the domain. The algorithm is a modification of Lay Tracks, an automatic quad meshing algorithm that uses the MAT for both subdividing the domain and for terminating the advancing front of the mesh. The modification involves the adaptive placing of nodes inside the subdivided regions and makes use of the radius function available in the MAT to identify feature size and adapt the node spacing and mesh size to it. The algorithm has been implemented and tested on some typical geometries. Results on the quality of the mesh obtained are presented.
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Mrdakovic, Branko Lj, e Branko M. Kolundzija. "Improvements in Insertion of Auxiliary Parity Segments in WIPL-D All-Quad Meshing Algorithm". In 2020 International Applied Computational Electromagnetics Society Symposium (ACES). IEEE, 2020. http://dx.doi.org/10.23919/aces49320.2020.9196049.

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Yamakawa, Soji, e Kenji Shimada. "Quad-Layer: Layered Quadrilateral Meshing of Narrow Two-Dimensional Domain by Bubble Packing and Chordal Axis Transformation". In ASME 2001 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/detc2001/dac-21149.

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Abstract This paper presents a new computational method for quadrilateral meshing of a thin, or narrow, two-dimensional domain. An output mesh of our method is well-shaped and either single-layered, multi-layered, or partially multi-layered. Element sizes can be uniform or graded. A high quality, layered quadrilateral mesh is often required for finite element analyses of a narrow two-dimensional domain with a large deformation such as the analysis of rubber deformation or sheet metal forming. Our method consists of two steps: (1) extraction of the skeleton of a given domain by the discrete chordal axis transformation, and (2) discretization of the chordal axis into a set of line segments and conversion of each of the line segments to a single quadrilateral element or multiple layers of quadrilateral elements. In both steps we use a physically-based computational method called bubble packing to discretize a curve into a set of line segments of specified sizes. Experiments show that the accuracy of a large-deformation FEM analysis can be significantly improved by using a well-shaped quadrilateral mesh created by the proposed method.
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