DE69801113T2 - Längste-kanten verfeinerungs- und vergröberungssystem und -verfahren zur automatischen maschen-erzeugung - Google Patents

Längste-kanten verfeinerungs- und vergröberungssystem und -verfahren zur automatischen maschen-erzeugung

Info

Publication number
DE69801113T2
DE69801113T2 DE69801113T DE69801113T DE69801113T2 DE 69801113 T2 DE69801113 T2 DE 69801113T2 DE 69801113 T DE69801113 T DE 69801113T DE 69801113 T DE69801113 T DE 69801113T DE 69801113 T2 DE69801113 T2 DE 69801113T2
Authority
DE
Germany
Prior art keywords
refining
mesh generation
enlargement system
automatic mesh
longest edges
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69801113T
Other languages
English (en)
Other versions
DE69801113D1 (de
Inventor
Maria-Cecillia Rivara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RIVARA MARIA CECILLIA
Original Assignee
RIVARA MARIA CECILLIA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RIVARA MARIA CECILLIA filed Critical RIVARA MARIA CECILLIA
Application granted granted Critical
Publication of DE69801113D1 publication Critical patent/DE69801113D1/de
Publication of DE69801113T2 publication Critical patent/DE69801113T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Graphics (AREA)
  • Geometry (AREA)
  • Software Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Processing Or Creating Images (AREA)
  • Image Generation (AREA)
DE69801113T 1997-10-08 1998-10-01 Längste-kanten verfeinerungs- und vergröberungssystem und -verfahren zur automatischen maschen-erzeugung Expired - Fee Related DE69801113T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US6143997P 1997-10-08 1997-10-08
US09/162,737 US6266062B1 (en) 1997-10-08 1998-09-29 Longest-edge refinement and derefinement system and method for automatic mesh generation
PCT/EP1998/006258 WO1999018517A2 (en) 1997-10-08 1998-10-01 Longest-edge refinement and derefinement system and method for automatic mesh generation

Publications (2)

Publication Number Publication Date
DE69801113D1 DE69801113D1 (de) 2001-08-16
DE69801113T2 true DE69801113T2 (de) 2002-03-14

Family

ID=26741073

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69801113T Expired - Fee Related DE69801113T2 (de) 1997-10-08 1998-10-01 Längste-kanten verfeinerungs- und vergröberungssystem und -verfahren zur automatischen maschen-erzeugung

Country Status (6)

Country Link
US (2) US6266062B1 (de)
EP (1) EP1021798B1 (de)
AU (1) AU747230B2 (de)
CA (1) CA2304492A1 (de)
DE (1) DE69801113T2 (de)
WO (1) WO1999018517A2 (de)

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US6266062B1 (en) * 1997-10-08 2001-07-24 Maria-Cecilia Rivara Longest-edge refinement and derefinement system and method for automatic mesh generation
US6377865B1 (en) * 1998-02-11 2002-04-23 Raindrop Geomagic, Inc. Methods of generating three-dimensional digital models of objects by wrapping point cloud data points
US6453275B1 (en) * 1998-06-19 2002-09-17 Interuniversitair Micro-Elektronica Centrum (Imec Vzw) Method for locally refining a mesh
US6665849B2 (en) * 1999-06-09 2003-12-16 Interuniversitair Microelektronica Centrum Vzw Method and apparatus for simulating physical fields
JP2001074568A (ja) * 1999-09-03 2001-03-23 Fujitsu Ltd モデル解析方法及びモデル解析装置並びに記録媒体
JP3387869B2 (ja) * 1999-10-26 2003-03-17 日本電気株式会社 プロセスシミュレーションのメッシュ発生方法
US6606584B1 (en) * 1999-10-29 2003-08-12 Intel Corporation Defining a neighborhood of vertices in a 3D surface mesh
JP2003518672A (ja) * 1999-12-27 2003-06-10 アルコア・ネーデルランド・ベー・ブイ 押し出し過程のメッシュ発生用のメッシュ発生器とその方法
JP2001210716A (ja) * 2000-01-25 2001-08-03 Nec Ic Microcomput Syst Ltd レイアウト設計方法
AU2001264175A1 (en) * 2000-05-09 2002-03-26 Mental Images Gmbh And Co. Kg. Computer graphics system and computer-implemented method for generating coarse-level meshes
FR2810770B1 (fr) * 2000-06-23 2003-01-03 France Telecom Raffinement d'un maillage triangulaire representatif d'un objet en trois dimensions
US6505326B1 (en) * 2000-09-29 2003-01-07 General Electric Company Analyzing thermal characteristics of geometries
US6720962B1 (en) * 2000-12-04 2004-04-13 Joseph Alter Inc. Hair generation and other natural phenomena with surface derived control volumes in computer graphics and animation
JP3979162B2 (ja) * 2002-04-22 2007-09-19 ソニー株式会社 画像処理装置およびその方法
US7131105B2 (en) * 2003-09-19 2006-10-31 Coventor, Inc. System and method for automatic mesh generation from a system-level MEMS design
US7446777B2 (en) * 2003-09-26 2008-11-04 Rensselaer Polytechnic Institute System and method of computing and displaying property-encoded surface translator descriptors
US8155403B2 (en) * 2004-05-05 2012-04-10 University Of Iowa Research Foundation Methods and devices for airway tree labeling and/or matching
JP4714444B2 (ja) * 2004-08-31 2011-06-29 国立大学法人北海道大学 四面体メッシュ生成方法およびプログラム
US10279196B2 (en) * 2006-09-28 2019-05-07 Accuray Incorporated Radiation treatment planning using four-dimensional imaging data
US8022949B2 (en) * 2006-12-04 2011-09-20 Electronics And Telecommunications Research Institute System and method for generating curvature adapted isosurface based on delaunay triangulation
US7623679B2 (en) * 2006-12-13 2009-11-24 Accuray Incorporated Temporal smoothing of a deformation model
JP4999522B2 (ja) * 2007-04-06 2012-08-15 株式会社日立製作所 解析メッシュ生成装置
WO2009035737A2 (en) * 2007-06-13 2009-03-19 United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Adaptive refinement tools for tetrahedral unstructured grids
US8274512B2 (en) * 2008-06-04 2012-09-25 Sandia Corporation System and method for polytopic mesh refinement
US8386211B2 (en) * 2008-08-15 2013-02-26 International Business Machines Corporation Monitoring virtual worlds to detect events and determine their type
GB2477901A (en) * 2008-12-03 2011-08-17 Chevron Usa Inc System and method for predicting fluid flow characteristics within fractured subsurface reservoirs
US9026416B2 (en) * 2008-12-03 2015-05-05 Chevron U.S.A. Inc. System and method of grid generation for discrete fracture modeling
US8605972B2 (en) * 2012-03-02 2013-12-10 Sony Corporation Automatic image alignment
US20160170085A1 (en) * 2013-07-02 2016-06-16 Landmark Graphics Corporation 2.75d meshing algorithm
EP2905744A1 (de) * 2014-02-05 2015-08-12 Fujitsu Limited Netzqualitätsverbesserung in computergestützter Konstruktion
CN105550384B (zh) * 2014-10-31 2019-05-07 北京临近空间飞行器系统工程研究所 气动流场网格Metis自动分区的一种后处理方法
CN105631067A (zh) * 2014-10-31 2016-06-01 北京临近空间飞行器系统工程研究所 一种气动流场网格无向图的低计算复杂度构造方法
US11257253B2 (en) 2019-12-10 2022-02-22 Nvidia Corporation Method and system for unified encoding of path segments, caps, and joins for path stroking
DE102020130293A1 (de) 2019-12-10 2021-06-10 Nvidia Corporation Polar stroking für vektorgrafiken
US11164372B2 (en) * 2019-12-10 2021-11-02 Nvidia Corporation Polar stroking for vector graphics
WO2022015802A1 (en) * 2020-07-14 2022-01-20 Vicarious Fpc, Inc. Method and system for generating training data
CN114972687B (zh) * 2022-07-21 2022-11-15 中汽研（天津）汽车工程研究院有限公司 基于消除三角形网格对的网格调整方法

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US4912664A (en) * 1988-02-01 1990-03-27 Mentor Graphics Corporation Method and apparatus for generating a mesh for finite element analysis
US5214752A (en) * 1991-01-22 1993-05-25 International Business Machines Corporation Point placement method for use in a three-dimensional automatic mesh generation system
US5440674A (en) * 1991-07-31 1995-08-08 Park; Joon Y. Mesh generation with quasi-equilateral triangulation for finite element analyses
US5798764A (en) * 1994-05-27 1998-08-25 Nec Corporation Method for determining the intersections of Delaunay partitioned tetrahedra with the boundary of a body to be analyzed
US5963209A (en) * 1996-01-11 1999-10-05 Microsoft Corporation Encoding and progressive transmission of progressive meshes
US5886702A (en) * 1996-10-16 1999-03-23 Real-Time Geometry Corporation System and method for computer modeling of 3D objects or surfaces by mesh constructions having optimal quality characteristics and dynamic resolution capabilities
US6266062B1 (en) * 1997-10-08 2001-07-24 Maria-Cecilia Rivara Longest-edge refinement and derefinement system and method for automatic mesh generation

Also Published As

Publication number Publication date
WO1999018517A3 (en) 1999-06-17
EP1021798B1 (de) 2001-07-11
CA2304492A1 (en) 1999-04-15
US20040117163A1 (en) 2004-06-17
AU1028899A (en) 1999-04-27
AU747230B2 (en) 2002-05-09
EP1021798A2 (de) 2000-07-26
US6266062B1 (en) 2001-07-24
WO1999018517A2 (en) 1999-04-15
DE69801113D1 (de) 2001-08-16

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee