7th US National Congress on
Computational Mechanics

4th Trends in Unstructured Mesh Generation: Part I

Location: Aztec Room, Albuquerque Convention Center

Session 1. Plenary
9:45-11:45AM, Monday, July 28 2003
Chair: Steve Owen, Sandia National Lab

1. General Mesh Adaptation Using Mesh Modifications
   Mark Shephard, Xiangrong Li, Mark Beall
   Rensselaer Polytechnic Institute and Simmetrix Inc.
   (view abstract pdf) (download zipped powerpoint show file 5873 KB)
   
   
2. Object-Oriented Automatic Unstructured Surface Mesh Generation
   Udo Tremel, Frank Deister, Oubay Hassan, Nigel P. Weatherill
   EADS Military Aircraft, Munich, Germany and University of Wales Swansea, U.K.
   (view abstract pdf)
   
   
3. CCsweep: Automatic Decomposition Of Multi-Sweep Volumes
   David White, Sunil Saigal, Steven Owen
   Sandia National Laboratories and University of South Florida
   (view abstract pdf) (download zipped powerpoint show file 851 KB)

4. Compressing Analysis Times In Highly Diverse Computational Environments
   Ted Blacker, Byron Hanks, Jason Shepherd, Rob Leland
   Sandia National Laboratories, Albuquerque, New Mexico
   (view abstract pdf)
   

Session 2. Mesh Optimization I
2:00-4:00PM, Monday, July 28 2003
Chair: Zhijian (James) Chen, Ansys, Inc.

1. Untangling of Meshes in Ale Simulations
   Rao Garimella,Vadim Dyadechko, Mikhail Shashkov, Pavel Vachal
   Los Alamos National Laboratory and Czech Technical University in Prague
   (view abstract pdf) (download pdf presentation 323 KB)
   
   
2. An Optimization Approach For 2D Finite Element Mesh Smoothing
   Hongtao Xu, Tim Newman
   University of Alabama, Huntsville, Alabama
   (view abstract pdf)
   
   
3. On The Choice Of The Objective Function And Optimization Strategy For Metric Driven Mesh Adaption
   Carlo Bottasso, Davide Detomi
   Georgia Institute of Technology and Politecnico di Milano
   (view abstract pdf)
   
   
4. Multilevel Accelerated Optimization For Problems In Grid Generation
   Markus Berndt, Mikhail Shashkov
   Los Alamos National Laboratory, Los Alamos, New Mexico
   (view abstract pdf)
   
   
5. Construction Of An Objective Function For Optimization Based Smoothing For Surface Meshing
   Zhijian Chen, Joseph Tristano, Wa Kwok
   Ansys, Inc., Canonsburg, Pennsylvania
   (view abstract pdf) (download zipped powerpoint show file 1112 KB)
   

Session 3. Hexahedral Meshing I
4:30-6:30PM, Monday, July 28 2003
Chair: Mike Borden, Sandia National Lab.

1. A Survey Of Hex Mesh Modification Techniques: Where We Are And Where We Are Going
   Michael Borden, Jason Shepherd
   Sandia National Laboratories, Albuquerque, New Mexico
   (view abstract pdf)
   
   
2. Sculpting: An Improved Grid-Based Algorithm For All Hexahedral Meshing
   Kirk Walton, Steven Benzley, Jason Shepherd
   Brigham Young University and Sandia National Laboratories
   (view abstract pdf) (download zipped powerpoint presentation show file 2784 KB)
   
   
3. Enhancements And Applications Of The Graft Tool
   Matthew Earp, Steven Benzley, Jason Shepherd, Michael Bordon
   Brigham Young University and Sandia National Laboratories
   (view abstract pdf)
   
   
4. Hexahedral Adaptive Mesh Generation Using Fuzzy Logic And Local Refinement
   Yoshitaka Wada, Masanao Matsumoto, Masanori Kikuchi
   Tokyo University of Science, Japan
   (view abstract pdf)
   
   
5. Interior Node Placement In Sweeping
   Micheal Scott, Ved Vyas, Steve Owen, David White, Micheal Stephenson
   Brigham Young University, Carnegie Mellon University, and Sandia National Laboratories
   (view abstract pdf) (download zipped powerpoint show file 2179 KB)
   

Session 4. Mesh Optimization II
9:45-11:45AM, Tuesday, July 29 2003
Chair: Patrick Knupp, Sandia National Lab.

1. Optimization of Tetrahedral and Hexahedral Meshes
   V, Dyadechko, R.V. Garimella and M.J. Shashkov
   University of Houston and Los Alamos National Laboratory
   (view abstract pdf)
   
   
2. Normal-Averaged Smoothing For Mesh Quality Improvement
   Shuli Yang
   Fluent INC, Evanston, Illinois
   (view abstract pdf)
   
   
3. Polygonal Surface Mesh Quality Improvement
   Rao Garimella, Mikhail Shashkov
   Los Alamos National Laboratory, Los Alamos, New Mexico
   (view abstract pdf) (download zipped pdf presentation 2473 KB)
   
   
4. Adaptive Mesh Optimization Using Algebraic Mesh Quality Metrics
   Kyle Chand
   Lawrence Livermore National Laboratory, Livermore, California
   (view abstract pdf) (download zipped pdf presentation 2312 KB)
   
   
5. A Framework For Mesh Quality Improvement
   Patrick Knupp, Lori Freitag-Diachin, Michael Brewer
   Sandia National Laboratories, Albuquerque, New Mexico
   (view abstract pdf)
   

Session 5. Quad/Hex Meshing II
2:00-4:00PM, Tuesday, July 29 2003
Chair: Damrong Guoy, University of Illinois

1. Domain Decomposition For Quad Meshing By Macro Delaunay Refinement
   Damrong Guoy, Jeff Erickson
   University of Illinois at Urbana-Champaign, Urbana, Illinois
   (view abstract pdf) (download zipped pdf presentation 1241 KB)
   
   
2. Anisotropic Quad Mesh Generation Based On Discrete Surfaces
   Roberto Grosso, Dorit Merhof, Udo Tremel pdf presentation
   University of Erlangen, Germany and EADS Military Aircraft, Munich, Germany
   (view abstract pdf)(download zipped pdf presentation 4832 KB)
   
   
3. DTHEX: An Improved All-Hexahedral Meshing Scheme Using General Coarsening Tools
   Sara Richards, S.E. Benzley, J.F. Shepherd, M.B. Stephenson
   Brigham Young University and Sandia National Laboratories
   (view abstract pdf) (download zipped powerpoint show file 1848 KB)
   
   
4. Mesh Improvement by Subdivision of Tetras into Hexes
   Pedro Marcal
   PVM Corp., Cardiff, California
   (view abstract pdf) (download zipped powerpoint show file 64 KB)
   
   
5. 3D FEA For Discontinuous Mapped HEXA8 Mesh With Element-Wise Surface-Mesh Based Serendipity Blending Function
   Akira Tezuka, Junichi Matsumoto
   National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
   (view abstract pdf)
   

Session 6. Adaptivity I
4:30-6:30PM, Tuesday, July 29 2003
Chair: Jeff Erickson, University of Illinois

1. Unstructured Moving Mesh By A Least-Squares Finite Element Method
   Guojun Liao, Xian-Xin Cai, Dionisio Fleitas, Bonan Jiang
   University of Texas, Nanhua Power Research Institute, and Oakland University
   (view abstract pdf)
   
   
2. Controlled Mesh Enrichments For Evolving Geometries
   Suleyman Kocak, Jie Wan, Mark Shephard
   Rensselaer Polytechnic Institute, Troy, New York
   (view abstract pdf)
   
   
3. Boundary Element Mesh Generation For Modelling Crack Problems
   Geraldo Creci, Eder Lima Albuquerque, Paulo Sollero, Janito Vaqueiro Ferreira, Renato Pavanello
   State University of Campinas, Campinas, SP, Brazil
   (view abstract pdf)
   
   
4. Efficient Spacetime Meshing With Nonlocal Cone Constraints
   Jeff Erickson, Robert Haber, Jayandran Palaniappan, John Sullivan, Shripad Thite
   University of Illinois at Urbana-Champaign, Urbana, Illinois
   (view abstract pdf) (download zipped powerpoint show file 176 KB)
   
   
5. Spacetime Meshing With Adaptive Coarsening And Refinement
   Jeff Erickson, Reza Abedi, Shuo-Heng Chung, Robert Haber, John Sullivan, Lin Yin
   University of Illinois at Urbana-Champaign, Urbana, Illinois
   (view abstract pdf)
   

Session 7. Adaptivity II
9:45-11:45AM, Wednesday, July 30 2003
Chair: Roshan Quadros, Carnegie Mellon University

1. Skeleton-Based Computational Method For Generation Of 3D Finite Element Mesh Sizing Function
   William Quadros, Kenji Shimada, Steve Owen
   Carnegie Mellon University and Sandia National Laboratories
   (view abstract pdf) (download zipped powerpoint show file 7476 KB)
   
   
2. Terminal-Edge Refinement Algorithms: A Study On A 3-Dimensional Implementation
   Maria-Cecilia Rivara, Daniel Pizarro, Valeria Herskovic, Nancy Hitschfeld
   University of Chile, Santiago, Chile
   (view abstract pdf)
   
   
3. Simplifying Tetrahedral Meshes With Scalar Data Fields
   Michael Garland, Yuan Zhou
   University of Illinois at Urbana–Champaign, Urbana, Illinois
   (view abstract pdf)
   
   
4. Refinement Of Finite Element Approximations On Tetrahedral Meshes Using Charms
   Petr Krysl, Lance Endres
   University of California, San Diego, La Jolla, California
   (view abstract pdf)
   
   
5. Adaptive Mesh Refinement In Accelerator Modeling With OMEGA3P
   Yunhua Luo, Inam Malik, Z. Li, Mark S. Shephard, Kwok Ko
   Rensselaer Polytechnic Institute and Stanford University
   (view abstract pdf)
   

Session 8. Mesh Quality Measures
2:00-4:00PM, Wednesday, July 30 2003
Chair: Lori Freitag Diachin, Sandia National Lab.

1. A Comparison Of Local And Global Formulations Of The Mesh
   Lori Freitag Diachin, Patrick Knupp, Todd Munson, Suzanne Shontz
   Sandia National Laboratries, Argonne National Laboratory, and Cornell University
   (view abstract pdf)
   
   
2. A New Quality Measure To Evaluate Unstructured 2D-Meshes And Triangular Elements: The Perimetral Ratio
   Alexandre Manoel Dos Santos, Sérgio Scheer
   Universidade Federal do Paraná and Universidade do Contestado
   (view abstract pdf)
   
   
3. Integrating Quality Measures With Element Approval
   Harri Hakula, Jaakko Lehtinen
   Helsinki University of Technology and Remedy Entertainment, Ltd.
   (view abstract pdf)
   
   
4. Upper Bounds For Star Quality As A Function Of Polytope Quality
   Alexandre Cunha, Omar Ghattas
   Carnegie Mellon University, Pittsburgh, Pennsyvania
   (view abstract pdf)
   
   

Session 9. Hybrid Mesh Generation
4:30-6:30PM, Wednesday, July 30 2003
Chair: Nancy Hitschfeld, University of Chile

1. Generation Of Mixed Element Meshes Using a Flexible Refinement Approach: Advantages and Limitations
   Nancy Hitschfeld
   Universidad de Chile, Santiago, Chile
   (view abstract pdf) (download gzipped pdf presentation 1165 KB)
   
   
2. Hybrid Mesh Generation Based On Metric Identity In Discrete Form
   Peter Niederdrenk, Thomas Gerhold
   Institute of Aerodynamics and Flow Technology, DLR, Germany
   (view abstract pdf)
   
   
3. Three Dimensional Hybrid Mesh Generation Using A Combined Cartesian And Tetrahedral Mesh Generator
   Young Kyu Lee, Ted D. Blacker, Jin Zhu
   Fluent INC and Sandia National Laboratories
   (view abstract pdf) (download zipped powerpoint show file 1018KB)
   
   
4. Optimal Semi-Structured Grid Generation In Ridges And Gaps
   Aristotelis Athanasiadis, Herman Deconinck
   von Karman Institute for Fluid Dynamics, Belgium
   (view abstract pdf)
   

4th Trends in Unstructured Mesh Generation: Part II

Location: Galisteo Room, Albuquerque Convention Center

Session 1. Design To Analysis
9:45-11:45AM, Tuesday, July 29 2003
Chair: TBA

1. Reliability Of Mesh Generation Software
   Ahmed ElSheikh, Spencer Smith, Samir Chidiac
   McMaster University, Ontario, Canada
   (view abstract pdf)
   
   
2. Structured And Semi-Structured Mesh Storage
   Tim Tautges, Karl Merkley
   Sandia National Laboratories and Elemental Technologies, Inc.
   (view abstract pdf) (download zipped pdf presentation 954 KB)
   
   
3. A Comparison Of Techniques For Geometry Access As Related To Mesh Generation
   Joe Walsh, Dr. Mark Beall, Mark S. Shephard
   Simmetrix Inc. and Rensselaer Polytechnic Institute
   (view abstract pdf) (download zipped powerpoint show file 3221 KB)
   
   
4. DDV, A Tool For Geometry Extraction From Image Data
   John Fowler, Harold Trease
   Computational Geometry Consulting, Inc. and Battelle Pacific Northwest National Laboratory
   (view abstract pdf)
   
   
5. The Sandia Mesh Database (MDB)
   Tim Tautges, Karl Merkley, Clinton Stimpson, Ray Meyers
   Sandia National Laboratories and Elemental Technologies, Inc.
   (view abstract pdf) (download zipped powerpoint show file 176 KB)

Session 2. Surface Meshing
2:00-4:00PM, Tuesday, July 29 2003
Chair: Soji Yamakawa, Carnegie Mellon University

1. High Quality Triangular/Quadrilateral Mesh Generation
   Kenji Shimada, Soji Yamakawa
   Carnegie Mellon University, Pittsburgh, Pennsylvania
   (view abstract pdf)
   
   
2. Simplification Of Composite Parametric Surface Meshes
   Patrick Laug, Houman Borouchaki
   INRIA Rocquencourt, GAMMA Project, France and University of Technology of Troyes
   (view abstract pdf) (download zipped powerpoint show file 539 KB)
   
   
3. Improving Surface Remeshing By Feature Recognition
   Alain Rassineux, Cédric Chappuis, Piotr Breitkopf, Pierre Villon
   Université de Technologie de Compiègne
   (view abstract pdf)
   
   
4. A Novel Segmentation Method for 3D Surface Meshes
   Thitiwan Srinark, Chandra Kambha
   University of Delaware, Newark, Delaware
   (view abstract pdf) (download zipped powerpoint show file 1843 KB)
   
   
5. Boundary-Conforming Curvilinear Coordinates With Grid Curves Control Applied To Scattering From Arbitrary Shape Obstacles
   Vianey Villamizar, Otilio Rojas
   Brigham Young University and Universidad Central de Venezuela
   (view abstract pdf)
   

Session 3. Geometry
9:45-11:45AM, Wednesday, July 30 2003
Chair: David White, Sandia National Lab.

1. Surface Generation From Point Clouds On Surface
   Takeo Taniguchi, T. Kodani, Kiyoaki Moriwaki
   Okayama University and ABSQUS INC
   (view abstract pdf) (download zipped powerpoint show file 4979 KB)
   
   
2. Geometric Modeling For Finite Element Using Multi-Regions And Parametric Surfaces
   Luiz Martha, William Lira, Antonio Miranda, Luiz Coelho, Joaquim Cavalcante-Neto
   Pontifical Catholic University of Rio de Janeiro, Cornell University, and Federal University of Ceara (UFC)
   (view abstract pdf)
   
   
3. An Efficient 3D Volume Reconstruction Method
   Robert Moore, Sunil Saigal, Gregory Rohrer
   Carnegie Mellon University and University of South Florida
   (view abstract pdf)
   
   
4. Image Based Analytic Surface Representation And Mesh Generation
   Charles Taylor, Erik Bekkers
   Stanford University, California
   (view abstract pdf)
   
   
5. Automatic Linearization During Multiple-Material Surface Mesh
   John Sullivan, Wei Huang, Qingyang Zhang, Ziji Wu
   Worcester Polytechnic Institute and Dartmouth College
   (view abstract pdf)
   

Session 4. Parallel Mesh Generation Applications
2:00-4:00PM, Wednesday, July 30 2003
Chair: Tim Tautges, Sandia National Lab.

1. Automatic Domain Decomposition for Parallel 2D Constrained Delaunay Mesh Generation
   Nikos Chrisochoides, Andrey Chernikov
   College of William and Mary, Williamsburg, Virginia
   (view abstract pdf)
   
   
2. Analysis Of Parallel Surface Mesh Smoothing Methods
   Ziji Wu, Qing Feng, John B. Weaver, Keith D. Paulsen
   Dartmouth College and Dartmouth-Hitchock Medical Center
   (view abstract pdf)
   
   
3. Design Of A Projection-Based Parallel Delaunay Mesh Generation And Refinement Algorithm
   Clemens Kadow, Noel Walkington
   Carnegie Mellon University, Pittsburgh, PA
   (view abstract pdf) (download zipped pdf presentation 1979 KB)
   
   
4. Parallel Unstructured Volume Meshing in CFX-5
   Michael Marchant, Mark Braaten
   CFX, Harwell IBC and GE Global Research
   (view abstract pdf)
   
   
5. Robust Parallel Algorithm For Anisotropic Adaptive Tetrahedral Meshes
   Konstantin Lipnikov, Yuri Vassilevski
   Los Alamos National Laboratory and Russian Academy of Sciences
   (view abstract pdf) (download zipped pdf presentation 493 KB)