Proceedings of the 19th International Meshing Roundtable (eBook)

Preface 5
Contents 6
Session 1A, Surface Meshing 9
Hexagon-Based All-Quadrilateral Mesh Generation with Guaranteed Angle Bounds 9
Q-TRAN: A New Approach to Transform Triangular Meshes into Quadrilateral Meshes Locally 31
Mesh Construction with Prescribed Properties Near Boundary 43
A Transfinite Meshing Approach for Body- In- White Analyses 57
Session 2A, Optimization 74
Introducing the Target-Matrix Paradigm for Mesh Optimization via Node- Movement 74
An Analytical Framework for Quadrilateral Surface Mesh Improvement with an Underlying Triangulated Surface Definition 91
Efficient Solution of Elliptic Partial Differential Equations via Effective Combination of Mesh Quality Metrics, Preconditioners, and Sparse Linear Solvers 109
Virtual Control Volumes for Two-Dimensional Unstructured Elliptic Smoothing 127
Session 2B, Surface Reconstruction and Repair 149
Reconstructing High-Order Surfaces for Meshing 149
Simple Method for Constructing NURBS Surfaces from Unorganized Points 167
Sealing Faceted Surfaces to Achieve Watertight CAD Models 182
A Metric for Automatic Hole Characterization 200
Session 3A, Hex Meshing 214
Receding Front Method: A New Approach Applied to Generate Hexahedral Meshes of Outer Domains 214
EBMesh: An Embedded Boundary Meshing Tool 231
Sharp Feature Preservation in Octree-Based Hexahedral Mesh Generation for CAD Assembly Models 247
Pen-Based User Interface for Geometric Decomposition for Hexahedral Mesh Generation 267
Session 6A, Adaptive 283
Particle Systems for Adaptive, Isotropic Meshing of CAD Models 283
A Study on Using Hierarchical Basis Error Estimates in Anisotropic Mesh Adaptation for the Finite Element Method 301
Bisection-Based Triangulations of Nested Hypercubic Meshes 319
Optimizing Voronoi Diagrams for Polygonal Finite Element Computations 338
Session 6B, Applications 354
Creating Geometry and Mesh Models for Nuclear Reactor Core Geometries Using a Lattice Hierarchy-Based Approach 354
Multi-tissue Mesh Generation for Brain Images 369
A Toolkit for Parallel Overset Grid Assembly Targeting Large- Scale Moving Body Aerodynamic Simulations 387
A Dimension-Independent Data Structure for Simplicial Complexes 404
Index of Authors and Co-authors 422
Reviewers 424