An interactive geometry utility environment for multi‐disciplinary computational engineering

A parallel simulation user environment (PSUE) has been developed for unstructured grid-based computational simulation. Arbitrary computer application software can be integrated into the environment to provide a multi-disciplinary engineering analysis capability within one unified computational framework. It provides an enhanced capability for complex and multiple problem definition, a graphics environment for guidance through the grid generation process with visual validation of each step, and robust and computationally efficient unstructured grid generation modules. This paper addresses an interactive geometry utility environment (IGUE), which is the primary part of the PSUE, providing sophisticated graphical user interfaces with geometric handling capability oriented to the unstructured grid technology. The IGUE is equipped with windowing functionality from the X-Window system, and its underpinning data structure is based on non-manifold topology. Copyright © 2001 John Wiley & Sons, Ltd.

[1]  Jan Helge Bøhn,et al.  Removing zero-volume parts from CAD models for layered manufacturing , 1995, IEEE Computer Graphics and Applications.

[2]  Nigel P. Weatherill,et al.  Topology Abstraction of Surface Models for Three-Dimensional Grid Generation , 2001, Engineering with Computers.

[3]  Nigel P. Weatherill,et al.  Visual Steering of Grid Generation in a Parallel Simulation User Environment , 2000 .

[4]  Tapio Takala,et al.  A Taxonomy on Geometric and Topological Models , 1992 .

[5]  Nigel P. Weatherill,et al.  A parallel simulation user environment for computational engineering , 1996 .

[6]  N. Weatherill A method for generating irregular computational grids in multiply connected planar domains , 1988 .

[7]  Nigel P. Weatherill,et al.  Grid adaptation using a distribution of sources applied to inviscid compressible flow simulations , 1994 .

[8]  Les A. Piegl,et al.  The NURBS Book , 1995, Monographs in Visual Communication.

[9]  Xuejun Sheng,et al.  Generating topological structures for surface models , 1995, IEEE Computer Graphics and Applications.

[10]  N. Weatherill,et al.  Efficient three‐dimensional Delaunay triangulation with automatic point creation and imposed boundary constraints , 1994 .

[11]  Lee A. Butler,et al.  Combinatorial Solid Geometry, Boundary Representations, and n-Manifold Geometry , 1991 .

[12]  Tom Davis,et al.  Opengl programming guide: the official guide to learning opengl , 1993 .

[13]  Alistair George,et al.  Advanced Motif Programming Techniques , 1994 .