Ray Tracing for Point Distribution in Unstructured Grid Generation
Khamayseh, Ahmed, Frank Ortega and Harold Trease
5th International Conference on Numerical Grid Generation in Computational Field Simulations, Mississippi State University, pp.257-267, April 1996
We present a procedure by which grid points are generated on surfaces or within three-dimensional volumes to produce high quality unstructured grids for complex geometries. The virtue of this method is based on ray-tracing approach for curved polyhedra whose faces may lie on natural quadrics (planes, cylinders, cones, or spheres) or triangular faceted surfaces. We also present an efficient point location algorithm for identifying points relative to regions with classification of inside/on/outside.
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