Using sequential NETGEN as a component for a parallel mesh generator. (June 2015)

• Record Type: Journal Article
• Authors: Yilmaz, Y.; Ozturan, C.
• Is Part Of: Advances in engineering software. Volume 84(2015)
• Page Start: 3
• Page End: 12
• Publication Date: 2015-06
• Subjects: Mesh generation -- Parallel -- Mesh migration -- Refinement -- Tetrahedral mesh -- Geometric decomposition; Computer-aided engineering -- Periodicals; Engineering -- Computer programs -- Periodicals; Engineering -- Software -- Periodicals; Periodicals; 620.0028553
• DOI: 10.1016/j.advengsoft.2014.12.013
• Languages: English
• ISSNs: 0965-9978

Abstract

Abstract: A parallel tetrahedral mesh generator is developed using the existing sequential NETGEN mesh generator. Mesh generation algorithms developed decompose the geometry into multiple sub-geometries sequentially on a master node and then mesh each sub-geometry in parallel on multiple processors. Two methods are implemented. The first decomposes the geometry and produces conforming surface sub-meshes from which volume meshes can be generated in parallel. A second refinement based method also makes use of the CAD geometry information. A scalable mesh migration algorithm that utilizes "owner updates" rule is implemented. Results show that using the refinement based method, a mesh with a billion elements can be generated in about a minute.