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- W2994691323 abstract "Abstract We present 3 D-EPUG-Overlay , a fast, exact, parallel, memory-efficient, algorithm for computing the intersection between two large 3-D triangular meshes with geometric degeneracies. Applications include CAD/CAM, CFD, GIS, and additive manufacturing. 3 D-EPUG-Overlay combines 5 techniques: multiple precision rational numbers to eliminate roundoff errors during the computations; Simulation of Simplicity to properly handle geometric degeneracies; simple data representations and only local topological information to simplify the correct processing of the data and make the algorithm more parallelizable; a uniform grid to efficiently index the data, and accelerate testing pairs of triangles for intersection or locating points in the mesh; and parallel programming to exploit current hardware. 3 D-EPUG-Overlay is up to 101 times faster than LibiGL, and comparable to QuickCSG, a parallel inexact algorithm. 3 D-EPUG-Overlay is also more memory efficient. In all test cases, 3 D-EPUG-Overlay ’s result matched the reference solution. It is freely available for nonprofit research and education at https://github.com/sallesviana/MeshIntersection ." @default.
- W2994691323 created "2019-12-26" @default.
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- W2994691323 date "2020-03-01" @default.
- W2994691323 modified "2023-09-24" @default.
- W2994691323 title "An Efficient and Exact Parallel Algorithm for Intersecting Large 3-D Triangular Meshes Using Arithmetic Filters" @default.
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- W2994691323 doi "https://doi.org/10.1016/j.cad.2019.102801" @default.
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