X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Patent
1991-06-28
1994-09-06
Dzierzynski, Paul M.
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
378901, 395120, 395124, 36441319, G01N 23083, G06F 1531
Patent
active
053454901
ABSTRACT:
A method and apparatus for converting computed tomography (CT) data into finite element models. The system generates both 2-D and 3-D models using the automatic mesh generators, QUADTREE and OCTREE, which are founded on recursive spatial decomposition. Multiple slices of CT data are obtained by scanning the object to be modeled. The slices are stacked and processed to form a discrete solid model. The discrete solid model is an alternate geometry defined discretely rather than with continuous analytic curves and surfaces but still provides a foundation for automatic mesh generation. Since the QUADTREE and OCTREE automatic mesh generators map naturally to the discrete solid model, the integration of CT technology and automatic mesh generation can be achieved.
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Finnigan et al., "Merging CAT and FEM," Mechanical Engineering, Jul., 1990, pp. 32-38.
Finnigan Peter M.
Hathaway Alan F.
Lorensen William E.
Bruce David V.
Dzierzynski Paul M.
General Electric Company
Scanlon Patrick R.
Webb II Paul R.
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