Method of grid generation about or within a 3 dimensional object

Details Method of grid generation about or within a 3 dimensional object Method of grid generation about or within a 3 dimensional object

1997-06-24

1999-07-13

Nguyen, Phu K.

Computer graphics processing and selective visual display system

Computer graphics processing

345419, G06T 1500

Patent

active

059233290

ABSTRACT:
A method to generate body-fitted grids, based on the direct solution for three scalar functions, is derived. The grid is re-meshed, based on the solution, using a grid-correction procedure. Calculations are performed for a variety of problems with both Dirichlet and Neumann boundary conditions, involving the use of non-linear source-terms, and other techniques to effect grid-control. According to the described method, a current grid and reference scalars are provided. The values at nodes within the current grid are calculated and compared with the reference values. The nodes on the current grid are moved until the values calculated and the reference scalars are within predetermined tolerances. The current grid represents the desired reference grid. Such a method is useful in grid boundary evaluation and modification as well as in grid adaptation.

REFERENCES:
patent: 5303337 (1994-04-01), Ishida
patent: 5386500 (1995-01-01), Pomerantz et al.
patent: 5793371 (1998-08-01), Deering

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