Paper
28 October 2006 An improved level-set method for tracking the interface of fluids
Jian-liang Jin, Nan Jiang
Author Affiliations +
Proceedings Volume 6420, Geoinformatics 2006: Geospatial Information Science; 64201K (2006) https://doi.org/10.1117/12.713009
Event: Geoinformatics 2006: GNSS and Integrated Geospatial Applications, 2006, Wuhan, China
Abstract
The interface of fluids can develop corners and discontinuities while it advances. The Level-set method is one of the most popular methods used for the problem of tracking a propagating interface. The Fast marching method (FMM) is an effective method for monotonically propagating fronts. In this paper we present an o(n) improved level-set algorithm. This new method is based on the narrow band approach as in the FMM. However, it uses a multi-point correction strategy to advance a group of grid points at a time, rather than sorting the solution in the narrow band, to march forward to a single grid point, and then update the rid points one by one. The numerical results by two and three dimensions, shows the validity of the new method. This method has been applied to the tracking of an interface in a dynamic virtual environment.
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Jian-liang Jin and Nan Jiang "An improved level-set method for tracking the interface of fluids", Proc. SPIE 6420, Geoinformatics 2006: Geospatial Information Science, 64201K (28 October 2006); https://doi.org/10.1117/12.713009
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KEYWORDS
Interfaces

Wavefronts

Fluid dynamics

Virtual reality

Detection and tracking algorithms

Astatine

Geography

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