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The point-set method: Front-tracking without connectivity. (English) Zbl 0998.76070
Summary: We describe a point-set method for extracting the normal, curvature, and surface area from unordered data points residing on a surface. This capability relaxes front-tracking’s reliance on connectivity between interfacial points, and allows front-tracking to model topological changes at an interface naturally. We use this capability in two- and three-dimensional front-tracking calculations to model coalescence. We also describe a simple projection scheme which allows us to suppress parasitic currents in front-tracking models.

MSC:
76M25 Other numerical methods (fluid mechanics) (MSC2010)
76D05 Navier-Stokes equations for incompressible viscous fluids
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