A Coupled Volume-of-Fluid/ Level Set Method in OpenFOAM
A Coupled Volume-of-Fluid/ Level Set Method in OpenFOAM
A Coupled Volume-of-Fluid/ Level Set Method in OpenFOAM
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Reconstruction <strong>of</strong> the Interface<br />
1 identification <strong>of</strong> the cells describ<strong>in</strong>g the <strong>in</strong>terface<br />
cells with φ < (0.5 √ ∆x) 0 < α < 1<br />
(depend<strong>in</strong>g on the position <strong>of</strong> the<br />
<strong>in</strong>terface)<br />
sign (φ) = −1 α = 1<br />
sign (φ) = 1 α = 0<br />
2 l<strong>in</strong>ear reconstruction <strong>of</strong> α from φ<br />
p := ai,j,k (x − xi) + bi,j,k (y − yj) + ci,j,k (z − zk) + di,j,k<br />
plane p represent<strong>in</strong>g the 0-contour <strong>of</strong> the <strong>Level</strong>-<strong>Set</strong> variable<br />
CLSVOF <strong>in</strong> <strong>OpenFOAM</strong> 19.11.2010 10 / 19
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