Basic Algorithms

• Volume-of-Fluid (VOF) methods (Hirt & Nichols (1981), Youngs (1982))
• Example 1: Breaking Waves (Ji, 2001)


 

• movie (QuickTime)

• Example 2: Droplet (Ji, 2000)
• VOF-Young method
• movie (mpeg)



• Example 3: Rayleigh-Taylor instability (Gromadzki, 2000)
• VOF-Youngs method
• density ratio: 1.2
• Froude number: 0.5
• Reynolds number: 500
• sinusoidal perturbation of amplitude 0.02
• movie (QuickTime)

• Example 4: Bubble (Gromadzki, 2000)
• VOF-Youngs method
• movie (QuickTime)


• Example 5: Shearing flow (Gromadzki, 2000)
• Youngs-VOF method
• velocity field: u(x,y)=cos(x) sin(y), v(x,y)=-sin(x) cos(y)
• movie (QuickTime)

• Marker-And-Cell (MAC) and Simplied Marker-And-Cell (SMAC) methods (Welch  et al (1966), Amsden & Harlow (1971), Tome & McKee (1994))

• Example 1: filling process into a cubic container (Ji, 2000)
• SMAC method
• movie (QuickTime)

 

 



• Example 2: Newtonian jet (Ji, 2000)
• SMAC method
• movie (QUICKTime)

 



• Example 3: non-Newtonian jet (Ji, 2000)
• SMAC method
• Cross model
• movie (QUICKTime)

 

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