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-   -   Numerical method for free surface flow? (http://www.cfd-online.com/Forums/main/476-numerical-method-free-surface-flow.html)

Oleg Melnik January 20, 1999 12:58

Numerical method for free surface flow?
 
Hi, I am looking for a numerical method to simulate the shape of a free surface of extremely viscous fluid outflowing from a conduit to a surface. The problem is unsteady, axe-symmetric, fluid is incompressible, with variable viscosity (function of pressure). The inertia terms are negligible. Any references or code samples are welcome.

Best regards, Oleg

Essemiani January 21, 1999 10:05

Re: Numerical method for free surface flow?
 
have look an the Volume Of Fluid method implemented in fluent code , see the theoretical guide , with this approache , you take into account the deformation of the surface

karim

Shigunov January 21, 1999 13:59

Re: Numerical method for free surface flow?
 
See: Kelecy&Pletcher (1997) J. Comput. Phys. 138: 939-980

Nur Ikhwan January 21, 1999 23:41

Re: Numerical method for free surface flow?
 
You can also have look at FLOW3D. Its input variable, ITB, NMAT, PVOID, can be directed for free surface simulation.

Dr. Tanmay Sarkar January 22, 1999 05:28

Re: Numerical method for free surface flow?
 
The book Computational Methods for Fluid Dynamics by Ferziger & Peric have a nice chapter on this topic. All recent references are also in it. Tanmay


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