[mykkujinu2201]

Dear all,

I have a question about implementation of coupled level-set and volume-of-fluid method (CLSVOF) on OpenFOAM.
I found Sankar's work on the internet. (http://www.tfd.chalmers.se/~hani/kurser/OS_CFD/)
I could get the OF code from the above URL.
However, his work was done on OF 2.3.0 and I am using OF 4.0 so I need to modify the code to run.
I share the codes here. (deleted)
There are two types of code; sclsVOFsfFoam which use level-set method only for the modification of surface tension and sclsVOFFoam which additionally modify density and viscosity with Heaviside function.

I tested the code for the given tutorial as known as 'rising bubble'.
The codes worked but the problem is that I can not get the same result which Sankar presented on his slides and report.
As you may see the figure I share, the result of scslVOFsfFoam looks similar to that of Sankar's presentation.
For scslVOFFoam, the result is weird; as the bubble rises, it shows unrealistic shape as attached.

I modified the code based on interFoam.
I mean that I started from interFoam and added the additional parts including level-set function generation.
It would be appreciate and really helpful if someone could help me for this issue.

Thank you in advance.