Result Validation

Saang

I am working on my droplet impact model and the result I got is over-predicted. The scale of problem is order of millimeters. I use 2-D model.

I am not sure whether the problem comes from the 2-D model itself or fulid parameters. I use water as a heavy fluid. What I am investigating now is to increase either surface tension or viscosity of fluid and I got the better result in droplet spreadout, but the shape is still not right. I am totally lost now.

Any idea to suggest me?

Thank you in advance Saang