I am running a circular droplet on a solid surface simulation with SPH. The density of the droplet and the dummy particles(solid wall) are the same initially. Does anyone have SPH idea why the fluid particles are interpenetration at the center?
Rubel Ahmed
Yes, Thanks for the nice reply
Denys Dutykh
The initial particle distribution is not uniform within the droplet. That's why I have to use the variable smoothing length/adapted smoothing length. Also, I figured out that the droplet density of the edges is dropping with time and due to the dropping of density from the reference one, negative pressure appears and finally particles are penetrating the solid wall. Do you have any idea how to resolve the issue also.
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