Hydrostatic pressure?

Luis,

I think you will need to use Solidworks Simulation if you want to examine the displacement of the container.  Take a look at some of the links in the "More Like This" section to the right side of this posting.  One in particular is:

https://forum.solidworks.com/message/177555#177555   "Re: How to add the boundary condition"

Flow Simulation can model the pressure distribution of the fluid under gravity, but I don't think it will model the static reaction forces and displaements of the container. 

Cheers,

Eric