Rob
Ansys Employee

 

If you’re using VOF and the solidification model you might want to read up on how they work: I suspect it’s not what you think.  With the droplets that are being lumped together, do you have so many nodes that the partitions are causing a lot of problems? Equally, if two lumps of VOF touch they’ll form a bigger lump. 

https://ansyshelp.ansys.com/account/Secured?returnurl=/Views/Secured/corp/v222/en/flu_udf/flu_udf_sec_using_udfs_parallel.html  Section 7.3.2.5.2