Posted by ecook on
URL: http://forum.featool.com/Error-when-combining-objects-subtracting-object-from-flow-block-tp1633.html

Greetings,

I am attempting to subtract a submerged object from a block.  In the following configuration the result is a useable flow domain:
before combining:

after combining:


If the block size is increased from -1:1, -1:1, 0:2 to -30:5, -2:2, 0:3, the same combination does not yield a useable domain.  The submerged object becomes sort of a partial shell:
before combining:

after combining:


I have tried first combining with the smaller block and then augmenting with blocks on the sides and top, but the result is the same.  Here's a link to the relevant model file:

https://drive.google.com/file/d/1ysTSsLbAubOsbxlXdsm-6Jh3KVTNxgrO/view?usp=drive_link

Any help would be appreciated!