about the cell connectivity
 

i use following commond to setup a model with finer mesh in internal while coarser external, but error happened. who can give me some advices. vc3d,0,5,5,0,360,18,0,1000,1000

vc3d,5,7,2,0,360,36,0,1000,1000

vmerge,all,,0.0001,,,,,,,low,delete

check,all, ,connect,newset,nolist

error happened, error #265 total number of occurences:1 model has groups of disconnected cells

Re: about the cell connectivity
 

You have to use couples to connect the fine grid with the coarse grid.

Re: about the cell connectivity
 

You don't need to do the vmerge but you have to create couples between the 2 meshes.

Re: about the cell connectivity
 

why the hell you are not working through the tutorials???? this is for every software the best way to get into it !! 99% of your (...) questions would be answered by doing this.

please do it!

Thomas