Gambit - meshing 2 pipes' intersection
 

I try to mesh two pipes' intersection with Gambit (journal file is below). Unfortunately there are many skewed elements. Can anyone help me to mesh it with "structured grid"? Many thanks in advance.

/ File opened for write Tue Jul 10 13:09:10 2007.

volume create height 2050 radius1 50 radius3 50 offset 0 0 1025 zaxis frustum

volume create height 1000 radius1 50 radius3 50 offset 500 0 0 xaxis frustum

volume move "volume.2" offset 0 0 2000

volume unite volumes "volume.1" "volume.2"

volume create width 300 depth 300 height 300 brick

volume move "volume.2" offset 0 0 2000

volume split "volume.1" volumes "volume.2" connected