Materials
Now, define the two fluid for the model: air and coating fluid.
1
In the Model Builder window, under Component 1 (comp1) > Materials > Multiphase Material 1 (mpmat1) click Phase 1 (mpmat1.phase1).
2
In the Settings window for Phase, locate the Link Settings section.
3
Click  Add Material from Library . This button is found when expanding the options next to the Material list.
4
Add Material to Phase 1 (mpmat1.phase1)
5
Go to the Add Material to Phase 1 (mpmat1.phase1) window.
6
In the tree, select Built-in > Air. Click OK.
Continue by adding the coating fluid.
1
In the Model Builder window, under Component 1 (comp1) > Materials > Multiphase Material 1 (mpmat1) click Phase 2 (mpmat1.phase2).
2
In the Settings window for Phase, locate the Link Settings section.
3
Click  Blank Material . This button is found when expanding the options next to the Material list.