nCloth reacts to Maya dynamic forces. You can add these external forces to your scene to influence the behavior of your nCloth objects.
To use a 2D or 3D fluid as an external force with nCloth
The 2D or 3D fluid will now affect your nCloth.
You can use the Dynamic Relationships Editor to view and edit the connections between the nCloth and fluid objects. When you use a 2D or 3D fluid as an external force with nCloth, the fluid is considered a field rather than a collision object. Therefore, to see the connections between the nCloth and fluid object in the Dynamic Relationship Editor, select Fields as the selection mode. See Dynamic Relationships Editor.