Re. Modeling Moving Sheet in a liquid bath
 

Sir:

HAPPY NEW YEAR and Hello!! It is nice to talk to you people again.

Sir. i want to know how to model in GEMBIT, 'the moving sheet in a liquid bath'. I have created interface surfaces with the interface boundary conditions for sheet and liquid both. and in Fluent i am using 'grid interface' tool to declare the surfaces: now,

is this is correct / and best way. what conditions out of two options 'periodic' or 'coupled' should i give. how to give velocity of the sheet in the boundary condition panel. is it we need to declare the solid material also with the respective velocity component. is it possible to give velocity of sheet in the steady state condition also, or else we required transient condtions only.