Dynamic Mesh of Ball

sam

Hello Dear fluent users,

I want to use that moving mesh feature of fluent and my problem is like that:

a.)I want to move a ball whose velocity is about

1 m/sec

b.)I have a ball of radius 2 metres and the domain

outside is of about 20x10 metres, please help me

in this regard that what are the boundary

conditions for such 2d problem and what steps i

have to use. I will be greatful to all of u.

Thanks in advance.