simple problem
 

hello people! i am a new user of fluent and have been working on few validation compuations.i have a case of a flat plate with oscillations.now i need to define a certain amplitude and frequency for the plate with which its oscillating,so i need a function which can define such an oscillation.secondaly i need to know if i have to use a moveable mesh so that it can adjust with the oscillation of the plate. i am not a very proficent C++ user.can anybody help me out as i have been going through the tutorial guide as well.i will be very obliged! thanks