Describir: Cavity flows control by High Frequency Forcing

 _    _      ___     _____       ___      _  _      ___     __   _     ______  
| \  / ||   / _ \\  |  __ \\    / _ \\   | \| ||   / _ \\  | || | ||  /_   _// 
|  \/  ||  | / \ || | |  \ ||  | / \ ||  |  ' ||  / //\ \\ | '--' ||   -| ||-  
| .  . ||  | \_/ || | |__/ ||  | \_/ ||  | .  || |  ___  ||| .--. ||   _| ||_  
|_|\/|_||   \___//  |_____//    \___//   |_|\_|| |_||  |_|||_|| |_||  /_____// 
`-`  `-`    `---`    -----`     `---`    `-` -`  `-`   `-` `-`  `-`   `-----`