Describir: Cavity flows control by High Frequency Forcing

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 /_   _//  /_   _// | || | ||   / _ \\  \ \\ / //  |  ___|| |      \\ 
   | ||     -| ||-  | || | ||  | / \ ||  \ \/ //   | ||__   |  --  // 
  _| ||     _| ||_  | \\_/ ||  | \_/ ||   \  //    | ||__   |  --  \\ 
 /__//     /_____//  \____//    \___//     \//     |_____|| |______// 
 `--`      `-----`    `---`     `---`       `      `-----`  `------`  
                                                                      
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