Text this

Number:

Provider:

CAPTCHA:

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

Please enter what you see:

Text this: Controllability and actuator placement optimization for active damping of a thin rotating ring with piezo-patch transducers