Text this: Dynamic response of tower crane induced by the pendulum motion of the payload

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