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

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Text this: Characterization of sand convective motions at a vertical wall subjected to long-term cyclic loading