أرسل هذا في رسالة قصيرة: Physical and numerical modeling of drag load development on a model end-bearing pile

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