أرسل هذا في رسالة قصيرة: CRASHWORTHINESS ANALYSIS OF HYBRID STEEL-COMPOSITE DOUBLE-HAT MULTI-CORNER THIN-WALLED COLUMN UNDER AXIAL LOADING

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