Text this: The blister test : transition from plate to membrane behaviour for an elastic material

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