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

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Text this: Time-harmonic response of a vertical crack in plates