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  _  __    _____     ______   _    _     ______  
 | |/ //  |  ___||  /_   _// | || | ||  /_____// 
 | ' //   | ||__      | ||   | || | ||  `____ `  
 | . \\   | ||__     _| ||   | \\_/ ||  /___//   
 |_|\_\\  |_____||  /__//     \____//   `__ `    
 `-` --`  `-----`   `--`       `---`    /_//     
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Text this: Axisymmetric plastic expansion of a cylindrical hole in isotropic metallic foam