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 _    _     _____    __   _     _____     _  __  
| || | ||  |  ___|| | || | ||  |  ___||  | |/ // 
| || | ||  | ||__   | '--' ||  | ||__    | ' //  
| \\_/ ||  | ||__   | .--. ||  | ||__    | . \\  
 \____//   |_____|| |_|| |_||  |_____||  |_|\_\\ 
  `---`    `-----`  `-`  `-`   `-----`   `-` --`

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Text this: Acoustic wave scattering by two dimensional inclusion with irregular shape in an ideal fluid