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__    __     ___     __   _    _    _             
\ \\ / //   / _ \\  | || | || | || | ||   ____    
 \ \/ //   / //\ \\ | '--' || | || | ||  |    \\  
  \  //   |  ___  ||| .--. || | \\_/ ||  | [] ||  
   \//    |_||  |_|||_|| |_||  \____//   |  __//  
    `     `-`   `-` `-`  `-`    `---`    |_|`-`   
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Text this: Weighted average velocity forward modelling of Rayleigh surface waves