k-Wave

1. rodlming
   

   Member
   Joined: Jul '16
   Posts: 1

   Hello,
   I am first time using K-Wave tool box.
   I was wondering how should I set up the initial pressure gradient in kspaceFirstOrder3D function
   Is set up the pressure gradient set possible only kspaceSecondOrder function ?
   could you tell me please.
   Thank you

   Posted 8 years ago #

2. bencox
   

   Developer
   Joined: Mar '10
   Posts: 292

   Hi rodlming,

   As well as setting the initial pressure, you can set the initial particle velocity in kspaceFirstOrder3D, which is closely related to the pressure gradient (see the equations in the User Manual). Or you could use a time varying source to set the temporal pressure gradient. There isn't an option to set it directly as there is with kspaceSecondOrder though.

   Kind regards,
   Ben

   Posted 8 years ago #

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