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1. Alexll7
   

   Member
   Joined: Jul '18
   Posts: 15

   Hello, me again !

   To reduce the size of my grid, I want to make use of the symmetry of my problem. In fact, I have a symmetry according to z-axis of my transducer. So, I want to apply symmetry conditions according to z=0 plane. I don't see easy way to do that. Did you implement something about that ? Or, do you see an easy way to do that ?
   (the idea is gainning a "2 factor" according to z dimension and speed up my simulations).

   Thanks so much in advance,
   Best regards,

   Alex

   Posted 6 years ago #

2. bencox
   

   Developer
   Joined: Mar '10
   Posts: 292

   Hi Alex,

   By adding the optional argument PMLAlpha to [0 1] or [1 0] you can make the simulations periodic in one direction or the other (due to the gradients being calculated using an FFT), but I can't think of a quick trick to get the reflection symmetry you're after.

   Best wishes,
   Ben

   Posted 6 years ago #

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