Is there a demo of 2D wave equation in FEniCS with absorbing boundary conditions

Hello,

After getting comfortable with some basic fenics demos, I am trying to make a 2D wave equation code with ABC, and I could trace from some old launchpad questions that there was a demo earlier but it was not included in the current documentation. Or maybe I missed it. Is anyone aware of such demo? or does anyone have a non-copyrighted working 2D wave equation code for learning purposes. I' ll be grateful for any help in this regard.

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I am also working on a draft myself and will post it later for helpful suggestions and solving difficult errors.

Thanks a lot!

asked Oct 5, 2015 by Chaitanya_Raj_Goyal FEniCS User (4,150 points)
edited Oct 5, 2015 by Chaitanya_Raj_Goyal

Hi,
I am not aware of any wave equation demo, but Dealii has one, which you might be interested in.
https://www.dealii.org/developer/doxygen/deal.II/step_23.html

and also, in the fenics QA:
http://fenicsproject.org/qa/3441/time-evolution-of-the-scalar-wave-equation

commented Oct 9, 2015 by qiangzini FEniCS Novice (760 points)

Thank you qiangzini for your input. Highly appreciate it. I wonder why I didn't get any email about this comment!

commented Oct 16, 2015 by Chaitanya_Raj_Goyal FEniCS User (4,150 points)