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start:first_simulation
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start:first_simulation [2018/09/04 16:03] pgrolich |
start:first_simulation [2018/09/04 16:05] pgrolich |
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| This behavior is caused by unset **boundary conditions** that behave like mirrors here. In order to let the wave go out of the computational space we need to apply an absorbing boundary condition, so we click on any entry in "Boundary conditions" set to change the boundary conditions on all the faces to a simple absorbing condition (Liao). | This behavior is caused by unset **boundary conditions** that behave like mirrors here. In order to let the wave go out of the computational space we need to apply an absorbing boundary condition, so we click on any entry in "Boundary conditions" set to change the boundary conditions on all the faces to a simple absorbing condition (Liao). | ||
| - | <img src="http://gsvit.net/images_v18/ex1_bcs.png"> | + | |
| + | {{:start:first-simulation-boundary-conditions.png?400|}} | ||
| After that (and saving the file, running computation and redisplaying data again) we can see that the output is already propagating freely outside of the computation volume. | After that (and saving the file, running computation and redisplaying data again) we can see that the output is already propagating freely outside of the computation volume. | ||
start/first_simulation.txt · Last modified: 2019/01/14 07:58 by pgrolich
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