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Reduce time in beam-beam CI test - follow up (ECP-WarpX#5263)
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* fixed longitudinal resolution, updated image with new test

* removed white line
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aeriforme authored Sep 13, 2024
1 parent 396cc5a commit 0ab57d3
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4 changes: 2 additions & 2 deletions Examples/Physics_applications/beam_beam_collision/README.rst
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Expand Up @@ -39,7 +39,7 @@ We compare different results:
* (blue) large-scale WarpX simulation (high resolution and ad hoc generated tables ;
* (black) literature results from :cite:t:`ex-Yakimenko2019`.

The small-scale simulation has been performed with a resolution of ``nx = 64, ny = 64, nz = 128`` grid cells, while the large-scale one has a much higher resolution of ``nx = 512, ny = 512, nz = 1024``. Moreover, the large-scale simulation uses dedicated QED lookup tables instead of the builtin tables. To generate the tables within WarpX, the code must be compiled with the flag ``-DWarpX_QED_TABLE_GEN=ON``. For the large-scale simulation we have used the following options:
The small-scale simulation has been performed with a resolution of ``nx = 64, ny = 64, nz = 64`` grid cells, while the large-scale one has a much higher resolution of ``nx = 512, ny = 512, nz = 1024``. Moreover, the large-scale simulation uses dedicated QED lookup tables instead of the builtin tables. To generate the tables within WarpX, the code must be compiled with the flag ``-DWarpX_QED_TABLE_GEN=ON``. For the large-scale simulation we have used the following options:

.. code-block:: ini
Expand All @@ -63,7 +63,7 @@ The small-scale simulation has been performed with a resolution of ``nx = 64, ny
qed_bw.tab_pair_frac_how_many=512
qed_bw.save_table_in=my_bw_table.txt
.. figure:: https://user-images.githubusercontent.com/17280419/291749626-aa61fff2-e6d2-45a3-80ee-84b2851ea0bf.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.I96LQpjqmFXirPDVnBlFQIkCuenR6IuOSY0OIIQvtCo
.. figure:: https://gist.github.com/user-attachments/assets/2dd43782-d039-4faa-9d27-e3cf8fb17352
:alt: Beam-beam collision benchmark against :cite:t:`ex-Yakimenko2019`.
:width: 100%

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Expand Up @@ -29,7 +29,6 @@ my_constants.nx = 64
my_constants.ny = 64
my_constants.nz = 64


# TIME
my_constants.T = 0.7*Lz/clight
my_constants.dt = sigmaz/clight/10.
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