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[config.pdf](https://disc.pages.oca.eu/fargOCA/public/examples/2D_cavity/config.pdf) |
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\ No newline at end of file |
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[Config file](https://disc.pages.oca.eu/fargOCA/public/examples/2D_cavity/config.pdf)
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The aim of this example is to show how to configure a disk with an inner cavity.
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To run this test from the build dir:
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```
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ctest -R big_2D_cavity4
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```
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The output files of the test are in:
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```
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<build>/examples/2D_cavity/out4
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```
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Points specific to the test:
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1. The parameters of the cavity:
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```
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Density
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{
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Slope 0.0
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Minimum 1.e-20
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Start 0.000676064
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Cavity
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{
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Radius 1.57
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Ratio 0.12
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Width 0.12
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}
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}
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```
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The initial density profile is modeled as:
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$\Sigma(r) = \frac {1} {2}\Sigma_0 (r_c/r) \times (1+\tanh(\frac {r-r_c} {\sigma_c}))$
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