... | ... | @@ -5,7 +5,7 @@ $`z= r\cos(\varphi)`$. |
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In the classical Minimum Mass Solar Nebula model the surface density distribution is a power law with slope 3/2.
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We generalize this model by considering:
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$`\Sigma(r) = \Sigma_0(r/R0)^{-\alpha}`$
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with $`\Sigma_0`$ the surface density at $r/R0=1$ and $`\alpha`$ the
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with $`\Sigma_0`$ the surface density at $`r/R0=1`$ and $`\alpha`$ the
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slope of the power law.
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$`\Sigma_0`$ in code unit is the parameter ```Start``` in the configuration file and
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$`\alpha`$ is ```Slope```. They are provided in the ```Density``` block as follows:
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... | ... | @@ -40,6 +40,7 @@ as for the density, we consider the disk azimuthally symmetric. |
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The equation for the angular momentum ($`J=\Sigma \omega r^2`$) conservation reads:
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$` {\partial \over \partial t}(\Sigma \omega r^2)+{1\over r}{\partial \over \partial r}(r \Sigma \omega r^2 v_r) = {1\over {2\pi r}{\partial \tau \over \partial r}`$
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## Azimuthal Velocity
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