... | ... | @@ -454,11 +454,7 @@ criteria which are |
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flow features right in time.*
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- Jeans-length-based (important in simulations involving selfgravity):
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$$\\left(\\frac{\\pi}{G}\\frac{c\_s^2}{\\varrho}\\right)^{1/2}
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\\cdot \\mathcal{E}\_\\mathrm{Jeans}\\left\\{\\begin{array}{ll}
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<\\delta\\,\\!s & \\mbox{refinement}\\\\
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>1.25\\delta\\,\\!s & \\mbox{derefinement}\\\\
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\\end{array}\\right.$$
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![amr_Jeans](uploads/6f5d6baa55c30a2a3ce4c5a11cca7cb3/amr_Jeans.png)
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where the first factor is the local Jeans length with
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*c*<sub>*s*</sub> the sound speed and *G* the gravitational
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constant, and where
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