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Update 3.1 Code basics
authored
Jan 08, 2021
by
Udo Ziegler
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@@ -453,7 +453,7 @@ The criterion is applied to primary (or related) physical variables
flow features right in time.*
-
Jeans-length-based (important in simulations involving selfgravity)


where the first factor is the local Jeans length with
*c*
<sub>
*s*
</sub>
the sound speed and
*G*
the gravitational
constant, and where
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@@ -463,8 +463,8 @@ The criterion is applied to primary (or related) physical variables
Jeans length should be resolved.
-
Field-length-based (potentially relevant for simulations involving a
heatloss source but rarely used in practice):

heatloss source but rarely used in practice):

where the first factor is the Field length with
*L*
(𝜚,
*T*
) the
density- and temperature-dependent heatloss function and
*κ*
the
thermal conduction coefficient. ℰ
<sub>
*F**i**e**l**d*
</sub>
is a
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