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Update 3.1 Code basics authored by Udo Ziegler's avatar Udo Ziegler
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3-NIRVANA-user-guide/3.1-Code-basics.md
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...@@ -453,7 +453,7 @@ The criterion is applied to primary (or related) physical variables ...@@ -453,7 +453,7 @@ The criterion is applied to primary (or related) physical variables
flow features right in time.* flow features right in time.*
- Jeans-length-based (important in simulations involving selfgravity): - Jeans-length-based (important in simulations involving selfgravity):
![amr_Jeans](uploads/e0114de923acbe9a073c632a65d4e46b/amr_Jeans.png) ![amr_Jeans](uploads/c87b6f1457c93669f7252c92df145aa9/amr_Jeans.png)
where the first factor is the local Jeans length with where the first factor is the local Jeans length with
*c*<sub>*s*</sub> the sound speed and *G* the gravitational *c*<sub>*s*</sub> the sound speed and *G* the gravitational
constant, and where constant, and where
...@@ -464,7 +464,7 @@ The criterion is applied to primary (or related) physical variables ...@@ -464,7 +464,7 @@ The criterion is applied to primary (or related) physical variables
- Field-length-based (potentially relevant for simulations involving a - Field-length-based (potentially relevant for simulations involving a
heatloss source but rarely used in practice): heatloss source but rarely used in practice):
![amr_Field](uploads/e4667a3b52c810a2c19cdf4015787b68/amr_Field.png) ![amr_Field](uploads/b2df7105aec8ce2e0a14c335aa2466c2/amr_Field.png)
where the first factor is the Field length with *L*(𝜚, *T*) the where the first factor is the Field length with *L*(𝜚, *T*) the
density- and temperature-dependent heatloss function and *κ* the density- and temperature-dependent heatloss function and *κ* the
thermal conduction coefficient. ℰ<sub>*F**i**e**l**d*</sub> is a thermal conduction coefficient. ℰ<sub>*F**i**e**l**d*</sub> is a
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