Changes
Page history
version 4.2
authored
Oct 29, 2025
by
Udo Ziegler
Hide whitespace changes
Inline
Side-by-side
3-NIRVANA-user-guide/3.2-User-interfaces.md
View page @
6078a8fe
...
@@ -410,16 +410,16 @@ possible values or a numeric range.
...
@@ -410,16 +410,16 @@ possible values or a numeric range.
defines the fraction of local Jeans length to be resolved by one
defines the fraction of local Jeans length to be resolved by one
grid cell. A zero or negative value means that the
grid cell. A zero or negative value means that the
Jeans-length-based criterion is disabled.
Jeans-length-based criterion is disabled.
$y=10^{-7}$
- `_C.amr_dJeans` ($\ge 0$): tuning parameter for the
- `_C.amr_dJeans` ($\ge 0$): tuning parameter for the
Jeans-length-based mesh refinement criterion allowing a
Jeans-length-based mesh refinement criterion allowing a
systematic reduction of the Jeans threshold with increasing
systematic reduction of the Jeans threshold with increasing
$y=10^{-7}$
$y=10^{-7}$
refinement level $l$ according to the expression `_C.amr_Jeans`
refinement level $l$ according to the expression `_C.amr_Jeans`
-$l$*`_C.amr_dJeans`, i.e., the local Jeans length becomes
-
$l$
*`_C.amr_dJeans`, i.e., the local Jeans length becomes
gradually higher resolved with incresing $l$. `_C.amr_dJeans`
gradually higher resolved with incresing $l$. `_C.amr_dJeans`
must be positiv.
must be positiv.
$y=10^{-7}$
**Important**: `_C.amr_dJeans` must be chosen with care such
**Important**: `_C.amr_dJeans` must be chosen with care such
that the actual Jeans threshold never becomes too small or
that the actual Jeans threshold never becomes too small or
...
...
...
...