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version 4.2
authored
Sep 26, 2025
by
Udo Ziegler
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@@ -380,14 +380,35 @@ following physical variables:
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@@ -380,14 +380,35 @@ following physical variables:
`et[iz][iy][ix]`
thermal energy density $
\e
psilon$ (if dual energy mode)
`et[iz][iy][ix]`
thermal energy density $
\e
psilon$ (if dual energy mode)
`ne[iz][iy][ix]`
electron number density $n_e$
`ne[iz][iy][ix]`
electron number density $n_e$
index meaning range
|
`g->`
| variable |
-------:-----------------------------------:------------------------
|:----------------------|:-----------------------------------------------------------------------------------------|
`ix`
superblock-index in $x$-direction 0
\.
..
`g->nx`
|
`rho[iz][iy][ix]`
| mass density 𝜚 |
`iy`
superblock-index in $y$-direction 0
\.
..
`g->ny`
|
`mx[iz][iy][ix]`
|
*x*
-momentum density
*m*
<sub>
*x*
</sub>
|
`iz`
superblock-index in $z$-direction 0
\.
..
`g->nz`
|
`my[iz][iy][ix]`
|
*y*
-momentum density
*m*
<sub>
*y*
</sub>
|
`is`
species counter 0
\.
..
`_C.species`
-1
|
`mz[iz][iy][ix]`
| (canonical)
*z*
-momentum density
*m*
<sub>
*z*
</sub>
|
`ic`
tracers counter 0
\.
..
`_C.tracer`
-1
|
`e[iz][iy][ix]`
| total energy density
*e*
(if energy equation) |
`it`
testfield fluctuations counter 0
\.
..
`_C.testfields`
-1
|
`bx[iz][iy][ix]`
| magnetic field component
*B*
<sub>
*x*
</sub>
(if MHD) |
|
`by[iz][iy][ix]`
| magnetic field component
*B*
<sub>
*y*
</sub>
(if MHD) |
|
`bz[iz][iy][ix]`
| magnetic field component
*B*
<sub>
*z*
</sub>
(if MHD) |
|
`phi[iz][iy][ix]`
| gravitational potential
*Φ*
(if selfgravity) |
|
`nX[is][iz][iy][ix]`
| species number densities
*n*
<sub>
*s*
</sub>
(if species) |
|
`C[ic][iz][iy][ix]`
| tracer variables
*C*
<sub>
*c*
</sub>
(if tracer) |
|
`tfx[it][iz][iy][ix]`
|
*x*
-component
*b*
<sub>
*x*
</sub><sub>
*t*
</sub>
of testfields fluctuations (if testfields) |
|
`tfy[it][iz][iy][ix]`
|
*y*
-component
*b*
<sub>
*y*
</sub><sub>
*t*
</sub>
of testfields fluctuations (if testfields) |
|
`tfz[it][iz][iy][ix]`
|
*z*
-component
*b*
<sub>
*z*
</sub><sub>
*t*
</sub>
of testfields fluctuations (if testfields) |
|
`p[iz][iy][ix]`
| thermal pressure
*p*
|
|
`T[iz][iy][ix]`
| temperature
*T*
|
|
`et[iz][iy][ix]`
| thermal energy density $
\v
arepsilon$ (if dual energy mode) |
|
`ne[iz][iy][ix]`
| electron number density $n_e$ |
| index | meaning | range |
|:------|:-----------------------------------------|:----------------------|
|
`ix`
| grid-index in $x$-direction | 0...
`g->nx`
|
|
`iy`
| grid-index in $y$-direction | 0...
`g->ny`
|
|
`iz`
| grid-index in $z$-direction | 0...
`g->nz`
|
|
`is`
| species counter | 0...
`_C.species`
-1 |
|
`ic`
| tracers counter | 0...
`_C.tracer`
-1 |
|
`it`
| testfields fluctuation variables counter | 0...
`_C.testfields`
-1 |
`_C.species`
,
`_C.tracer`
and
`_C.testfields`
are NIRVANA parameters
`_C.species`
,
`_C.tracer`
and
`_C.testfields`
are NIRVANA parameters
(cf.
[
NIRVANA: Specification of main
(cf.
[
NIRVANA: Specification of main
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