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version 4.2 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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......@@ -377,9 +377,9 @@ general, is true in Cartesian geometry.
| cell-centroid y | `yc[iy]` | 2*Δ*<sub>`iy`</sub>*R*<sup>3</sup>/(3*Δ*<sub>`iy`</sub>*R*<sup>2</sup>) | *Δ*<sub>`iy`</sub>(*θ*cos *θ* − sin *θ*)/*Δ*<sub>`iy`</sub>cos *θ* |
| cell-centroid z | `zc[iz]` | *ϕ*<sub>`iz`+1/2</sub> | *ϕ*<sub>`iz`+1/2</sub> |
| *xy*/*xz*-face-centroid x | `xf[ix]` | *z*<sub>`ix`+1/2</sub> | 2*Δ*<sub>`ix`</sub>*r*<sup>3</sup>/(3*Δ*<sub>`ix`</sub>*r*<sup>2</sup>) |
| *yz*-face-centroid x | `x[ix]` | *z*<sub>`ix`+1/2</sub> | *r*<sub>`ix`+1/2</sub>) |
| *yz*-face-centroid x | `x[ix]` | *z*<sub>`ix`+1/2</sub> | *r*<sub>`ix`+1/2</sub> |
| *xy*/*yz*-face-centroid y | `yc[iy]` | 2*Δ*<sub>`iy`</sub>*R*<sup>3</sup>/(3*Δ*<sub>`iy`</sub>*R*<sup>2</sup>) | *Δ*<sub>`iy`</sub>( *θ*cos *θ* − sin *θ*)/*Δ*<sub>`iy`</sub>cos *θ* |
| *xz*-face-centroid y | `y[iy]` | *R*<sub>`iy`</sub> | *θ*<sub>`iy`</sub>) |
| *xz*-face-centroid y | `y[iy]` | *R*<sub>`iy`</sub> | *θ*<sub>`iy`</sub> |
| *xy*-face-centroid z | `z[iz]` | *ϕ*<sub>`iz`</sub> | *ϕ*<sub>`iz`</sub> |
| *xz*/*yz*-face-centroid z | `zc[iz]` | *ϕ*<sub>`iz`+1/2</sub> | *ϕ*<sub>`iz`+1/2</sub> |
......