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-rw-r--r-- | doc/documentation.tex | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/documentation.tex b/doc/documentation.tex index 9be3134..67b8ce2 100644 --- a/doc/documentation.tex +++ b/doc/documentation.tex @@ -138,7 +138,8 @@ details): \item \verb|rho|: rest mass density $\varrho$ \item \verb|press|: pressure $p$ \item \verb|eps|: specific internal energy $\epsilon$ - \item \verb|vel[3]|: contravariant fluid three velocity $v^i$ defined as + \item \verb|vel[3]|: contravariant fluid three velocity $v^i$ with respect +to the Eulerian observer defined as \begin{equation} v^i = \frac{u^i}{\alpha u^0} + \frac{\beta^i}{\alpha} \end{equation} |