User: cott Date: 2011/08/11 07:39 AM

Modified: / ET.tex

Log: * finished EOS text

File Changes:

Directory: / ============

File [modified]: ET.tex Delta lines: +15 -8 =================================================================== --- ET.tex 2011-08-11 09:31:45 UTC (rev 103) +++ ET.tex 2011-08-11 12:39:27 UTC (rev 104) @@ -1382,8 +1382,9 @@

-\subsection{Equations of State}\pages{1 Christian} +\subsection{Equations of State} \label{sec:eoss} +%%% Written by Christian Ott

An equation of state connecting the primitive state variables is needed to close the system of GR hydrodynamics equations. The module @@ -1446,15 +1447,21 @@ collapse and bounce dynamics in stellar collapse.

\codename{EOS_Omni} also integrates the \codename{nuc_eos} driver -routine, which was first developed for the \codename{GR1D} code by -O'Connor & Ott \cite{oconnor:10}, for tabulated microphysical -finite-temperature EOS that assume nuclear statistical equilibrium -(NSE). +routine, which was first developed for the \codename{GR1D} code +\cite{oconnor:10}, for tabulated microphysical finite-temperature EOS +that assume nuclear statistical equilibrium (NSE). \codename{nuc_eos} +handles EOS tables in \codename{HDF5} format that contain entries for +thermodynamic variables $X = X(\rho,T,Y_e)$, where $T$ is the matter +temperature and $Y_e$ is the electron fraction. \codename{nuc_eos} +also supports calls for $X = X(\rho,\epsilon,Y_e)$ and carries out a +Newton iteration to find $T(\rho,\epsilon,Y_e)$. For performance +reasons, \codename{nuc_eos} employs simple tri-linear interpolation +in thermodynamic quantities and thus requires finely spaced tables to +maintain thermodynamic consistency at acceptable level. EOS tables +in the format required by \codename{nuc_eos} are freely available +from {\tt http://stellarcollapse.org%7D.

-{\color{red} continue here} - - \subsection{Analysis\pagesdone{Tanja}} \label{sec:analysis} It is often beneficial and sometimes necessary to evaluate analysis quantities