User: tbode Date: 2012/04/05 11:04 AM

Modified: /handson_sviz/ handson_sviz.pdf, handson_sviz.tex

Log: Fix/improve Viz slides.

File Changes:

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

File [modified]: handson_sviz.pdf Delta lines: +0 -0 =================================================================== (Binary files differ)

File [modified]: handson_sviz.tex Delta lines: +39 -27 =================================================================== --- handson_sviz/handson_sviz.tex 2012-04-05 15:55:29 UTC (rev 72) +++ handson_sviz/handson_sviz.tex 2012-04-05 16:04:30 UTC (rev 73) @@ -28,7 +28,7 @@ \item Hydro Analysis -- Perturbed TOV \begin{itemize} %\item Conserved TOV mass - \item TOV density profiles + \item TOV density profile evolutions \end{itemize} \item Spacetime Analysis \begin{itemize} @@ -43,7 +43,7 @@ \end{centering} }

-\frame{ \frametitle{Hydro Analysis: Conserved TOV Profile} +\frame{ \frametitle{Hydro Analysis: TOV Profile} \begin{block}{Task 1 -- TOV Profile} Study the density distribution and how it evolves away from the initial data. \end{block} @@ -56,56 +56,68 @@ }

\frame{ \frametitle{Hydro Analysis: Conserved TOV Profile} +{\small + Creating a Plot in VisIt: \ \begin{enumerate} - \item Open 3d data of rho in VisIt - \item Create a pseudocolor plot - \item Add a slicing operator in the xy plane - \item Add reflections - \item Take a line profile across the star - \item Create an expression to calculate deviation from the initial data \ - { \small + \item Open 3d data of rho (rho.xyz.h5 or rho.h5) in VisIt -- for multi-core runs this is rho.file_[0-9]*.h5` + \item Create a pseudocolor plot of the variable, in this case {\rm HYDROBASE--rho}. + \item Add a slicing operator in the xy plane (default options are fine) + \item Add reflections if you like. Make sure to reflect about the origin, not the symmetry points. + \item Activate the Line Tool and take a line profile across the star + \end{enumerate} +} +} + +\frame{ \frametitle{Hydro Analysis: Conserved TOV Profile} +{\small + Comparing to another database (or the initial state of the current database): \ + \begin{enumerate} + \item Enter the expression editor (Controls-->Expressions) + \item Create a scalar mesh quantity for the deviation \ + { { \rm $<$HYDROBASE--rho$>$/InitialRho } \ - where {\rm InitialRho} is another expression given by \ - {\rm conn_cmfe($<$/home/etk-user/.../hydrobase::rho.file_0.h5::HYDROBASE--rho[0]i$>$,$<$Carpet-AMR$>$)} } - \item Explore. + where {\rm InitialRho=conn_cmfe($<$/home/etk-user/.../rho.h5[0]i:HYDROBASE--rho$>$,$<$Carpet AMR-mesh$>$)}} + \item Click Apply! + \item The new expression should now be available as a plottable variable + \item Change the state on the time slider and see how it varies \end{enumerate} - } +}

\frame{ \frametitle{Black Hole Information: Mass and Area} - \vspace{-2em} + \begin{block}{Task 2 -- Black Hole Evolution} + Explore the evolution of a BH by plotting the information in this file \ + There are sample BH Horizon files in {\tt extra_datafiles/BH*.gp} + \end{block} + \vspace{1em} \begin{itemize} \item \thorn{AHFinderDirect} creates file \dfile{BH_diagnostics.ah[0-9]*.gp} \item Header of file denotes the 42 pieces of information in the file. -% \item {\color{blue} \emph{ Task 1:} Explore the evolution of the BH by plotting the information in this file} + \item Using gnuplot, explore how the BH horizons evolve (mass, area, location, shape, ...) \end{itemize} - \begin{block}{Task 2 -- Black Hole Evolution} - Explore the evolution of a BH by plotting the information in this file \ - (Do we have a new parameter file? See extra data files) - \end{block} }

\frame{ \frametitle{Spacetime Analysis: Gravitational Waves} - \vspace{-2em} + \begin{block}{Task 3 -- Gravitational Waves} + Explore the mode content of the gravitational waves. + \end{block} + \vspace{1em} \begin{itemize} \item Standard GW extraction by calculating the Weyl scalar $\Psi_4$ and decomposing its projection on a spherical detection surface. \item \thorn{WeylScal4} stores $\Psi_4$ as gridfunction. \item \thorn{Multipole} decomposes $\Psi_4(\theta,\phi)$ of a detector surface on a basis of spin-weighted spherical harmonics ${}_{-2}Y^{lm}$ \item Multipole stores its output in \dfile{mp_*} as the coefficients to the expansion on the basis \end{itemize} - \begin{block}{Task 3 -- Gravitational Waves} - Explore the mode content of the gravitational waves. - \end{block} }

\frame{ \frametitle{Extras: Convergence} - \vspace{-2em} + \begin{block}{Extra -- Convergence} + Modify the resolution of one parameter file. Run just a few (~10) steps for each resolution. Calculate the convergence rate of a constraint $f(x)=0$. + \end{block} + \vspace{1em} \begin{itemize} \item Constraints (Hamiltonian, Momentum) should converge \end{itemize} - \begin{block}{Extra -- Convergence} - Modify the resolution of one parameter file. Run just a few (~10) steps for each resolution. Calculate the convergence rate of a constraint $f(x)=0$. - \end{block} }

\frame{ %\frametitle{Hands-On 0d/1d All Tasks}