[Commits] [svn:einsteintoolkit] Paper_EinsteinToolkit_2010/ (Rev. 234)
gallen at cct.lsu.edu
gallen at cct.lsu.edu
Mon Nov 14 11:22:34 CST 2011
User: gallen
Date: 2011/11/14 11:22 AM
Modified:
/
ET.tex
Log:
affiliation and word changes in intro
File Changes:
Directory: /
============
File [modified]: ET.tex
Delta lines: +15 -14
===================================================================
--- ET.tex 2011-11-14 17:14:47 UTC (rev 233)
+++ ET.tex 2011-11-14 17:22:34 UTC (rev 234)
@@ -88,7 +88,7 @@
Bruno C. Mundim $^2$,
Christian D. Ott $^{5,1,6}$,
Erik Schnetter $^{7,8,1}$,
-Gabrielle Allen $^1$,
+Gabrielle Allen $^{1,9,10}$,
Manuela Campanelli $^2$
and Pablo Laguna $^4$}
@@ -103,6 +103,8 @@
ON, Canada}
\address{$^8$ Department of Physics, University of Guelph, Guelph, ON,
Canada}
+\address{$^9$ Department of Computer Science, Louisiana State University, Baton Rouge, LA, USA}
+\address{$^{10}$ National Science Foundation, USA}
\ead{knarf at cct.lsu.edu}
%\thanks{{}$^{(1)}$ Department of Computer Science,
@@ -122,10 +124,10 @@
We describe the Einstein Toolkit, a community-driven, freely accessible
computational infrastructure intended for use in numerical relativity,
relativistic astrophysics, and other applications. The Toolkit, developed by a
-collaboration involving researchers from several institutions around the world,
+collaboration involving researchers from multiple institutions around the world,
combines a core set of components needed to simulate astrophysical objects such
as black holes, compact objects, and collapsing stars, as well as a full suite
-of analysis tools. The Einstein Toolkit is based on the Cactus Framework for
+of analysis tools. The Einstein Toolkit is currently based on the Cactus Framework for
high-performance computing and the Carpet adaptive mesh refinement driver. It
implements spacetime evolution via the BSSN evolution system and
general-relativistic hydrodynamics in a finite-volume discretization. The
@@ -157,13 +159,13 @@
in the study of astrophysical systems containing black holes (BHs)
and neutron stars (NSs). The first fully general relativistic (GR)
simulations of merging NS-NS binaries were reported in 1999, with further
-advances for the next few years~\cite{Shibata:1999wm,Shibata:2002jb,
+advances over the next few years~\cite{Shibata:1999wm,Shibata:2002jb,
Shibata:2003ga,Shibata:2005ss,Shibata:2006nm}. However, systems containing BHs proved
-much more difficult to track numerically until 2005. That year, computational
-breakthroughs were made using a generalized harmonic formulation~\cite{Pretorius:2005gq} and then a ``moving puncture'' approach
+much more difficult to evolve numerically until 2005. That year, computational
+breakthroughs were made following the development of a generalized harmonic formulation~\cite{Pretorius:2005gq} and then a ``moving puncture'' approach
\cite{Campanelli:2005dd, Baker:2005vv} in the BSSN
(Baumgarte-Shapiro-Shibata-Nakamura) formalism~\cite{Shibata:1995we,Baumgarte:1998te}
-that allowed for the first stable long-term evolutions of moving single
+that lead to the first stable long-term evolutions of moving single
and multiple BH systems. These results quickly transformed the field
which was now able to effectively evolve the Einstein field equations
for coalescing BH-BH binaries and other systems containing moving
@@ -238,15 +240,14 @@
Simultaneously with the advances in both our physical understanding of
relativistic dynamics and the numerical techniques required to study them,
-a set of computational tools and libraries has been developed with the
+a set of general computational tools and libraries has been developed with the
aim of providing a computational core that can enable new science,
-broaden the community, facilitate interdisciplinary research and take
+broaden the community, facilitate collaborative and interdisciplinary research, promote software reuse and take
advantage of emerging petascale computers and advanced cyberinfrastructure:
-the Cactus computational toolkit~\cite{Cactuscode:web}. While it was
-developed in large part by computer scientists, its development was driven by
-direct input from other fields, especially numerical relativity, and has
-succeeded in applying expertise in computer science directly to problems in
-numerical relativity.
+the Cactus computational toolkit~\cite{Cactuscode:web}.
+Although the development of Cactus was driven directly from the numerical relativity community, it was developed in collaboration
+with computer scientists and other computational fields to facilitate the incorporation of innovations in computational
+theory and technology.
This success prompted usage of the {\tt Cactus} computational toolkit in other
areas, such as ocean forecast models~\cite{Djikstra2005} and chemical reaction
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