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[svn:einsteintoolkit] www/about/gallery/gw150914/ (Rev. 1549)
by barry.wardell＠gmail.com 05 Jun '16

05 Jun '16

User: barry.wardell Date: 2016/06/05 05:09 PM Modified: /about/gallery/gw150914/ index.php Log: gw150914: Don't show related content after youtube videos end File Changes: Directory: /about/gallery/gw150914/ =================================== File [modified]: index.php Delta lines: +2 -2 =================================================================== --- about/gallery/gw150914/index.php 2016-06-05 22:09:04 UTC (rev 1548) +++ about/gallery/gw150914/index.php 2016-06-05 22:09:08 UTC (rev 1549) @@ -94,8 +94,8 @@ <h4>Gravitational waves</h4> <a href="Strain.png"><img src="Strain.png" alt="h_+ at t=700M" width="400" height="300"/></a> -<iframe width="560" height="315" src="https://www.youtube.com/embed/pabnzdDaf8A" frameborder="0" allowfullscreen></iframe> -<iframe width="560" height="315" src="https://www.youtube.com/embed/GW7fQiG7caU" frameborder="0" allowfullscreen></iframe> +<iframe width="560" height="315" src="https://www.youtube.com/embed/pabnzdDaf8A?rel=0" frameborder="0" allowfullscreen></iframe> +<iframe width="560" height="315" src="https://www.youtube.com/embed/GW7fQiG7caU?rel=0" frameborder="0" allowfullscreen></iframe> <h4>Gravitational waveform</h4> <a href="waveform.png"><img src="waveform.png" alt="h_+^{2,2} at r=500M as a function of retarded time" width="542" height="191"/></a>

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[svn:einsteintoolkit] www/about/gallery/gw150914/ (Rev. 1548)
by barry.wardell＠gmail.com 05 Jun '16

05 Jun '16

User: barry.wardell Date: 2016/06/05 05:09 PM Modified: /about/gallery/gw150914/ index.php Log: gw150914: Correct typo File Changes: Directory: /about/gallery/gw150914/ =================================== File [modified]: index.php Delta lines: +1 -1 =================================================================== --- about/gallery/gw150914/index.php 2016-06-05 22:08:58 UTC (rev 1547) +++ about/gallery/gw150914/index.php 2016-06-05 22:09:04 UTC (rev 1548) @@ -27,7 +27,7 @@ that may be used for the analysis of LIGO signals.</p> <p>A subset of the simulation data — including everything required to follow the VisIt and -SimulationTools tutorials without having to run the simulation — is available for downloaded +SimulationTools tutorials without having to run the simulation — is available for download below. The full simulation output additionally includes multiple resolutions and considerable 2D and 3D output, and totals several terabytes in size; as such it will be made available for download once a suitable distribution method has been found.</p>

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[svn:einsteintoolkit] www/about/gallery/gw150914/ (Rev. 1547)
by barry.wardell＠gmail.com 05 Jun '16

05 Jun '16

User: barry.wardell Date: 2016/06/05 05:08 PM Modified: /about/gallery/gw150914/ index.php Log: GW150914 gallery: Add a couple of movies File Changes: Directory: /about/gallery/gw150914/ =================================== File [modified]: index.php Delta lines: +2 -0 =================================================================== --- about/gallery/gw150914/index.php 2016-06-05 22:07:25 UTC (rev 1546) +++ about/gallery/gw150914/index.php 2016-06-05 22:08:58 UTC (rev 1547) @@ -94,6 +94,8 @@ <h4>Gravitational waves</h4> <a href="Strain.png"><img src="Strain.png" alt="h_+ at t=700M" width="400" height="300"/></a> +<iframe width="560" height="315" src="https://www.youtube.com/embed/pabnzdDaf8A" frameborder="0" allowfullscreen></iframe> +<iframe width="560" height="315" src="https://www.youtube.com/embed/GW7fQiG7caU" frameborder="0" allowfullscreen></iframe> <h4>Gravitational waveform</h4> <a href="waveform.png"><img src="waveform.png" alt="h_+^{2,2} at r=500M as a function of retarded time" width="542" height="191"/></a>

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[svn:einsteintoolkit] www/about/gallery/gw150914/ (Rev. 1546)
by barry.wardell＠gmail.com 05 Jun '16

05 Jun '16

User: barry.wardell Date: 2016/06/05 05:07 PM Modified: /about/gallery/gw150914/ index.php Log: GW150914 gallery: Tidy up structure and layout File Changes: Directory: /about/gallery/gw150914/ =================================== File [modified]: index.php Delta lines: +27 -44 =================================================================== --- about/gallery/gw150914/index.php 2016-06-05 22:07:20 UTC (rev 1545) +++ about/gallery/gw150914/index.php 2016-06-05 22:07:25 UTC (rev 1546) @@ -32,6 +32,7 @@ and 3D output, and totals several terabytes in size; as such it will be made available for download once a suitable distribution method has been found.</p> +<h3>Simulation details</h3> <div style="display:inline-block; margin-right: 20px"> <h4>Physical parameters</h4> <table> @@ -62,48 +63,9 @@ <tr><th>Cost</th><td><?php echo $sim_stats['CostInCoreHours']?> core hours</td></tr> </table> - <ul class="gallerytable"> - <li class="gallerytable"> - <div class="gallerytable"> - <h4 class="gallerytable">Horizons</h4> - <a href="horizons.png"><img src="horizons.png" alt="BH horizons"/></a> - </div> - </li> - - <li class="gallerytable"> - <div class="gallerytable"> - <h4 class="gallerytable">Horizon coordinate trajectories</h4> - <a href="trajectories.png"><img src="trajectories.png" alt="BH trajectories" width="242" height="237"/></a> - </div> - </li> - <li class="gallerytable"> - <div class="gallerytable"> - <h4 class="gallerytable">Curvature scalars</h4> - <div style="display:block;"> - <a href="ReI.png"><img src="ReI.png" alt="R_{abcd} R^{abcd}" width="357" height="300"/></a> - <a href="ImI.png"><img src="ImI.png" alt="R^*_{abcd} R^{abcd}" width="342" height="300"/></a> - <a href="RePsi4.png"><img src="RePsi4.png" alt="Re(Psi_4)" width="299" height="300"/></a> - </div> - </div> - </li> - - <li class="gallerytable"> - <div class="gallerytable"> - <h4 class="gallerytable">Gravitational waves</h4> - <a href="Strain.png"><img src="Strain.png" alt="h_+ at t=700M" width="400" height="300"/></a> - </div> - </li> - - <li class="gallerytable"> - <div class="gallerytable"> - <h4 class="gallerytable">Gravitational waveform</h4> - <a href="waveform.png"><img src="waveform.png" alt="h_+^{2,2} at r=500M as a function of retarded time" width="542" height="191"/></a> - </div> - </li> - </ul> - - <h4>Tutorials</h4> +<h3>Tutorials and data</h3> +<h4>Tutorials</h4> <ul> <li><a href="https://bitbucket.org/barrywardell/gw150914sim/wiki/Simulation%20tutorial">Compile and run</a>: Compile the code and run the simulation</li> @@ -111,8 +73,29 @@ <li><a href="https://bitbucket.org/barrywardell/gw150914sim/wiki/Visualising%20the%20spa…">Visualisation</a>: Visualise the data using VisIt</li> </ul> - +<h4>Simulation data</h3> +<ul> + <li><a href="GW150914_32.tar.gz">Lightweight simulation data</a> (500MB)</li> + <li>Full simulation data (available on request)</li> +</ul> +<h3>Images and movies</h3> + +<h4>Horizons</h4> +<a href="horizons.png"><img src="horizons.png" alt="BH horizons"/></a> + +<h4>Horizon coordinate trajectories</h4> +<a href="trajectories.png"><img src="trajectories.png" alt="BH trajectories" width="242" height="237"/></a> + +<h4>Curvature scalars</h4> +<a href="ReI.png"><img src="ReI.png" alt="R_{abcd} R^{abcd}" width="357" height="300"/></a> +<a href="ImI.png"><img src="ImI.png" alt="R^*_{abcd} R^{abcd}" width="342" height="300"/></a> +<a href="RePsi4.png"><img src="RePsi4.png" alt="Re(Psi_4)" width="299" height="300"/></a> + +<h4>Gravitational waves</h4> +<a href="Strain.png"><img src="Strain.png" alt="h_+ at t=700M" width="400" height="300"/></a> + +<h4>Gravitational waveform</h4> +<a href="waveform.png"><img src="waveform.png" alt="h_+^{2,2} at r=500M as a function of retarded time" width="542" height="191"/></a> + <?php include_once($_SERVER['DOCUMENT_ROOT'].'/global/footer.php');?>

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[svn:einsteintoolkit] www/about/gallery/gw150914/ (Rev. 1545)
by barry.wardell＠gmail.com 05 Jun '16

05 Jun '16

User: barry.wardell Date: 2016/06/05 05:07 PM Added: /about/gallery/gw150914/ Curvature.m, Strain.m Log: GW150914 gallery: Add scripts for generating images with SimulationTools File Changes: Directory: /about/gallery/gw150914/ =================================== File [added]: Curvature.m Delta lines: +71 -0 =================================================================== --- about/gallery/gw150914/Curvature.m (rev 0) +++ about/gallery/gw150914/Curvature.m 2016-06-05 22:07:20 UTC (rev 1545) @@ -0,0 +1,71 @@ +<<SimulationTools` + + +simDirs = ReplaceList[$ScriptCommandLine, + {___, "--simulations-directory", val_, ___} :> val]; + +$SimulationPath = Join[simDirs, $SimulationPath]; + +outDir = Directory[]; + +sim="GW150914_32"; + + +coords1min=ReadAHColumns[sim,1,{15,17,19}]; +coords2min=ReadAHColumns[sim,2,{15,17,19}]; +coords1max=ReadAHColumns[sim,1,{16,18,20}]; +coords2max=ReadAHColumns[sim,2,{16,18,20}]; +{coords1mini,coords2mini,coords1maxi,coords2maxi}=Interpolation/@{coords1min,coords2min,coords1max,coords2max}; +horizons[t_]:=Show[Graphics3D[{Black,Opacity[1.0],Specularity[0.7],Ellipsoid[(coords1mini[t]+coords1maxi[t])/2,(coords1maxi[t]-coords1mini[t])/2]}],Graphics3D[{Black,Opacity[1.0],Specularity[0.7],Ellipsoid[(coords2mini[t]+coords2maxi[t])/2,(coords2maxi[t]-coords2mini[t])/2]}]] + + +(* This function takes a DataRegion on the upper half plane (z\[GreaterEqual]0) and reproduces the data on the full domain assuming the quantity is reflection symmetric about the plane z=0 *) +UpperHalfToFull[d_DataRegion, parity_:1]:= +Module[{dx,dy,dz,xrange,yrange,zrange,fulldata}, +{dx,dy,dz}=CoordinateSpacings[d]; +{xrange,yrange,zrange}=CoordinateRanges[d]; +fulldata=Join[ +parity Map[Reverse,ToListOfData[Slab[d,All,All,0;;]],{2}], +ToListOfData[Slab[d,All,All,(0+dz);;]], +3]; +ToDataRegion[fulldata,{xrange[[1]],yrange[[1]],-zrange[[2]]},{dx,dy,dz},"VariableName"->VariableName[d]] +]; + + +Re\[Psi]4=ReadGridFunction[sim,"Psi4r","xyz","RefinementLevel"->3,"Map"->0,Iteration->0]; + + +Re\[Psi]4full=UpperHalfToFull[Re\[Psi]4]; + + +its=ReadIterations[sim,"curvIr","xyz",RefinementLevel->3,Map->0]; + + +Re\[ScriptCapitalI]=ReadGridFunction[sim,"curvIr","xyz","RefinementLevel"->3,"Map"->0,"Iteration"->0]; +Im\[ScriptCapitalI]=ReadGridFunction[sim,"curvIi","xyz","RefinementLevel"->3,"Map"->0,"Iteration"->0]; +Re\[ScriptCapitalJ]=ReadGridFunction[sim,"curvJr","xyz","RefinementLevel"->3,"Map"->0,"Iteration"->0]; +Im\[ScriptCapitalJ]=ReadGridFunction[sim,"curvJi","xyz","RefinementLevel"->3,"Map"->0,"Iteration"->0]; + + +Re\[ScriptCapitalI]full=UpperHalfToFull[Re\[ScriptCapitalI]]; +Im\[ScriptCapitalI]full=UpperHalfToFull[Im\[ScriptCapitalI],-1]; +Re\[ScriptCapitalJ]full=UpperHalfToFull[Re\[ScriptCapitalJ]]; +Im\[ScriptCapitalJ]full=UpperHalfToFull[Im\[ScriptCapitalJ],-1]; + + +Psi4Plot=Show[ListContourPlot3D[Re\[Psi]4full,Contours->{-0.01,-0.006,-0.003,-0.001,-0.0005,0.0005,0.001,0.003,0.006,0.01},ContourStyle->Opacity[0.3],Background->Black,Mesh->None,ColorFunction->Function[{x,y,z,f},If[f>0,ColorData[{"DeepSeaColors","Reverse"}][200f],ColorData[{"SolarColors","Reverse"}][-200f]]],ColorFunctionScaling->False,BoxRatios->Automatic],horizons[0],Boxed->False,Axes->False]; + + +Export[FileNameJoin[{outDir,"RePsi4.png"}],Psi4Plot,ImageSize->{Automatic,2160}] + + +ReIPlot=Show[ListContourPlot3D[Re\[ScriptCapitalI]full,Contours->10^{-1,-2,-3,-4,-5},ContourStyle->Opacity[0.3],Background->Black,Mesh->None,BoxRatios->Automatic,ColorFunction->ColorData[{"DeepSeaColors","Reverse"}]],horizons[0],Boxed->False,Axes->False]; + + +Export[FileNameJoin[{outDir,"ReI.png"}],ReIPlot,ImageSize->{Automatic,2160}] + + +ImIPlot=Show[ListContourPlot3D[Im\[ScriptCapitalI]full,Contours->Join[-10^{-1,-2,-3,-4,-5,-5.5},10^{-1,-2,-3,-4,-5,-5.5}],ContourStyle->Opacity[0.3],Background->Black,Mesh->None,BoxRatios->Automatic,ColorFunction->Function[{x,y,z,f},If[f>0,ColorData[{"DeepSeaColors","Reverse"}][30000f],ColorData[{"SolarColors","Reverse"}][-30000f]]],ColorFunctionScaling->False],horizons[0],Boxed->False,Axes->False]; + + +Export[FileNameJoin[{outDir,"ImI.png"}],ImIPlot,ImageSize->{Automatic,2160}] File [added]: Strain.m Delta lines: +69 -0 =================================================================== --- about/gallery/gw150914/Strain.m (rev 0) +++ about/gallery/gw150914/Strain.m 2016-06-05 22:07:20 UTC (rev 1545) @@ -0,0 +1,69 @@ +<<SimulationTools` + + +simDirs = ReplaceList[$ScriptCommandLine, + {___, "--simulations-directory", val_, ___} :> val]; + +$SimulationPath = Join[simDirs, $SimulationPath]; + +outDir = Directory[]; + + +sim="GW150914_32"; + + +MADM=ReadADMMass[sim]; + + +coords1min=ReadAHColumns[sim,1,{15,17,19}]; +coords2min=ReadAHColumns[sim,2,{15,17,19}]; +coords1max=ReadAHColumns[sim,1,{16,18,20}]; +coords2max=ReadAHColumns[sim,2,{16,18,20}]; +{coords1mini,coords2mini,coords1maxi,coords2maxi}=Interpolation/@{coords1min,coords2min,coords1max,coords2max}; +horizons[t_]:=Show[Graphics3D[{Black,Opacity[1.0],Specularity[0.7],Ellipsoid[(coords1mini[t]+coords1maxi[t])/2,(coords1maxi[t]-coords1mini[t])/2]}],Graphics3D[{Black,Opacity[1.0],Specularity[0.7],Ellipsoid[(coords2mini[t]+coords2maxi[t])/2,(coords2maxi[t]-coords2mini[t])/2]}]] + + +r0=500; + + +Do[\[Psi]4[l,m]=ReadPsi4[sim,l,m,r0],{l,2,8},{m,-l,l}]; +Do[r\[Psi]4[l,m]=Shifted[r0 \[Psi]4[l,m],-RadialToTortoise[r0,MADM]],{l,2,8},{m,-l,l}]; + + +tMerger=LocateMaximumPoint[Abs[r\[Psi]4[2,2]]]; + + +modes=Sort[Flatten[Table[{l,m,Interpolation[Abs[r\[Psi]4[l,m]],tMerger]},{l,2,8},{m,-l,l}],1],#1[[3]]>#2[[3]]&]; + + +strongestmodes=modes[[1;;8,1;;2]]; + + +\[Omega]0=0.025; + + +Do[rh[l,m]=Psi4ToStrain[r\[Psi]4[l,m],\[Omega]0],{l,2,8},{m,-l,l}] + + +Table[rhinterp[l,m]=Interpolation[PadRight[Slab[rh[l,m],MinCoordinate[rh[l,m]];;1050],4000]],{l,2,8},{m,-l,l}]; + + +SpinWeightedSphericalHarmonic[s_,l_,m_,\[Theta]_,\[Phi]_]:=Sqrt[(2 l+1)/(4\[Pi]) ((l+m)!(l-m)!)/((l+s)!(l-s)!)] E^(I m \[Phi]) Sin[\[Theta]/2]^(2 l) \!$ +\*UnderoverscriptBox[\(\[Sum]$, $r = Max[m - s, 0]$, $Min[l - s, l + m]$]$Binomial[l - s, r]\ Binomial[l + s, r + s - m]\ +\*SuperscriptBox[\((\(-1$)\), $l - r - s$]\ \ +\*SuperscriptBox[$Cot[\[Theta]/2]$, $2\ r + s - m$]\)\); + + +rhr\[Theta]\[Phi][r_,\[Theta]_,\[Phi]_]:=With[{t=700},Re[Sum[If[MemberQ[strongestmodes,{l,m}],rhinterp[l,m][t-TortoiseToRadial[r,MADM]]SpinWeightedSphericalHarmonic[-2,l,m,\[Theta],\[Phi]],0],{l,2,8},{m,-l,l}]]]; + + +strainPlot=With[{x0=1.15 0.06,x1=1.15 0.0825,x2=1.2 0.0525,x3=1.2 0.0825}, +DensityPlot3D[ +Evaluate[With[{r=Sqrt[x^2+y^2+z^2],\[Theta]=ArcCos[z/Sqrt[x^2+y^2+z^2]],\[Phi]=ArcTan[x,y]},rhr\[Theta]\[Phi][r,\[Theta],\[Phi]]]], +{x,-200,200},{y,-200,200},{z,-200,200},ColorFunctionScaling->False,ColorFunction->Function[{f},If[f>0,ColorData[{"DeepSeaColors","Reverse"}][(f-x0)/(x1-x0)],ColorData[{"SolarColors","Reverse"}][(-f-x0)/(x1-x0)]]],OpacityFunctionScaling->False,OpacityFunction-> Function[{f},Max[Min[(Abs[f]-x2)/(x3-x2),1.0],0]],Background->Black,Boxed->False,Axes->False,ViewPoint->Front,ViewAngle->31 Degree,PlotPoints->200,PlotRange->200{{-1,1},{-1,1},{-1,1}}]]; + + +strainHorizonPlot=Show[strainPlot,horizons[745],ViewAngle->28Degree,ImageSize->{400,300}]; + + +Export[FileNameJoin[{outDir,"StrainHorizon.png"}],strainHorizonPlot,ImageSize->{400,300}2160/300]

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[svn:einsteintoolkit] www/about/gallery/gw150914/ (Rev. 1544)
by barry.wardell＠gmail.com 05 Jun '16

05 Jun '16

User: barry.wardell Date: 2016/06/05 05:07 PM Modified: /about/gallery/gw150914/ index.php Log: GW150914 gallery: Clairfy which ET release thornlist was used File Changes: Directory: /about/gallery/gw150914/ =================================== File [modified]: index.php Delta lines: +1 -1 =================================================================== --- about/gallery/gw150914/index.php 2016-06-05 22:07:10 UTC (rev 1543) +++ about/gallery/gw150914/index.php 2016-06-05 22:07:15 UTC (rev 1544) @@ -55,7 +55,7 @@ <h4>Computational details</h4> <table> <tr><th>Parameter file</th><td><a href="GW150914.rpar">GW150914.rpar</a></td></tr> - <tr><th>Thornlist</th><td><a href="GW150914.th">GW150914.th</a> (Llama multi-block code added to ET release version)</td></tr> + <tr><th>Thornlist</th><td><a href="GW150914.th">GW150914.th</a> (Llama multi-block code added to ET_2015_11 release version)</td></tr> <tr><th>Submission command</th><td>simfactory/bin/sim create-submit GW150914_28 --define N 28 --parfile repos/GW150914/ParameterFiles/GW150914.rpar --procs 128 --walltime 24:00:00</td></tr> <tr><th>Total memory</th><td><?php echo $sim_stats['TotalMemory']?> GB</td></tr> <tr><th>Run time</th><td><?php echo $sim_stats['Runtime']?> days on <?php echo $sim_stats['Cores']?> cores (Intel(R) Xeon(R) CPU E5-2630 v3 @ 2.40GHz)</td></tr>

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[svn:einsteintoolkit] www/about/gallery/gw150914/ (Rev. 1543)
by barry.wardell＠gmail.com 05 Jun '16

05 Jun '16

User: barry.wardell Date: 2016/06/05 05:07 PM Modified: /about/gallery/gw150914/ index.php Log: GW159014 gallery: Improve appearance of physical parameters table File Changes: Directory: /about/gallery/gw150914/ =================================== File [modified]: index.php Delta lines: +3 -3 =================================================================== --- about/gallery/gw150914/index.php 2016-06-05 22:07:05 UTC (rev 1542) +++ about/gallery/gw150914/index.php 2016-06-05 22:07:10 UTC (rev 1543) @@ -36,9 +36,9 @@ <h4>Physical parameters</h4> <table> <tr><th>Initial separation D</th><td>10 M</td></tr> - <tr><th>Mass ratio q = m1/m2</th><td>36/29 ~ 1.24</td></tr> - <tr><th>Spin chi1 = a1/m1</th><td>0.31</td></tr> - <tr><th>Spin chi2 = a2/m2</th><td>-0.46</td></tr> + <tr><th>Mass ratio q = m<sub>1</sub>/m<sub>2</sub></th><td>36/29 ~ 1.24</td></tr> + <tr><th>Spin χ<sub>1</sub> = a<sub>1</sub>/m<sub>1</sub></th><td>0.31</td></tr> + <tr><th>Spin χ<sub>2</sub> = a<sub>2</sub>/m<sub>2</sub></th><td>-0.46</td></tr> </table> </div>

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[svn:einsteintoolkit] www/about/gallery/gw150914/ (Rev. 1542)
by barry.wardell＠gmail.com 05 Jun '16

05 Jun '16

User: barry.wardell Date: 2016/06/05 05:07 PM Modified: /about/gallery/gw150914/ index.php Log: GW150914 gallery: Add some text describing the simulation File Changes: Directory: /about/gallery/gw150914/ =================================== File [modified]: index.php Delta lines: +24 -2 =================================================================== --- about/gallery/gw150914/index.php 2016-06-05 22:06:58 UTC (rev 1541) +++ about/gallery/gw150914/index.php 2016-06-05 22:07:05 UTC (rev 1542) @@ -6,10 +6,32 @@ $sim_stats = json_decode(file_get_contents("stats.json"), true); ?> -<p>As observed by LIGO; the first detection of gravitational waves</p> +<p>On February 11, 2016, the <a href="http://www.ligo.org/">LIGO collaboration</a> <a +href="http://www.ligo.org/news/detection-press-release.pdf">announced</a> that they had achieved +the first ever direct detection of gravitational waves. The gravitational waves â which were +detected by both LIGO detectors on September 14, 2015 at 09:51 UTC â were generated over a billion +years ago by the merger of a binary black hole system. The announcement came along with the +simultaneous publication of a peer-reviewed paper [<a +href="http://dx.doi.org/10.1103/PhysRevLett.116.061102">Phys. Rev. Lett. 116, 061102</a>]; several +other papers giving technical details; and a full release of the <a +href="https://losc.ligo.org/events/GW150914/">data from the detection</a>, which has been given the +name GW150914. - <p>This simulation shows how to evolve a binary black hole system for the last 6 orbits through to merger. </p> +<p>The <a href="http://arxiv.org/abs/1602.03840">LIGO analysis</a> found that the merger consisted +of a 36 + 29 solar mass binary black hole system, the remnant was a 62 solar mass black hole, and +the remaining 3 solar masses were radiated as gravitational waves. This simulation shows how to use +the Einstein Toolkit to evolve the last 6 orbits and merger of a binary black hole system with +parameters that match the GW150914 event. Along with the associated tutorials, it shows how to +extract waveforms and other physical properties from the simulated spacetime; how to visualise the +3D data generated by the simulation; and how to produce a numerical relativity waveform of the kind +that may be used for the analysis of LIGO signals.</p> +<p>A subset of the simulation data — including everything required to follow the VisIt and +SimulationTools tutorials without having to run the simulation — is available for downloaded +below. The full simulation output additionally includes multiple resolutions and considerable 2D +and 3D output, and totals several terabytes in size; as such it will be made available for download +once a suitable distribution method has been found.</p> + <div style="display:inline-block; margin-right: 20px"> <h4>Physical parameters</h4> <table>

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[svn:einsteintoolkit] www/about/gallery/gw150914/ (Rev. 1541)
by barry.wardell＠gmail.com 05 Jun '16

05 Jun '16

User: barry.wardell Date: 2016/06/05 05:06 PM Added: /about/gallery/gw150914/ Strain.png Modified: /about/gallery/gw150914/ index.php Log: GW150914 gallery: Add 3D plot of strain File Changes: Directory: /about/gallery/gw150914/ =================================== File [added]: Strain.png Delta lines: <Unavailable> File [modified]: index.php Delta lines: <Unavailable>

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[svn:einsteintoolkit] www/about/gallery/gw150914/ (Rev. 1540)
by barry.wardell＠gmail.com 05 Jun '16

05 Jun '16

User: barry.wardell Date: 2016/06/05 05:06 PM Added: /about/gallery/gw150914/ ImI.png, ReI.png, RePsi4.png Modified: /about/gallery/gw150914/ index.php Log: GW150914 gallery: Add visualisation of curvature scalars File Changes: Directory: /about/gallery/gw150914/ =================================== File [added]: ImI.png Delta lines: <Unavailable> File [added]: ReI.png Delta lines: <Unavailable> File [added]: RePsi4.png Delta lines: <Unavailable> File [modified]: index.php Delta lines: <Unavailable>

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