[ET Trac] #2174: Test "Multi Patch Scalar Wave Equation" example

[Roland Haas]

#2174: Test "Multi Patch Scalar Wave Equation" example

 Reporter: Roland Haas
   Status: open
Milestone: ET_2023_11
  Version: development version
     Type: task
 Priority: major
Component: EinsteinToolkit website

Changes (by Roland Haas):
Before each release, check that http://einsteintoolkit.org/gallery/multipatch/index.html still works and produces correct output.  
  
Steps:  
  
1\. download the _development_ version of the Einstein Toolkit:  

```shell
curl -kLO https://raw.githubusercontent.com/gridaphobe/CRL/master/GetComponents
chmod a+x GetComponents
./GetComponents https://bitbucket.org/einsteintoolkit/manifest/raw/master/einsteintoolkit.th
```

2\. download the parameter file fro the gallery example  

```shell
cd Cactus
wget --output-document par/Kerr-Schild_Multipole.par https://bitbucket.org/llamacode/llama/raw/master/LlamaWaveToy/par/Kerr-Schild_Multipole.par
```

3\. compile Cactus for the system you are on \(this may require that you add a cluster allocation etc.\)

```shell
./utils/Scripts/MakeThornList --master thonrlists/einsteintoolkit.th --output thornlists/Kerr-Schild_Multipole.th
./simfactory/bin/sim setup-silent
./simfactory/bin/sim build --thornlist thornlists/Kerr-Schild_Multipole.th
```

4\. run the simulation, using number of MPI ranks similar to what is shown on the ET website, so _for example_

```shell
./simfactory/bin/sim create-submit --parfile par/Kerr-Schild_Multipole.par --cores 8  --num-threads 2 --walltime 0:30:00
```

5\. on your laptop install VisIt using the precompiled executable available from its [download page](https://visit-dav.github.io/visit-website/)  
6\. get the VisIt session file 

```shell
wget http://einsteintoolkit.org/gallery/multipatch/Kerr-Schild_Multipole.session
```

‌

--
Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2174/test-multi-patch-scalar-wave-equation
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