134 lines
5.4 KiB
Markdown
134 lines
5.4 KiB
Markdown
# ANSYS HFSS (ElectroMagnetics)
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This recipe is intended to show how to run ANSYS HFSS (ElectroMagnetics) in Slurm.
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Having in mind that in general, running ANSYS HFSS means running **ANSYS Electronics Desktop**.
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## Running HFSS / Electromagnetics jobs
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### PModules
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Is necessary to run at least ANSYS software **ANSYS/2022R1**, which is available in PModules:
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```bash
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module use unstable
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module load Pmodules/1.1.6
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module use overlay_merlin
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module load ANSYS/2022R1
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```
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## Remote job submission: HFSS RSM and SLURM
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Running jobs through Remote RSM or Slurm is the recommended way for running ANSYS HFSS.
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* **HFSS RSM** can be used from ANSYS HFSS installations running on Windows workstations at PSI (as long as are in the internal PSI network).
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* **Slurm** can be used when submitting directly from a Merlin login node (i.e. `sbatch` command or interactively from **ANSYS Electronics Desktop**)
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### HFSS RSM (from remote workstations)
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Running jobs through Remote RSM is the way for running ANSYS HFSS when submitting from an ANSYS HFSS installation on a PSI Windows workstation.
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A HFSS RSM service is running on each **Merlin login node**, and the listening port depends on the ANSYS EM version. Current support ANSYS EM RSM
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release and associated listening ports are the following:
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<table>
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<thead>
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<tr>
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<th scope='col' style="vertical-align:middle;text-align:center;">ANSYS version</th>
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<th scope='col' style="vertical-align:middle;text-align:center;">Login nodes</th>
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<th scope='col' style="vertical-align:middle;text-align:center;">Listening port</th>
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</tr>
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</thead>
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<tbody>
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<tr align="center">
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<td>2022R1</td>
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<td><font size="2" face="Courier New">merlin-l-001 merlin-l-001 merlin-l-001</font></td>
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<td>32958</td>
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</tr>
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<tr align="center">
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<td>2022R2</td>
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<td><font size="2" face="Courier New">merlin-l-001 merlin-l-001 merlin-l-001</font></td>
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<td>32959</td>
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</tr>
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<tr align="center">
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<td>2023R2</td>
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<td><font size="2" face="Courier New">merlin-l-001 merlin-l-001 merlin-l-001</font></td>
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<td>32960</td>
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</tr>
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</tbody>
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</table>
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Notice that by default ANSYS EM is listening on port **`32958`**, this is the default for **ANSYS/2022R1** only.
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* Workstations connecting to the Merlin ANSYS EM service must ensure that **Electronics Desktop** is connecting to the proper port.
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* In the same way, the ANSYS Workstation version must be the same as the version running on Merlin.
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Notice that *HFSS RSM is not the same RSM provided for other ANSYS products*.
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Therefore, the configuration is different from [ANSYS
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RSM](ansys-rsm.md).
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To setup HFSS RSM for using it with the Merlin cluster, it must be done from the following **ANSYS Electronics Desktop** menu:
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1. **[Tools]->[Job Management]->[Select Scheduler]**:
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2. In the new **[Select scheduler]** window, setup the following settings and **Refresh**:
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* **Select Scheduler**: `Remote RSM`.
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* **Server**: Add a Merlin login node.
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* **User name**: Add your Merlin username.
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* **Password**: Add you Merlin username password.
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Once *refreshed*, the **Scheduler info** box must provide **Slurm**
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information of the server (see above picture). If the box contains that
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information, then you can save changes (`OK` button).
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3. **[Tools]->[Job Management]->[Submit Job...]**:
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4. In the new **[Submite Job]** window, you must specify the location of the **ANSYS Electronics Desktop** binary:
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* In example, for **ANSYS/2022R1**, the location is `/data/software/pmodules/Tools/ANSYS/2021R1/v211/AnsysEM21.1/Linux64/ansysedt.exe`.
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### HFSS Slurm (from login node only)
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Running jobs through Slurm from **ANSYS Electronics Desktop** is the way for
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running ANSYS HFSS when submitting from an ANSYS HFSS installation in a Merlin
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login node. **ANSYS Electronics Desktop** usually needs to be run from the
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**[Merlin NoMachine](../how-to-use-merlin/nomachine.md)** service, which currently runs
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on:
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* `merlin-l-001.psi.ch`
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* `merlin-l-002.psi.ch`
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Since the Slurm client is present in the login node (where **ANSYS Electronics
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Desktop** is running), the application will be able to detect and to submit
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directly to Slurm. Therefore, we only have to configure **ANSYS Electronics
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Desktop** to submit to Slurm. This can set as follows:
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1. **[Tools]->[Job Management]->[Select Scheduler]**:
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2. In the new **[Select scheduler]** window, setup the following settings and **Refresh**:
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* **Select Scheduler**: `Slurm`.
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* **Server**: must point to `localhost`.
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* **User name**: must be empty.
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* **Password**: must be empty.
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The **Server, User name** and **Password** boxes can't be modified, but if
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value do not match with the above settings, they should be changed by
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selecting another Scheduler which allows editig these boxes (i.e. **RSM
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Remote**).
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Once *refreshed*, the **Scheduler info** box must provide **Slurm**
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information of the server (see above picture). If the box contains that
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information, then you can save changes (`OK` button).
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