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ANSYS Tutorial - APDL and Remote Solve

ANSYS Workbench 12.1 Tutorial: Now you can run ANSYS Mechanical APDL input files through theRemote Solve Manager (RSM). Read step-by-step instructions and see the tutorial video in this article...

Video tutorial

ANSYS Tutorial - APDL and Remote Solve - EDR http://www.edr.no/index.php/blogg/ansys_bloggen/ansys_tutorial_apdl_a...

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Introduction

ANSYS Workbench has had the capability of submitting jobs to a remote server though RSM (Remote SolverManager) since release 11. This means that a Workbench user can:

Perform Preprocessing on a local machineSubmit to a more powerful remote serverDownloads the result files back to the local machine and continue the post processing.

For Mechanical APDL, it has not available prior to the release of V12.1. Here is detailed description on howto do it!

Step-by-step instructions:

V12.1 brings us a lot of bright news and to submit a Mechanical APDL job to a remote server through RSM isone of them. To be honest, this function is not perfect but I am still quite satisfied. This is the first step and wehave reasons to expect more in future releases.

First define a directory as working directory. In the directory it contains two files: remote.dat andrsmtest.dat. remote.dat is a remote solver controlling file and should look like the one shown in Figure 1.remote.dat must not be changed to other names. rsmtest.dat is the job we intend to submit to a remoteserver. There is no limitation with the filename but the extension must be dat.

Figure 1. contents of remote.dat


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In remote.dat there are several ANSYS parameters: -m and dp define total size of workspace anddatabase, -np assigns number of processors to be used and p defines which ANSYS product will run duringthe session. More detailed descriptions for parameters are found in the ANSYS Help:

// Operations Guide // 3. Running the ANSYS Program // 3.1. Starting an ANSYS Session from the CommandLevel

Submit the job

We can submit job directly in Workbench. But for Mechanical APDL, we have to do it manually:

Figure 2. Submit job manually.

There are three items required to submit a job. In Queue, the drop down list contains: Local, Immediate andall available remote servers. Here we choose a remote server with name monster2. In Template, we point itto the job template file. Working Directory is that one we defined in the first step.

Figure 3. SubmitForm.

After clicking Submit button, we will see log messages in the progress pane as in Figure 4. When the job isfinished, RSM will automatically download three files back to the working directory: file.err, solve.outand file.rst. I tried to use different jobnames and to download more files without success. Maybe it will bepossible in next version.


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Figure 4. Log messages in the progress pane.

Additional comments

In the SubmitForm, if we choose Local or Immediate instead of a remote server, we can have any extensionsfor the input file of the submitted job such as rsmtest.inp, rsmtest.txt or whatever. When the solution isfinished, we will get all files in the working directory. It looks like we submit the job though Batch model inANSYS Product Launcher. One advantage to submit job through RSM is to run batch processing. Inremote.dat, we can input several input files such as

/input, rsmtest1.dat

/input, rsmtest2.dat

and change jobnames in corresponding input files by commands /filname. We will get result files for all jobsin the working directory when all jobs are finished.

Do you want to learn more?

EDR provides a training course that covers basic Workbench operations, as well as other interesting topics.

Or contact our ANSYS Support to ask for hints!

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ansys tutorial - apdl and remote solve - edr

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