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ANSYS Remote Solver Manager

Remote Solver Manager

Overview

The Remote Solve Manager (RSM) is one of the most useful tools available in ANSYS Workbench. It has three main uses:

  1. To submit ANSYS jobs to a remote, typically more powerful computer for solution.
  2. To submit ANSYS jobs on the local computer for an immediate or delayed background solution.
  3. To review intermediate results of a transient or nonlinear run while the solution is in progress.

This document focuses on item 2 – using RSM locally. Although “RSM Locally” sounds like an oxymoron, you will find it useful in scenarios such as:

  • Setting up an analysis and solving it at a later time on the local computer.
  • Setting up a series of analyses and queuing them for solution on the local computer at a later time.
  • Solving an analysis while using a PrepPost license.  PrepPost does not allow solving, but you can use RSM to launch a background solution with a Mechanical, Structural, or other solve-capable license.

Note: The RSM solution will check out the requested ANSYS license from your license pool; it does not share the license being currently used by the Workbench session.

Configuring RSM
RSM is automatically installed on your computer when you install ANSYS Workbench, but must be configured before you can use it. This requires local administrative privileges.

The main configuration step is to set password for the local computer (and for any other computer that you may add to RSM). Since the username and password for RSM are the same as the ones you use to login to the computer, you will need to set password every time you change your login credentials.

For more information on RSM set up and configuration, please refer to // Remote Solve Manager (RSM) // The Remote Solve Manager (RSM) // Setup in the ANSYS 12.x Help system.

The RSM User Interface

The RSM user interface, shown here, can be accessed on Windows machines via:  Start > All Programs > ANSYS 12.1 > RSM > RSM Manager.

Remote Solver Manager


RSM has a pre-configured Local queue with the local computer (localhost) identified as the compute server. Multiple compute servers can be added to a given queue; please refer to RSM help for details on this topic.

Solving While Using a PrepPost License
If you have set up the analysis using a PrepPost license, follow these steps to launch a solution via RSM:

1. In the Mechanical application (formerly Simulation), click on Tools > Solve Process Settings.

2. In the Solve Process Settings dialog box (shown below), highlight My Computer, Background.

Remote Solver Manager Remote Solver Manager

3. Set Queue = Local, License = ANSYS Structural (or other solve-capable license), and press OK.

4. When you are ready to solve, click on the drop-down arrow next to the Solve button and choose My Computer, Background.

5. When the background solution is done, right-click on Solution > Get Results.


Creating a Queue for “Overnight” Jobs

A common practice among ANSYS users is to set up a series of analyses and queue them for solution at a later time, typically at the end of the workday. RSM makes this easy to do: simply set up a local queue with a specified start-up time of, say, 6:30 p.m. The steps to do this are as follows.

1.    Launch the RSM user interface.

2.    Right-click on My Computer > Queues and choose Add.

3.    In the Queue Properties dialog box:

a.    Check-mark localhost under Assigned Servers.
b.    Enter Name = Overnight Queue.
c.    Press OK.

4.    In the RSM user interface, right-click on My Computer > Queues > Overnight Queue > localhost and choose Properties.

Remote Solver Manager Remote Solver Manager

5.    In the Compute Server Properties dialog box:

a.    Set Start Time to 18:30:00 (24-hour format).
b.    Set Max Running Jobs to 1 (default value). It means that multiple jobs submitted to this queue will be solved sequentially. A value greater than 1 will allow simultaneous jobs and will require as many licenses to be simultaneously available.
c.    Press OK.

 

Submitting Solutions to the Overnight Queue
Once the Overnight Queue has been set up, you can submit solutions to it using the following steps.

1.    In the Mechanical application (formerly Simulation), click on Tools > Solve Process Settings.

2.    In the Solve Process Settings dialog box (shown below), press the Add Local button, add a new Solve Process Setting called My Computer, Overnight, and press OK.

Remote Solver Manager

3. Highlight My Computer, Overnight. Set Queue = Overnight Queue and License = ANSYS Mechanical/Emag (or other solve-capable license).Note that whatever license you choose must be available at the start-up time specified for the queue.

Remote Solver Manager Remote Solver Manager


4.    When you are ready to solve, click on the drop-down arrow next to the Solve button and choose My Computer, Overnight.

5.    Close the Mechanical application and save the project.

6.    Repeat steps 1 to 5 for other analyses.

7.    To retrieve results, open the appropriate project and then in the Mechanical application, right-click on Solution > Get Results.

Conclusion
The Remote Solve Manager (RSM) can be used submit jobs not only to a remote computer but also to the local computer. Multiple queues can be set up, each with its own start-up time.