Post-processing is a way to visualize and process the results obtained once the simulation run has finished; hence the word post-processing as opposed to pre-processing, which counts the steps taken to set up the simulation run.
SimScale has its own integrated post-processor where the simulation results can be analyzed. There is also the possibility to download the raw result data and post-process using a third-party desktop application, e.g., ParaView.
SimScale’s integrated Post-processor is based on Ceetron’s technology.
To open the simulation result data set for post-processing, either click on ‘Post-process results‘ in the run panel or on ‘Solution Fields‘ in the simulation tree. Since the rendering is done remotely, the initialization may take some time before anything is shown in the viewer.
Take a sneak into the post-processor that allows you to visualize the flow variables over the complete domain or selected planes along with particle traces, animations, etc.
The best part about the online post-processor is that all the results get saved on the cloud and can be accessed anytime, from any system. To get a hold on the features of this integrated platform, please visit this page.
Alternatively, you can post-process the simulation results in an external environment by downloading the result data from a specific simulation run. Here’s how it is done:
Currently, the OpenFOAM based results are downloaded as .foam, Code_Aster ones as .pvd (or more accurately as VTM, the PVD just adds the time step info), Pacefish results as either .case (EnsightGold) and the Wind Comfort results are downloaded as VTM again. These results are supported by most of the common post-processing software.
In case you are looking for one, ParaView is an open source tool that can be used for a large variety of post-processing tasks. Step-by-step procedure here.
References
Last updated: August 13th, 2020
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