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  • Documentation

    How Can I Assess the Volume or Surface of My Model? 

    From time to time it is essential that we know the volume or surface area of a specific model. This is possible with the Statistics filter within SimScale’s online post-processor.

    After a simulation is finished, you can access the post-processor in two ways:

    the post processor can be accessed in two ways
    Figure 1: The Statistics filter is part of the Post-Processor environment, and can be accessed in two ways.
    • Go to the ‘Solution fields’ or,
    • Go to ‘Post-process results’.

    After you enter the domain, you can start by clicking the ‘Statistics’ filter at the top ribbon:

    accessing the statistics filter in the posr-processor
    Figure 2: Enabling the Statistics before the selection of the desired faces or volumes. All filters are located at the top of the page.

    Then to check the surface area of a face, make sure the ‘Face selection’ is enabled, and click on the face of your choice. A panel will appear with information about the area:

    face selection and the surface area data on the statistics panel
    Figure 3: The surface area is displayed on the Statistics panel when selecting a face.

    If you wish to assess the volume of a part, make sure the ‘Volume selection’ is enabled instead, and select the component of your choice:

    volume selection and the volume data on the panel
    Figure 4: When the volume selection is enabled, the statistics panel will be updated accordingly.

    If a Cutting Plane is created, then the panel will display its total surface area:

    the cutting plane can cut the model into many faces, and the panel will include the data for the combination of all of them
    Figure 5: If a cutting plane splits the model into many faces, each one will get a corresponding panel, but the main Statistics panel will show the data for the total of them.

    Other Important Data

    Apart from the geometrical data the statistical data related to the flow physics is also available for the selected volume or surface.

    However, it is possible to isolate each face and see the statistics for it separately, by clicking on the panel that is connected to it:

    the data on the statistics panel can refer to specific face of the cutting plane
    Figure 6: After clicking on a panel that is linked to a specific face, the Statistics panel will be replaced by the data only for this face.

    For more information regarding the Post-processor and its filter, including the Statistics, have a look here.


    If none of the above suggestions solved your problem, then please post the issue on our forum or contact us.


    Last updated: April 6th, 2022