Hypermesh CFD Engineering Quantities varies with View Orientation

User: "DavidJu24"
DavidJu24
Altair Community Member

Hi everyone, I'm getting this weird thing where the lift/drag/side forces calculated by Engineering Quantities in CFD post-processing varies based on my view orientation. I'm highlighting all of the vehicle surfaces each time, yet still getting different results. Can someone what I might be doing wrong? Thanks!

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    User: "acupro"
    acupro
    Altair Employee

    Could it be you're operating different time step output sets?

    Could it be the selection of surfaces is different?

    Which solver was used?

    User: "ydigit"
    ydigit
    Altair Employee

    If relevant, do you mind posting a screenshot?

    User: "DavidJu24"
    DavidJu24
    Altair Community Member
    OP

    When I opened the log file I set timestep to "last" so I don't think there was timestep variation between samples. I used Acusolve 2024, and I made sure to hide all non-car surfaces and then select everyting visible remaining. I basically ran engineering quantities →forces , panned around a little bit, then did the same right after, and the values come out different. Let me know what you guys think, and thanks for the help! Cheers

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