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BC are deleted or changed every time I open a model, how can I solve this?

User: "Maialen"
Maialen
New Altair Community Member
Updated by Maialen

Hi, 

I use 2022.2 Altair Hyperworks version and every time I open a model, the BCs I created the last time I edited the file are changed or deleted. Constrains are deleted and forces change the application direction. Thus, I have to define them again. 

Does this happen to someone else? How can I fix this?

 

Thanks

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    User: "Jason_Craanen"
    Jason_Craanen
    Altair Employee
    Updated by Jason_Craanen

    Hello,

    No this is not a typical behavior.

    What solver are you using? 

    Can you share the model or the setup?

    You might also want to try exporting a solver deck to verify your setup.

    thanks

    jason

    User: "Maialen"
    Maialen
    New Altair Community Member
    OP
    Updated by Maialen

    Hi,

    I am using Abaqus solver. 

    I am afraid that for security reasons I am not sure I can share the files. But, I just created the BCs from the menu below, shown in the photo. 

    image

    As I mentioned, once I close the file, when I open it again, some BCs are deleted or changed. 

    image

    image

    First picture, what I originaly created, second, what appears when I open the file again. 

    Thanks!

    Community-Pasted-Attachment-1706163782830.png
    Community-Pasted-Attachment-1706163808689.png
    User: "Jason_Craanen"
    Jason_Craanen
    Altair Employee
    Updated by Jason_Craanen

    Hi,

    I am using Abaqus solver. 

    I am afraid that for security reasons I am not sure I can share the files. But, I just created the BCs from the menu below, shown in the photo. 

    image

    As I mentioned, once I close the file, when I open it again, some BCs are deleted or changed. 

    image

    image

    First picture, what I originaly created, second, what appears when I open the file again. 

    Thanks!

    Since you can't share your model, I would make sure you are looking at the input decks. That is true way to verify. Visually what I see is the difference between legacy loads and the new migrated loads. No loads should be changed or deleted.

    https://help.altair.com/hwdesktop/hwx/topics/pre_processing/entities/loads_r.htm

     

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