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How to export surface pressure from AcuFieldView or AcuSolve to FEA solvers

User: "Altair Forum User"
Altair Employee
Updated by Altair Forum User

Hi,

 

I would like to export these pressure values from AcuFieldView or AcuSolve to FEA solver, how can i do that..?  Please help me regarding the same.

 

Pressure.JPG.8f71484799d23efac18c2d0c83d08c9e.JPG

 

 

Regards,

Sandeep P

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    User: "Altair Forum User"
    Altair Employee
    OP
    Updated by Altair Forum User

    Hi Sandeep,

     

    Please find the attached documents which explains how to map pressure to a structural solver.

    let me know if you face any problems in mapping.


     

     

    Regards

    Ravi Harti

    Unable to find an attachment - read this blog

    User: "Junta_20361"
    New Altair Community Member
    Updated by Junta_20361

    hello guys,

     

    im having an issue while using AcuSolve cmd promt.
     

    i can not create variables nodes neither run the command acuPython acuGetNodeSubset –h.

     

    The programs show me the error in the picture below.

    can you guys help me.
    P/S: i already placed acuGetNodeSubset file in my working directory.

     

     image.png.00cfef158d6eae98e2fab023e577222b.png

    User: "acupro"
    Altair Employee
    Updated by acupro

    If you first use 'cd' to go into the directory where you placed the acuGetNodeSubset python script itself, you should be able to use

     

    acuPython  acuGetNodeSubset  –h

     

    in that directory, rather than issuing it from the 'Documents' directory as in your snapshot.

    User: "Junta_20361"
    New Altair Community Member
    Updated by Junta_20361


    Thank you so much!

     

    User: "sfk1229"
    Altair Community Member
    Updated by sfk1229

    I couldn't find  acuGetNodeSubset python code in my installation directory or anywhere else in my pc. So, Where can i get acuGetNodeSubset Python file.

     

    It would be great if you help me out with this.

    User: "acupro"
    Altair Employee
    Updated by acupro

    acuGetNodeSubset should be in the /script/ directory of the installation.

    User: "sfk1229"
    Altair Community Member
    Updated by sfk1229

    Tq for reply. I couldn't find it my installation directory.  Luckily I got it from Forum memeber.

    User: "acupro"
    Altair Employee
    Updated by acupro

    Just curious - which AcuSolve version are you using, and on which OS?

    User: "Vignesh  Lakshmanan"
    Altair Community Member
    Updated by Vignesh Lakshmanan

    Hi Everyone,

     

    GetNodeSubset gets the data at the nodes. Is it possible to get data at cell centers?

     

    Regards

    Vignesh

    User: "acupro"
    Altair Employee
    Updated by acupro

    Hi Everyone,

     

    GetNodeSubset gets the data at the nodes. Is it possible to get data at cell centers?

     

    Regards

    Vignesh

    AcuSolve stores the data at the mesh nodes rather than the cell centers.  What are you wanting to do such that you want data at a location other than the mesh nodes?  In other words, why would the data at the mesh nodes not be sufficient?

    User: "Vignesh  Lakshmanan"
    Altair Community Member
    Updated by Vignesh Lakshmanan

    AcuSolve stores the data at the mesh nodes rather than the cell centers.  What are you wanting to do such that you want data at a location other than the mesh nodes?  In other words, why would the data at the mesh nodes not be sufficient?

    Thanks for your reply. IMO there should be no difference between the two , since CFD works on conservation principles. I cannot disclose much, but I need to map pressure data (from another CFD code) to structural mesh in HM. I am getting some deviation in my results. Hence, I want to check if i can get the same data from Acusolve and try mapping in HM and may be the deviation is gone. 

    User: "acupro"
    Altair Employee
    Updated by acupro

    Thanks for your reply. IMO there should be no difference between the two , since CFD works on conservation principles. I cannot disclose much, but I need to map pressure data (from another CFD code) to structural mesh in HM. I am getting some deviation in my results. Hence, I want to check if i can get the same data from Acusolve and try mapping in HM and may be the deviation is gone. 

    If you only need to map/interpolate the AcuSolve data onto another mesh, you should be able to use the load mapper and/or linear interpolation process within HyperMesh using the nodal data from AcuSolve directly, rather than going through two different interpolations.  There are a few different topics on that in other forums describing the process to extract the surface data from AcuSolve results and map/interpolate in HyperMesh - or refer to the initial question and response above in this topic.

    You could potentially use the acuInterp utility within the AcuSolve distribution to interpolate the data to a point cloud, but you would need to build that point cloud as there is no AcuSolve script/utility to do that for you.