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Mr. Christian Anzalotta

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Posts posted by Mr. Christian Anzalotta

  2. Posted · Report reply

    So update I followed several of the Ahmed, Sduct and propeller OpenFOAM for Windows setups. I've downloaded simFlow engine for Openfoam for windows and found the .bat file actually runs fine on my desktop through terminal/command prompt however when I allow CAESES to execute the file it fails to find any of the commands stated such as blockMesh etc. So is this an administrator rights issue or something else that I can edit to fix? I literally copied over the Sduct simflow workflow demo and if I execute the Allrun.bat or manually execute each command via command prompt outside of CAESES everything works fine. Only when CAESES is told to run the .bat I receive issues with unrecognized commands for the dictionary etc. So Im unsure why through the software connector its unable to execute properly. I also relinked all the files to the folder.

    Moving C:/Users/Christian/Desktop/simflow/manual_results/baseline/Runner/input/0 to C:/Users/Christian/Desktop/simflow/manual_results/baseline/Runner//0

    Moving C:/Users/Christian/Desktop/simflow/manual_results/baseline/Runner/input/allrun.bat to C:/Users/Christian/Desktop/simflow/manual_results/baseline/Runner//allrun.bat

    Moving C:/Users/Christian/Desktop/simflow/manual_results/baseline/Runner/input/constant to C:/Users/Christian/Desktop/simflow/manual_results/baseline/Runner//constant

    Moving C:/Users/Christian/Desktop/simflow/manual_results/baseline/Runner/input/system to C:/Users/Christian/Desktop/simflow/manual_results/baseline/Runner//system

    [Captured output from application C:/Users/Christian/Desktop/simflow/manual_results/baseline/Runner//allrun.bat]

    C:\Users\Christian\Desktop\simflow\manual_results\baseline\Runner>surfaceFeatureExtract

    'surfaceFeatureExtract' is not recognized as an internal or external command,

    operable program or batch file.

    C:\Users\Christian\Desktop\simflow\manual_results\baseline\Runner>blockMesh

    'blockMesh' is not recognized as an internal or external command,

    operable program or batch file.

    C:\Users\Christian\Desktop\simflow\manual_results\baseline\Runner>snappyHexMesh -overwrite

    'snappyHexMesh' is not recognized as an internal or external command,

    operable program or batch file

  3. Posted · Report reply

    bump same issue my ./Allrun does not work meanwhile OF4WIN does work. I can run manually the configuration and then I can run the STL with linux commands. As soon as I attempt to use the ./Allrun script it will not run any of the commands and I have attempted to simplify my commands even to just blockMesh and it will not find the commands. The terminal from CAESES outputs that top response because it is not finding any of the commands from the dictionary.

    Weird because ./Allrun script shouldn't be causing these issues unless there is a weird communication or specific structure

  4. Posted · Report reply

    Thank you for the 

     

    Hej Christian,

     

    If I understood correctly, you want to avoid donwloading large files (such as the .sim file) from the cluster.
    CAESES do not need the .sim file nor a mesh. It only needs to receive the value of your evaluation variable(s). 
    Make sure that you java script to your simulation export the .csv file(s) and that you download it automatically to the design directory.
    Then inside your Software connector, add the result file .csv in the Result Files or Result Values, run once, get your evaluation variables and use those on the Dakota engine.

     

    Best regards,

    Paulo

    Thanks a ton Paulo that was exactly what I needed to know!!! Cheers.

  6. Posted · Report reply

    My issue is when I import a set of coordinates from Solidworks and generate an Image curve, the resulting curve is open-loop rather than a closed-loop. I have included a file where I import the data points, the curve was generated and then a ruled surface was executed. From experience, I found I want the original points to form a closed-loop so I do not need to post-process further to close the resultant curve from the imported data.

     

    In the CAESES file, you will find the airfoil import Feature Definition I used from a previous forum post and modified so it retained my coordinate system. How can I modify this Feature Definition so that the resulting curves are closed. The open ends are called Airfoil:Located:Start and End so I assume within the feature definition I would include an expression to automatically create a surface-normal line from the end point to the start point and wrap the two curves in a polycurve. The preferred, ideal method is where I import the raw points, put them at radial positions and create ruled surfaces between. Also is there an extrude style option or would I have to close the geometry using lids/endplates/etc. The file looks incomplete because I had to delete some of the geometry I can't disclose.

    help.fdbc

  7. Posted · Report reply

    Thank you for the file. I am running through the file to better understand the setup, etc so I used this dat file which I can provide.

     

    I tried using two other .dat files I generated in the format you mentioned, but seems to have some error when solving for the pXmax and camberline/thickness. Let me know if you find a solution before me!

     

    Currently, I'm attempting to use the definitions you had within the file you sent and implementing into my current sim where the airfoils aren't have issue in generating the imported FImagecurve.  Thank you for the quick setup and advice as well very helpful I can see myself generating designs by the end of the night or tomorrow at this pace.

     

    Update: Thank you it has implemented the airfoil I added the appropriate Z column data and worked flawlessly.

     

    Update2: Now only concern is the leading/trailing edge and the updated PS had a minor issue. Let me know what you think could be the issue. 


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  8. Posted · Report reply

    So I followed tutorials to import my IGES geometry, import the airfoil data points and also parametrize the curves via scaling/translation/rotation. This allows me to use the pre-existing geometry as references and create the airfoils within Caeses. Now I am interested in parametrizing the generated FImageCurves of one of the multi-elements and optimizing the airfoil profile (so the actual FImageCurve).

     

    EDIT: I parameterized the airfoil combinations, included other geometry etc. and manage to have CAESES output working IGES files for use in StarCCM+. Now I have to run remotely on a browser based cluster (difficult to remote from local pc). Also results will be too large to download unless its a csv file or only have to download few times per sample size (i.e every 5 valuations create a new Ensight file to import from highest downforce candidate). I ran an Adjoint Sensitivity baseline. I plan to use this for the initial baseline sensitivty for the Dakota Optimisation method. I generated 25 designs with a blank baseline for downforce and I restricted the geometry to test if the random design samples were all feasible designs. My question is do I need to run the CFD, the Adjoint Sensitivity responses and export an Ensight file with those results for every design generated or can I simply export after a mesh/run from StarCCM+ a net total downforce evaluation in a .csv file of the corresponding design iteration and import that into CAESES? Wasn't entirely sure from referencing tutorial how to import the csv for design iteration XX's downforce evaluation.

     

     

    I can connect to StarCCM+ up until the mesh/run case with macro. Cannot do mesh/run locally nor remote connect locally. 

    post-1230-0-82058100-1579673348_thumb.jpg

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