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How to import single STL file to openfoam in Windows 10

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Old   April 10, 2019, 08:08
Default How to import single STL file to openfoam in Windows 10
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Joe lee
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I am a Windows 10 user and have never used Linux before. Currently I am working on a final year project, which needs to generate a fluid flow simulation of track cycling. I have created a cyclist and bike model in SolidWorks, and I would like to export the model and use in OpenFOAM. I have installed OpenFOAM on my Windows 10 using Ubuntu. I followed the guide from https://openfoam.org/download/windows/ . By the way, I am a completely newbie in OpenFOAM and Ubuntu.

I first export the SolidWorks model to .stl file with in ASCII. And it is in a single file, namely Model.STL. And now I would like to do meshing on this STL model using SnappyHexMesh. However, I do not know how to import the STL file using OpenFOAM. I tried to find tutorial of this, but I couldn't find any using a single STL model.

Could anyone help me to figure out what should I do? Thanks in advanced.
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Old   April 10, 2019, 09:52
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You have to put the stl file in the constant/triSurface-folder. SnappyHexMesh will then be able to read this stl file
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Old   April 10, 2019, 11:04
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Quote:
Originally Posted by Saamu View Post
You have to put the stl file in the constant/triSurface-folder. SnappyHexMesh will then be able to read this stl file
Thanks for replying. After I moved the stl file into triSurface folder, what should I do? I tried to run SnappyHexMesh by typing "snappyHexMesh", but it said
-->FOAM FATAL ERROR
cannot find file "/home/<username>/OpenFOAM/<username>-dev/run/system/controlDict"

Thanks a lot.
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Old   April 10, 2019, 18:46
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As shown in the output, you need a controlDict file in the systems folder. You could start with one of the files in the $FOAM_TUTORIALS subfolders which use snappyHexMesh, e.g. the motorBike tutorial:
https://github.com/OpenFOAM/OpenFOAM...Foam/motorBike
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Old   April 11, 2019, 01:03
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Quote:
Originally Posted by jherb View Post
As shown in the output, you need a controlDict file in the systems folder. You could start with one of the files in the $FOAM_TUTORIALS subfolders which use snappyHexMesh, e.g. the motorBike tutorial:
https://github.com/OpenFOAM/OpenFOAM...Foam/motorBike
Thanks a lot! I would try this out.
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Old   April 11, 2019, 03:48
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Quote:
Originally Posted by jherb View Post
As shown in the output, you need a controlDict file in the systems folder. You could start with one of the files in the $FOAM_TUTORIALS subfolders which use snappyHexMesh, e.g. the motorBike tutorial:
https://github.com/OpenFOAM/OpenFOAM...Foam/motorBike
Is it true that surfaceFeatureExtract function only takes stl file with .stl.gz extension? My file is in .stl format and it cannot be read by the surfaceFeatures and surfaceFeatureExtract function. I checked that flange is in .stl.gz. So I am wondering if the stl file has to be in .stl.gz.

If the above is true, how should I turn .stl into .stl.gz? Thanks.

EDIT
Nevermind. I put the wrong file in the triSurface folder.
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Old   May 16, 2023, 13:14
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How the constant/triSurface-folder is being created? Is it created once the OF is installed? Where is the location of this file. I’m also a newbie in openfoam. Thanks
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Old   May 17, 2023, 04:32
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Originally Posted by Rahmat1 View Post
How the constant/triSurface-folder is being created? Is it created once the OF is installed? Where is the location of this file. Im also a newbie in openfoam. Thanks
1. If the folder is not present, you can create it manually.

2. ".stl " file is to be supplied by you. If you want to run a custom simulation, create that 3D model in any other software like Fusion 360, Solidworks, etc.. and export them as ".stl" files.
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Old   May 17, 2023, 13:35
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Quote:
Originally Posted by Kuralamuthan View Post
1. If the folder is not present, you can create it manually.

2. ".stl " file is to be supplied by you. If you want to run a custom simulation, create that 3D model in any other software like Fusion 360, Solidworks, etc.. and export them as ".stl" files.
Re-read my questions
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Old   May 19, 2023, 11:03
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Quote:
Originally Posted by Rahmat1 View Post
How the constant/triSurface-folder is being created? Is it created once the OF is installed? Where is the location of this file. Im also a newbie in openfoam. Thanks
Create the folder with

Code:
mkdir triSurface
while you're in the constant folder. If you don't know where that is please read Chapter "2.1 File structure of OpenFOAM cases" of the user guide again.

What file are you talking about?

Best regards,
Vinz
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