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DualSPHysics / DesignSPHysics

Module for FreeCAD intended to use with DualSPHysics fluid simulator.
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Change 3D to 2D #159

Closed smenzer15 closed 1 year ago

smenzer15 commented 1 year ago

Setting up the floating sphere tutorial as per youtube video, having problems:

The buttons to change the object order do not allow to change the top item. Can workaround this one. Sorry about this in bold, can't change it!

Any attempts to change the simulation from 3D to 2D fail, get the following error report:

DesignSPHysics version: 0.7.0 (15-09-2023) Platform: Windows-10-10.0.22621 FreeCAD Version: 0.21.1 Exception type: <class 'AttributeError'> Exception value: 'NoneType' object has no attribute 'Width' Traceback:

File "C:\Users\stephen.menzer\AppData\Roaming\FreeCAD\Mod\DesignSPHysics\mod\widgets\dock\dock_pre_processing_widget.py", line 376, in on_2d_toggle Case.the().info.last_3d_width = fc_object.Width.Value

[code] OS: Windows 11 build 22621 Word size of FreeCAD: 64-bit Version: 0.21.1.33668 +26 (Git) Build type: Release Branch: (HEAD detached at 0.21.1) Hash: f6708547a9bb3f71a4aaade12109f511a72c207c Python 3.8.10, Qt 5.15.2, Coin 4.0.1, Vtk 8.2.0, OCC 7.6.3 Locale: English/United Kingdom (en_GB) Installed mods:

imestevez commented 1 year ago

Try to change to 2D before adding any object to FreeCAD.

smenzer15 commented 1 year ago

Good Morning

Thanks a lot for the quick reply.

I raised this on GitHub on Tuesday, but noticed on Wednesday that the workbench is ok after all, and I put this into an email to your gmail account, copy attached. Basically, I had the problem when working through a remote connection from home, but no problems when sitting in front of the workstation. Never had that with Freecad before.

For your information, I am new to Dualsphysics but ok with OpenFoam and Elmer. 3D static FEA is routine.

As part of an ongoing R&D project, I try to simulate a tank overflow. The overflow is essentially a 90deg elbow fitted to a storage tank with downcomer pipe. I can design this a crested circular weir, but am looking for an independent method to verify. OpenFoam and Elmer both struggle with the free surface in a partially filled circular pipe. Having said that, grit methods are probably ok in a square overflow but haven't investigated in detail, as this is not what we are selling.

I probably have many more questions while I am learning your package!

Kind regards

            Stephan

Stephan Menzer Technical Manager Chem Resist Group Ltd Lockway Ravensthorpe Industrial Estate Dewsbury, W. Yorks, WF13 3SX

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From: Iván Martínez Estévez @.> Sent: Friday, October 27, 2023 11:18 AM To: DualSPHysics/DesignSPHysics @.> Cc: Stephen Menzer @.>; Author @.> Subject: Re: [DualSPHysics/DesignSPHysics] Change 3D to 2D (Issue #159)

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Try to change to 2D before adding any object to FreeCAD.

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