How do I analyze "Assembly 4" and "Dual Material"?

[xsuper9988]

I designed a simple gantry structure for FEM testing
I have simplified the structure
Keep only the main structure
The square iron tube is filled with concrete inside

Please provide ideas
thank you very much

My File:
https://drive.google.com/file/d/13nKbgc ... sp=sharing

[bernd]

which parts of the structure would youlike to analyze?

[thschrader]

The square iron tube is filled with concrete inside
Please provide ideas

Forget the concrete
Enhance wall thickness and add endplates at the beam.
After doing a bit of defeaturing (eliminate fillets/holes) and adding to beams at the top
to simulate excentric loading the results are at 5 kN z-load:
stresses lower than 30 MPa, max deflection 0,14 mm.
The structure is very stiff.
My FC-file with cleared mesh:

ASM_FEM_th.FCStd

(49.7 KiB) Downloaded 26 times

base_frame.JPG (95.53 KiB) Viewed 1334 times

[xsuper9988]

which parts of the structure would youlike to analyze?

The current parts are the main load-bearing structure
So currently I want to analyze

1.
Analysis on X-axis linear module

2.
Analysis on Z-axis linear module

2.
Analyze on the tool

From the structure point of view, I should analyze these three points. Isn't it right?

[xsuper9988]

The square iron tube is filled with concrete inside
Please provide ideas

Forget the concrete
Enhance wall thickness and add endplates at the beam.
After doing a bit of defeaturing (eliminate fillets/holes) and adding to beams at the top
to simulate excentric loading the results are at 5 kN z-load:
stresses lower than 30 MPa, max deflection 0,14 mm.
The structure is very stiff.
My FC-file with cleared mesh:
ASM_FEM_th.FCStd
base_frame.JPG

Your analysis is for the rigidity of the gantry
Although my final structure is not like this
But I can refer to your analysis method

In addition...
Can you assist in providing an analysis with concrete?

thank you for your sharing

[xsuper9988]

which parts of the structure would youlike to analyze?

I found the sample picture
It's like these

https://www.shehong.com.tw/upload/rd7b.jpg

https://www.accutex.com.tw/upload_files ... /High1.JPG

https://d3i71xaburhd42.cloudfront.net/0 ... ure4-1.png

https://www.datron.com/wp-content/uploa ... gidity.png

[bernd]

The problem will be the mesh on such geometrical complicated structures. If you get it meshed you can analyse it. Thus try to mesh what you would like to analyse. Check the mesh. If the solver refuses to analyze it, you need to get rid of geometrical problems. Use the Part --> geometry check first. If this fails it is common the mesher has problems too.

Would be cool if you would be able to mesh such a structure inside FreeCAD. We would be on the same stair step as ANSYS

Keep us informed with pics.

[thschrader]

In addition...
Can you assist in providing an analysis with concrete?

Steel hollow beam with concrete filling.
Be patient, inp writing needs 4 min.
See stress-plot, the effect of the concrete is nearly zero.

File with cleared mesh:

beam_concrete.FCStd

(18.44 KiB) Downloaded 29 times

Done with:
OS: Windows 10 Version 1909
Word size of FreeCAD: 64-bit
Version: 0.20.25065 (Git)
Build type: Release
Branch: master
Hash: 4de2ad46b2b9c78ac2721a0dbea7c19306261095
Python version: 3.8.6+
Qt version: 5.15.2
Coin version: 4.0.1
OCC version: 7.5.0
Locale: German/Germany (de_DE)

example.JPG (46.77 KiB) Viewed 1069 times

[xsuper9988]

The problem will be the mesh on such geometrical complicated structures. If you get it meshed you can analyse it. Thus try to mesh what you would like to analyse. Check the mesh. If the solver refuses to analyze it, you need to get rid of geometrical problems. Use the Part --> geometry check first. If this fails it is common the mesher has problems too.

Would be cool if you would be able to mesh such a structure inside FreeCAD. We would be on the same stair step as ANSYS

Keep us informed with pics.

Yeah, so...
Do you know any other software that can analyze machinery?
Can you give me a list?

For analysis in FREECAD
Do you have other suggestions?

Thank you very much

[xsuper9988]

In addition...
Can you assist in providing an analysis with concrete?

Steel hollow beam with concrete filling.
Be patient, inp writing needs 4 min.
See stress-plot, the effect of the concrete is nearly zero.

File with cleared mesh:
beam_concrete.FCStd


Done with:
OS: Windows 10 Version 1909
Word size of FreeCAD: 64-bit
Version: 0.20.25065 (Git)
Build type: Release
Branch: master
Hash: 4de2ad46b2b9c78ac2721a0dbea7c19306261095
Python version: 3.8.6+
Qt version: 5.15.2
Coin version: 4.0.1
OCC version: 7.5.0
Locale: German/Germany (de_DE)
example.JPG

I will test again
Thank you very much