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by josheeg
Wed Aug 08, 2018 2:59 am
Forum: FEM
Topic: Assembly2 assembly meshing of boolion unioned parts min size .1 in or .05" in never seems to finish windows shows not re
Replies: 33
Views: 1928

Assembly2 assembly meshing of boolion unioned parts min size .1 in or .05" in never seems to finish windows shows not re

Assembly2 assembly meshing of boolion unioned parts min size .1 in or .05" in never seems to finish windows shows not responding. ??? :?: :geek: :ugeek:
received_2242953019053045.png
received_2242953019053045.png (186.64 KiB) Viewed 634 times
by josheeg
Wed Aug 08, 2018 12:54 am
Forum: FEM
Topic: fem analisys on carbon tube specs?
Replies: 30
Views: 1382

Re: fem analisys on carbon tube specs?

It says freecad not responding in windows any idea what I might be doing wrong?
by josheeg
Sun Aug 05, 2018 5:49 pm
Forum: FEM
Topic: fem analisys on carbon tube specs?
Replies: 30
Views: 1382

Re: fem analisys on carbon tube specs?

here is the photo win 10 freecad 0.17
running after error running in auto running at .1" in max size. tube thickness is .1" so maby .05" would be needed but realy slow.
frame analysis.png
frame analysis.png (177.01 KiB) Viewed 246 times
by josheeg
Sun Aug 05, 2018 5:47 pm
Forum: FEM
Topic: fem analisys on carbon tube specs?
Replies: 30
Views: 1382

Re: fem analisys on carbon tube specs?

I am trying to run a analysis on this frame it is taking a long time at max size .1 in but .05 is very long and .1 is the thickness of the tube in 3d.
by josheeg
Fri Aug 03, 2018 4:45 am
Forum: FEM
Topic: fem analisys on carbon tube specs?
Replies: 30
Views: 1382

Re: fem analisys on carbon tube specs?

the skeleton frame is the assembly and I can only add so many files per post so this and the previous one.
THanks. :mrgreen: :geek: :ugeek:
by josheeg
Fri Aug 03, 2018 4:44 am
Forum: FEM
Topic: fem analisys on carbon tube specs?
Replies: 30
Views: 1382

Re: fem analisys on carbon tube specs?

Ok assembly2 requires different parts and then the assembly file so I will send the parts and the assembly2 workbench file.
windows 10 freecad .17
This is a carbon fiber tube frame from dragon plate allred in NY state.
by josheeg
Thu Aug 02, 2018 4:49 pm
Forum: FEM
Topic: fem analisys on carbon tube specs?
Replies: 30
Views: 1382

Re: fem analisys on carbon tube specs?

Wow now things are going :D thanks.
Ok one more question I am using win 10 freecad 0.17
I get a error when I try to do analysis on a assembly2 assembly of tubes the id is 0.4" in and the connector od is 0.4in".

assemblyfem.png
assemblyfem.png (183.49 KiB) Viewed 337 times
by josheeg
Thu Aug 02, 2018 5:19 am
Forum: FEM
Topic: fem analisys on carbon tube specs?
Replies: 30
Views: 1382

Re: fem analisys on carbon tube specs?

Here is the error with a tube and fem on the ends that are octagons. I will include the file the error and the pic windows 10 freecad .17 circleerrorgmesh.png octogonendswithcirculartubegmesh.FCStd 0.0: We are going to start ... 0.0: Start Gmsh ... 1.5: Gmsh had warnings ... 1.5: Warning : :-( There...
by josheeg
Thu Aug 02, 2018 5:00 am
Forum: FEM
Topic: fem analisys on carbon tube specs?
Replies: 30
Views: 1382

Re: fem analisys on carbon tube specs?

I was able to get it to work with polygons not circle maby circle and auto settings do not work with fem well.
by josheeg
Thu Aug 02, 2018 4:37 am
Forum: FEM
Topic: fem analisys on carbon tube specs?
Replies: 30
Views: 1382

Re: fem analisys on carbon tube specs?

I am running windows 10 and freecad 0.17 and the max and min element sizes are 0.0 both of them that equals auto. But maby selecting the circle part and putting a force on it. does not mesh in gmesh ok because it is not closed manafold correctly. The outside identified or something? Here is the file...

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