Die Suche ergab 69 Treffer
- Mo 7. Mai 2012, 09:09
- Forum: Preprocessing
- Thema: All about tetrahedron meshing
- Antworten: 18
- Zugriffe: 18279
Re: FE rules in a T16 mesh
Martin: What I did was to deselect de option "picking with middle nodes" at the options menu, and then selected the nodes with the window tool (holding the shift key and moving the window with the mouse). In fact the nodes to select were those of the inside of a hole. I applied then the fo...
- So 6. Mai 2012, 17:27
- Forum: Preprocessing
- Thema: All about tetrahedron meshing
- Antworten: 18
- Zugriffe: 18279
Re: FE rules in a T16 mesh
Sorry, I found the answer. Forces don't apply at middle points (T16). Yes... the Theory Guide... I know...
- Fr 4. Mai 2012, 15:47
- Forum: Preprocessing
- Thema: All about tetrahedron meshing
- Antworten: 18
- Zugriffe: 18279
All about tetrahedron meshing
In a T16 (Tetgen) meshed model, the application of a set of forces in the mode "calculation with FE rules" seems not to work (don't "apply", don't "save"). It only does in the mode "same value for every node". At the same model, meshed with T17 (Netgen), the m...
- Sa 28. Apr 2012, 05:17
- Forum: Preprocessing
- Thema: Randbedingung für Drehpunkt
- Antworten: 10
- Zugriffe: 4354
Re: Randbedingung für Drehpunkt
YES! I corrected the header number (actually it had to be 2134) and the results look now very coherent. As I told you, to obtain a "composed" z88i5 file, I merged two partial files and in the new one remained the header number of one of them. Again, thanks a lot for your patience and your ...
- Fr 27. Apr 2012, 16:23
- Forum: Preprocessing
- Thema: Randbedingung für Drehpunkt
- Antworten: 10
- Zugriffe: 4354
Re: Randbedingung für Drehpunkt
Certainly I sent you a cut out but your clue about the first number is the right answer. The total of loads is more than 344. Let me try to correct this issue and then I'll comment you the results. If I not get a satisfactory one I'll send you the whole file.
Thanks a lot for your support.
Thanks a lot for your support.
- Fr 27. Apr 2012, 14:06
- Forum: Preprocessing
- Thema: Randbedingung für Drehpunkt
- Antworten: 10
- Zugriffe: 4354
Re: Randbedingung für Drehpunkt
Thank you very much M. Frisch for your answer. You’re right about the statical indetermination (I’ve forgotten that condition). About "composing" z88i5 files, I use to try different loads in the same project by editing the file in the Notepad, changing the pressure values, and saving them,...
- Fr 27. Apr 2012, 03:10
- Forum: Preprocessing
- Thema: Randbedingung für Drehpunkt
- Antworten: 10
- Zugriffe: 4354
Re: Randbedingung für Drehpunkt
"...ann koennen Sie keine Rotationsfreiheitsgrade sperren, weil's die gar nicht gibt: Volumenelemente haben immer nur die 3 Verschiebungsfreiheitsgrade in X, Y und Z..."[/i] Could then conclude that with tetrahedral meshes only "constraints in all directions" can be applied? If s...
- Do 19. Apr 2012, 14:49
- Forum: Preprocessing
- Thema: Tetrahedrons 16 or 17?
- Antworten: 3
- Zugriffe: 2113
Re: Tetrahedrons 16 or 17?
Thank you very much. Your comments are realistic and helpful. Regards.
- Do 19. Apr 2012, 03:57
- Forum: Preprocessing
- Thema: Tetrahedrons 16 or 17?
- Antworten: 3
- Zugriffe: 2113
Tetrahedrons 16 or 17?
According to the Theory Guide, tetrahedra 16 allow more acurate results than the 17 ones. The guide explains convincingly the difference in stiffness between them. While NetGen seems to be more consistent than TetGen, I have been able to obtain well-refined tetrahedra 16 meshes in most of the models...