Thanks Katharina. I have accepted this already. Hua
···
-----Ursprüngliche Nachricht-----
Von: ogs-users@googlegroups.com [mailto:ogs-users@googlegroups.com] Im Auftrag von Katharina Benisch
Gesendet: Donnerstag, 16. Januar 2014 12:03
An: ogs-users@googlegroups.com
Betreff: Re: [ogs-users] Bugs fixed --> there are still some
Dear Hua,
as I know from Wenqing, output is in X and Y for H2M, even if you use X-Z-section. Maybe it's the same for Richards flow.
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There is another shortcoming in OGS5 for output 2D deformation result.
Here are tips:
*Telplot: Whichever a coordinate system is chosen for 2D plane strain deformation analysis, i.e. (x, y, 0) or (x, 0, z), the output for this problem always uses x and y coordinates. In that way, the results of a 2D deformation problems are ux, uy; strain_xx, strain_yy, strain_xy; stress_xx, , stress_yy, , stress_zz (off-plane direction), stress_xy.
*PVD of Paraview: Displacements are stick to coordinates in the manner:
(x, y, 0) makes output of ux and uy while (x, 0, z) makes output of ux and uz. Strain and stress are 'strain_xx, strain_yy, strain_xy; stress_xx, , stress_yy, , stress_zz (off-plane direction), stress_xy'.
Therefore, I suggest to use (x, 0, z) coordinates for your 2D example, and check the result of uz according to the above description.
--------------------------------
Cheers
Katharina
Katharina Benisch
Diplom-Geologin
Abteilung Geohydromodellierung
Institut für Geowissenschaften, Raum 351 Christian-Albrechts-Universität Kiel Ludewig-Meyn-Strasse 10, 24118 Kiel
Tel.: 0431-880 1347
Fax.: 0431-880 6706
Web: www.gpi.uni-kiel.de
Am 16.01.2014 11:56, schrieb Shao, Hua:
Dear all
We are currently using Richards-model for one project. Based on some Benchmark-example, e.g. Foryth, we got a very quick start. However, we have also problems as:
1. 2D problem doesn't work if the problem in y-z coordinate system
2. Definition of coordinate system is quite confuse, i.e. 2D problem in x-z section, output of velocity is ux, uy
3. The calculation of velocity is with great uncertainty: in some test cases, we got even vx=vy (???) in the output file.
Does anyone have an idea or experience on the 'RICHARD's flow'?
Hua
-----Ursprüngliche Nachricht-----
Von: ogs-users@googlegroups.com [mailto:ogs-users@googlegroups.com] Im
Auftrag von Wenqing Wang
Gesendet: Dienstag, 14. Januar 2014 12:55
An: ogs-users@googlegroups.com
Betreff: [ogs-users] Bugs fixed
Dear all,
If you solve THM coupling problem with deactivated domains, please patch your source code with my today's commits , which contain the bug fixing for the boundary condition assignment.
Wenqing
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