[CIG-SHORT] Is there a good way to output the stress of groundsurface

[Charles Williams]

Dear Mingdong,

The difficulty is that stresses and strains are not computed at vertices, but are instead computed at the cell integration points (centroids for a linear tetrahedra).  If you want the values at a subset of cells, you would have to define a separate block for that set of cells.  If you need the stresses at vertices, you would need to interpolate.  Alternatively, if your ground surface is flat, you could just take a horizontal slice in Paraview just below the surface, and export those stresses.  I haven’t actually tried this, but I think it should work.  I’m not sure, but I think you will end up with a regular grid of points.

Cheers,
Charles


On 20/07/2014, at 2:50 am, LMD <lmdofls at 126.com> wrote:

> Hi Brand and Charles:
>    In the 3D model, is there a good way to output the stress of groundsurface as the displacement did? We know it's easy to get the displacement of groundsurface from h5 file, step01-groundsurf.h5 for example.
> 
> Regards
> Mingdong
> 
> 
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Charles A. Williams
Scientist
GNS Science
1 Fairway Drive, Avalon
PO Box 30368
Lower Hutt  5040
New Zealand
ph (office): 0064-4570-4566
fax (office): 0064-4570-4600
C.Williams at gns.cri.nz

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