Calling user defined tensors in fortran in versions 5.0 and 5.2

[mattfalc1997]

I am trying to call in a user-defined tensor and I was wondering if it could be done using field_get_val_v_by_name and what the indexes would be. I am using both versions 5.0 and 5.2.

Thanks in advance

[Yvan Fournier]

Hello,

Yes, that should work. indices in order are xx, yy, zz, xy, yz, xz (for a symmetric tensor; I'd need to check for the non-symmetric case).

Best regards,

Yvan

[mattfalc1997]

Thanks a lot, clarification on the non-symmetric case would be ideal, currently I'm just using the same order as they appear in the listing file.

[Yvan Fournier]

Hello,

For non-symmetric tensors, the order seems to be xx, xy, xy, yx, yy, yz, zx, zy, zz.

There are not so many cases of non-symmetric tensors in the code, but this is at least what I 'grep'ed.

Also, using non-symmetric tensors, if you output a field in the EnSight format, it will be readable by EnSight, but it seems ParaView/VTK might not handle this case (I have to file a bug for this).

Best regards,

Yvan

[mattfalc1997]

Ok thanks again for all the help