[CIG-SHORT] Anisotropy with Pylith

[Charles Williams]

Hi Surendra,

Just to follow up on my previous reply, the new release of PyLith (should be in June) will make it much easier to add new materials.  We don’t presently have any plans to put in anisotropy, but hopefully it will be very simple to include for someone else with the new release.

Cheers,
Charles


> On 4/04/2017, at 4:35 AM, Surendra Nadh Somala <surendra at iith.ac.in> wrote:
> 
> Hi Charles,
> 
> Yes, I'm trying to a solve a problem for which Pylith is an ideal tool because of its ability to use tetrahedrons and output stresses as well as strains for the entire domain.  However, the material is crystalline in nature with different properties along each direction and so 3DIsotropic material of Pylith is not useful.
> 
> It is a simple elasto-static problem.  So, even the other material models aren't of much use.
> 
> It would be great if Pylith could allow of at least simplest of the anisotropies to begin with.  I guess this is going to take while given that a new version of Pylith has just been released.
> 
> Thanks and Regards,
> Surendra
> 
> 
> 
> 
> ___________
> Surendra Nadh Somala
> Assistant Professor
> Department of Civil Engineering (Block-E, 208)
> Indian Institute of Technology (IIT) Hyderabad
> Kandi, Sangareddy
> Telangana, India - 502285
> Phone : +91 (0)40 2301-8457 
> http://www.iith.ac.in/~surendra/ <http://www.iith.ac.in/~surendra/> 
> 
> On Mon, Apr 3, 2017 at 4:20 AM, Charles Williams <willic3 at gmail.com <mailto:willic3 at gmail.com>> wrote:
> Hi Surendra,
> 
> Not yet.  Do you have a need for it?  It’s something I’ve thought about putting in previously, but there never seemed to be much demand for it.
> 
> Cheers,
> Charles
> 
> 
>> On 3/04/2017, at 12:01 AM, Surendra Nadh Somala <surendra at iith.ac.in <mailto:surendra at iith.ac.in>> wrote:
>> 
>> Hi Charles,
>> 
>> Can Pylith handle anisotropy?  (i.e, MORE than just lambda, mu).  If so, is there an example problem or how do I set that in .cfg file?
>> 
>> Thanks and Regards,
>> Surendra
>> 
>> ___________
>> Surendra Nadh Somala
>> Assistant Professor
>> Department of Civil Engineering (Block-E, 208)
>> Indian Institute of Technology (IIT) Hyderabad
>> Kandi, Sangareddy
>> Telangana, India - 502285
>> Phone : +91 (0)40 2301-8457 
>> http://www.iith.ac.in/~surendra/ <http://www.iith.ac.in/~surendra/> 
> 
> Charles Williams I Geodynamic Modeler
> GNS Science I Te Pῡ Ao
> 1 Fairway Drive, Avalon 5010, PO Box 30368, Lower Hutt 5040, New Zealand
> Ph 0064-4-570-4566 I Mob 0064-22-350-7326 I Fax 0064-4-570-4600
> http://www.gns.cri.nz/ <http://www.gns.cri.nz/> I Email: C.Williams at gns.cri.nz <mailto:your.email at gns.cri.nz>
> 

Charles Williams I Geodynamic Modeler
GNS Science I Te Pῡ Ao
1 Fairway Drive, Avalon 5010, PO Box 30368, Lower Hutt 5040, New Zealand
Ph 0064-4-570-4566 I Mob 0064-22-350-7326 I Fax 0064-4-570-4600
http://www.gns.cri.nz/ <http://www.gns.cri.nz/> I Email: C.Williams at gns.cri.nz <mailto:your.email at gns.cri.nz>
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