[CIG-SHORT] error with mesh dimensions

[Matthew Knepley]

On Tue, Sep 27, 2016 at 10:12 AM, Francisco Delgado <fjd49 at cornell.edu>
wrote:

> Hi Matt, thanks, I changed the length scale for normalisation to something
> akin to the smallest elements and now the simulation runs!
>

Glad its working now.

  Thanks,

     Matt


> On Tue, Sep 27, 2016 at 11:05 AM, Matthew Knepley <knepley at rice.edu>
> wrote:
>
>> On Tue, Sep 27, 2016 at 9:58 AM, Francisco Delgado <fjd49 at cornell.edu>
>> wrote:
>>
>>> Ok, the error occurs when I decrease by half the size of the triangles
>>> in the wall cavities, but why??
>>>
>>
>> To PyLith, your cells look very small, because they are being normalized
>> by a large volume.
>>
>> This is discussed in Section 4.1.3.1 of the manual
>>
>>   Thanks,
>>
>>      Matt
>>
>> On Tue, Sep 27, 2016 at 10:53 AM, Francisco Delgado <fjd49 at cornell.edu>
>>> wrote:
>>>
>>>> Ok, the error occurs when I decrease by half the size of the triangles
>>>> in the wall cavities.
>>>>
>>>> On Tue, Sep 27, 2016 at 10:49 AM, Francisco Delgado <fjd49 at cornell.edu>
>>>> wrote:
>>>>
>>>>> Hi, I don't know what's that. Can you explain me a little the issue??
>>>>>
>>>>> On Tue, Sep 27, 2016 at 10:48 AM, Matthew Knepley <knepley at rice.edu>
>>>>> wrote:
>>>>>
>>>>>> On Tue, Sep 27, 2016 at 9:46 AM, Francisco Delgado <fjd49 at cornell.edu
>>>>>> > wrote:
>>>>>>
>>>>>>> Dear Pylith developers,
>>>>>>> I'm trying to run a simulation of a pressurised sphere surrounded by
>>>>>>> a viscoelastic shell and I get the following error
>>>>>>>
>>>>>>> *RuntimeError: Determinant of Jacobian (7.65279e-07) for cell 40 is
>>>>>>> smaller than minimum permissible value (1e-06)!*
>>>>>>>
>>>>>>> *The two most likely causes of this are highly distorted cells and
>>>>>>> nondimensionalization with a length scale that is much larger than the
>>>>>>> dimensions of the cells.*
>>>>>>>
>>>>>>> How can I solve it??
>>>>>>>
>>>>>>
>>>>>> Is your non-dimensionalization length right for your domain?
>>>>>>
>>>>>>    Matt
>>>>>>
>>>>>>
>>>>>>> Thanks
>>>>>>>
>>>>>>> --
>>>>>>> --------------------------------------------------------
>>>>>>> Francisco Delgado
>>>>>>> PhD student in Geological Sciences
>>>>>>> Cornell University
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> CIG-SHORT mailing list
>>>>>>> CIG-SHORT at geodynamics.org
>>>>>>> http://lists.geodynamics.org/cgi-bin/mailman/listinfo/cig-short
>>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> CIG-SHORT mailing list
>>>>>> CIG-SHORT at geodynamics.org
>>>>>> http://lists.geodynamics.org/cgi-bin/mailman/listinfo/cig-short
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> --------------------------------------------------------
>>>>> Francisco Delgado
>>>>> PhD student in Geological Sciences
>>>>> Cornell University
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> --------------------------------------------------------
>>>> Francisco Delgado
>>>> PhD student in Geological Sciences
>>>> Cornell University
>>>>
>>>
>>>
>>>
>>> --
>>> --------------------------------------------------------
>>> Francisco Delgado
>>> PhD student in Geological Sciences
>>> Cornell University
>>>
>>> _______________________________________________
>>> CIG-SHORT mailing list
>>> CIG-SHORT at geodynamics.org
>>> http://lists.geodynamics.org/cgi-bin/mailman/listinfo/cig-short
>>>
>>
>>
>> _______________________________________________
>> CIG-SHORT mailing list
>> CIG-SHORT at geodynamics.org
>> http://lists.geodynamics.org/cgi-bin/mailman/listinfo/cig-short
>>
>
>
>
> --
> --------------------------------------------------------
> Francisco Delgado
> PhD student in Geological Sciences
> Cornell University
>
> _______________________________________________
> CIG-SHORT mailing list
> CIG-SHORT at geodynamics.org
> http://lists.geodynamics.org/cgi-bin/mailman/listinfo/cig-short
>
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