[CIG-SHORT] error with mesh dimensions

[Francisco Delgado]

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

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
>>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
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>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> --------------------------------------------------------
>>>> 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
>>
>
>
> _______________________________________________
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>



-- 
--------------------------------------------------------
Francisco Delgado
PhD student in Geological Sciences
Cornell University
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