Ok. I will follow your suggestion.

Thanks!


-----Mensaje original-----
De: Martin Beck [mailto:[email protected]] 
Enviado el: martes, 12 de marzo de 2019 05:14 a. m.
Para: Ed Scott Wilson Garcia; DuMuX User Forum
CC: Manuel Coronado Gallardo
Asunto: Re: [DuMuX] Using Biot's Modulus and coefficient in el2p model

Hi Edscott,

I would rather change it l.498ff where the total stresses are calculated.

Cheers,
Martin

On 3/11/19 11:07 PM, Ed Scott Wilson Garcia wrote:
> Hi Martin,
>
> So, that means effectivePressure[eIdx]  should be multiplied by alpha in 
> model.hh:408 to get the correct total and principal stresses in the output 
> files. Correct?
>
> best regards,
>
> Edscott
>
> -----Mensaje original-----
> De: Martin Beck [mailto:[email protected]]
> Enviado el: lunes, 11 de marzo de 2019 04:10 a. m.
> Para: DuMuX User Forum; Ed Scott Wilson Garcia
> CC: Manuel Coronado Gallardo
> Asunto: Re: [DuMuX] Using Biot's Modulus and coefficient in el2p model
>
> Hi Edscott,
>
> yes, the model assumes alpha = 1. If you want to adapt this, you have to 
> change it in the elementvolumevariables.hh, but also for the assembly of the 
> momentum balance equation in localoperator.hh:346 (- alpha * peff instead of 
> - peff).
> The post-processing evaluation of the total stresses and the principal 
> stresses in model.hh also contains this assumption.
>
> Cheers,
> Martin
>
>
> On 3/8/19 9:02 PM, Ed Scott Wilson Garcia wrote:
>> We are now introducing Biot's  modulus into the el2p problem and using this 
>> to calculate Skempton's coefficient instead of the other way around (Biot's 
>> modulus = 1/c0_).
>> In order to obtain the undrained bulk modulus we also need Biot's 
>> coefficient (alpha), so we also provide that in the input file.
>>
>> My question is as follows.
>> To make the use of Biot's coefficient complete, would we also have to modify 
>> the el2p model?
>> Specifically, multiply the divergence of u with alpha in 
>> elementvolumevariables.hh:259?
>>
>> best regards,
>>
>> Edscott
>> _______________________________________________
>> Dumux mailing list
>> [email protected]
>> https://listserv.uni-stuttgart.de/mailman/listinfo/dumux
> --
> *******************************************************
> Martin Beck
> Institute for Modelling Hydraulic and Environmental Systems Department 
> of Hydromechanics and Modelling of Hydrosystems Pfaffenwaldring 61
> D-70569 Stuttgart
>
> Tel.: (+49) 711/ 685-64899
> [email protected]
> *******************************************************
>

--
*******************************************************
Martin Beck
Institute for Modelling Hydraulic and Environmental Systems Department of 
Hydromechanics and Modelling of Hydrosystems Pfaffenwaldring 61
D-70569 Stuttgart

Tel.: (+49) 711/ 685-64899
[email protected]
*******************************************************

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