[CIG-SHORT] a question about gammadot0 in RELAX
Sylvain Barbot
sylbar.vainbot at gmail.com
Sat Aug 27 17:56:07 PDT 2016
Hi Minxuan,
For a viscosity of eta=10^18 Pa s and a rigidity of G = 30 x 10^9 Pa, you
have a fluidity of gamma_dot0 = G / eta = 3 x 10^-8 /s ~ 1 /yr.
For a fluidity gammadot_0, the viscosity is eta = G / gammadot_0.
This is all in the documentation and in the man page.
Cheers,
Sylvain
On Saturday, August 27, 2016, Minxuan Feng <fmxorange at gmail.com> wrote:
> Hi,
>
> I am learning how to use RELAX now. I have a question and cannot find the
> answer:
>
> Which parameter response for the viscosity? During the processing, if only
> to change the gammadot0 to find the best fitting viscosities? Gammadot0 is
> the reciprocal of the Maxwell relaxation time, but it is in the unit of yr.
> How does this transfer to viscosity in the unit of Pa or GPa?
>
>
>
> Thank you very much! Looking forward your reply.
>
> Regards
> Minxuan
>
>
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