[CIG-SEISMO] SPECFEM3D_GLOBE manual nondimensionalising

Dimitri Komatitsch komatitsch at lma.cnrs-mrs.fr
Sat Feb 18 09:56:29 PST 2012


Hi Andy,

Thank you very much. I have made the change in the SVN version.

Best regards,

Dimitri.


"Andy Nowacki" <andy.nowacki at bristol.ac.uk> wrote:

> Hi SPECFEM3D_GLOBE developers,
>
> I just wanted to report an error in the SPECFEM3D_GLOBE manual.   
> Certainly from V5.1.1-5.1.3, the value given for nondimensionalising  
> time is the inverse of what it should be.
>
> To elaborate, the units of sqrt(PI*GRAV*RHOAV) are 1/time; instead,  
> the manual should say: 1/sqrt(PI*GRAV*RHOAV)
>
> Below is the contents of a diff file which will correct the manual.
>
> Many thanks,
>
> Andy
>
> $ cat man.diff
> --- manual_SPECFEM3D_GLOBE.tex	2012-02-02 00:30:18.000000000 +0000
> +++ manual_SPECFEM3D_GLOBE_revised.tex	2012-02-15 15:20:18.000000000 +0000
> @@ -3350,7 +3350,7 @@
>  quantity (units)  & non-dimensionalized with \tabularnewline
>  \hline
>  distance (m)  & \texttt{R\_EARTH} \tabularnewline
> -time (s)  &  
> $\sqrt{\texttt{PI}\times\texttt{GRAV}\times\texttt{RHOAV}}$  
> \tabularnewline
> +time (s)  &  
> $1/\sqrt{\texttt{PI}\times\texttt{GRAV}\times\texttt{RHOAV}}$  
> \tabularnewline
>  density (kg/m$^{3}$)  & \texttt{RHOAV} \tabularnewline
>  \hline
>  \end{tabular}
>
> ---
> Dr Andy Nowacki
> andy.nowacki at bristol.ac.uk
>
> Post-Doctoral Research Assistant
> School of Earth Sciences
> University of Bristol
> Wills Memorial Building
> Queen's Road
> Bristol
> BS8 1RJ
> UK
>
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> CIG-SEISMO at geodynamics.org
> http://geodynamics.org/cgi-bin/mailman/listinfo/cig-seismo
>



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