Default time-series outputs

e_kin.TAG

This file contains the kinetic energy of the outer core, defined by

(1)\[\begin{split}\begin{aligned} E_k = \frac{1}{2}\int_V \tilde{\rho}u^2\,{\rm d}V & = E_{pol}+E_{tor} \\ & = \frac{1}{2}\sum_{\ell, m} \ell(\ell+1)\int_{r_i}^{r_o}\frac{1}{\tilde{\rho}}\left[ \frac{\ell(\ell+1)}{r^2}|W_{\ell m}|^2+\left|\frac{{\rm d} W_{\ell m}}{{\rm d} r}\right|^2 \right]\, {\rm d}r \\ & +\frac{1}{2}\sum_{\ell, m} \ell(\ell+1) \int_{r_i}^{r_o}\frac{1}{\tilde{\rho}}|Z_{\ell m}|^2\,{\rm d} r \end{aligned}\end{split}\]

The detailed calculations are done in the subroutine get_e_kin. This file contains the following informations:

No. of column	Contents
1	time
2	poloidal energy
3	toroidal energy
4	axisymmetric poloidal energy
5	axisymmetric toroidal energy
6	equatorially-symmetric poloidal energy
7	equatorially-symmetric toroidal energy
8	equatorially-symmetric and axisymmetric poloidal energy
9	equatorially-symmetric and axisymmetric toroidal energy

This file can be read using MagicTs with the following options:

>>> # To stack all the e_kin.TAG files of the current directory
>>> ts = MagicTs(field='e_kin', all=True)
>>> # To only read e_kin.N0m2
>>> ts = MagicTs(field='e_kin', tag='N0m2')

e_mag_oc.TAG

This file contains the magnetic energy of the outer core, defined by

(2)\[\begin{split}\begin{aligned} E_m = \frac{1}{2}\int_V B^2\,{\rm d}V & = E_{pol}+E_{tor} \\ & = \frac{1}{2}\sum_{\ell, m} \ell(\ell+1)\int_{r_i}^{r_o}\left[ \frac{\ell(\ell+1)}{r^2}|b_{\ell m}|^2+\left|\frac{{\rm d} b_{\ell m}}{{\rm d} r}\right|^2 \right]\, {\rm d}r \\ & +\frac{1}{2}\sum_{\ell, m} \ell(\ell+1) \int_{r_i}^{r_o}|j_{\ell m}|^2\,{\rm d} r \end{aligned}\end{split}\]

The detailed calculations are done in the subroutine get_e_mag. This file contains the following informations:

No. of column	Contents
1	time
2	outer core poloidal energy
3	outer core toroidal energy
4	outer core axisymmetric poloidal energy
5	outer core axisymmetric toroidal energy
6	outside potential field energy
7	outside axisymmetric potential field energy
8	equatorially-aymmetric poloidal energy
9	equatorially-aymmetric toroidal energy
10	equatorially-aymmetric and axisymmetric poloidal energy
11	equatorially-asymmetric and axisymmetric toroidal energy
12	outside potential field energy
13	outside potential field axisymmetric energy

This file can be read using MagicTs with the following options:

>>> # To stack all the e_mag_oc.TAG files of the current directory
>>> ts = MagicTs(field='e_mag_oc', all=True)
>>> # To only read e_mag_oc.N0m2
>>> ts = MagicTs(field='e_mag_oc', tag='N0m2')

e_mag_ic.TAG

This file contains the magnetic energy of the inner core. The detailed calculations are done in the subroutine get_e_mag. This file contains the following informations:

No. of column	Contents
1	time
2	inner core poloidal energy
3	inner core toroidal energy
4	inner core axisymmetric poloidal energy
5	inner core axisymmetric toroidal energy

This file can be read using MagicTs with the following options:

>>> # To stack all the e_mag_ic.TAG files of the current directory
>>> ts = MagicTs(field='e_mag_ic', all=True)
>>> # To only read e_mag_ic.N0m2
>>> ts = MagicTs(field='e_mag_ic', tag='N0m2')

rot.TAG

This files contains the rotation of the inner core and the mantle. Output concerning the rotation of inner core and mantle. This file is written by the subroutine write_rot.

No. of column	Contents
1	time
2	Inner core rotation rate
3	Lorentz torque on inner core
4	viscous torque on inner core
5	mantle rotation rate
6	Lorentz torque on mantle
7	viscous torque on mantle

This file can be read using MagicTs with the following options:

>>> # To stack all the rot.TAG files of the current directory
>>> ts = MagicTs(field='rot', iplot=False, all=True)

dipole.TAG

This file contains several informations about the magnetic dipole. This file is written by the subroutine get_e_mag. The maximum degree used to compute columns 6 and 15 is given by l_geo.

No. of column	Contents
1	time
2	tilt angle (colatitude in degrees) of the dipole
3	longitude (in degress) of dipole-pole
4	relative energy of the axisymmetric dipole
5	relative energy of the axisymmetric dipole at the CMB
6	energy of the axisymmetric dipole at the CMB normalized with the total energy up to spherical harmonic degree and order 11
7	relative energy of the total (axisymmetric and equatorial) dipole
8	relative energy of the total (axisymmetric and equatorial) dipole in the outer core
9	relative energy of the total dipole (axisymmetric and equatorial) at the CMB
10	energy of the total (axisymmetric and equatorial) dipole at the CMB
11	energy of the axisymmetric dipole at the CMB
12	energy of the dipole
13	energy of the axisymmetric dipole
14	magnetic energy at the CMB
15	magnetic energy up to spherical harmonic degree and order 11
16	ratio between equatorial dipole energy and equatorial poloidal energy
17	difference between energy at the CMB and equatorial symmetric energy at the CMB, normalized by energy at the CMB
18	difference between energy at the CMB and axisymmetric energy at the CMB, normalized by energy at the CMB
19	difference between total energy and equatorial symmetric part of the total energy, normalized by the total energy
20	difference between total energy and axisymmetric part of the total energy, normalized by the total energy

This file can be read using MagicTs with the following options:

>>> # To stack all the dipole.TAG files of the current directory
>>> ts = MagicTs(field='dipole', all=True)

par.TAG

This files contains the outputs of several parameters that describe flow and magnetic fields (Reynolds number, Elsasser number, flow lengthscales, etc.). This file is written by the subroutine output.

No. of column	Contents
1	time
2	(magnetic) Reynolds number
3	Elsasser number
4	Local Rossby number Rol
5	Relative geostrophic kinetic energy
6	Total dipolarity
7	CMB dipolarity
8	Axial flow length scale dlV
9	Flow length scale dmV
10	Flow length scale dpV
11	Flow length scale dzV
12	Dissipation length scale lvDiss
13	Dissipation length scale lbDiss
14	Magnetic length scale dlB
15	Magnetic length scale dmB
16	Elsasser number at CMB
17	Local Rol based on non-ax. flow
18	Convective flow length scale dlVc
19	Peak of the poloidal kinetic energy
20	CMB zonal flow at the equator

This file can be read using MagicTs with the following options:

>>> # To stack all the par.TAG files of the current directory
>>> ts = MagicTs(field='par', all=True)