mhd

PathDimensionsTypeUnitsDescription

mhd

(alpha)

Magnetohydrodynamic activity, description of perturbed fields and profiles using the Generic Grid Description.

mhd.code

(alpha)

STRUCTURE

Generic decription of the code-specific parameters for the code that has produced this IDS

mhd.code.commit

(alpha)

STR_0D

Unique commit reference of software

mhd.code.description

(alpha)

STR_0D

Short description of the software (type, purpose)

mhd.code.library

(alpha)

[1...N]

STRUCT_ARRAY

List of external libraries used by the code that has produced this IDS

mhd.code.library[:].commit

(alpha)

STR_0D

Unique commit reference of software

mhd.code.library[:].description

(alpha)

STR_0D

Short description of the software (type, purpose)

mhd.code.library[:].name

(alpha)

STR_0D

Name of software

mhd.code.library[:].parameters

(alpha)

STR_0D

List of the code specific parameters in XML format

mhd.code.library[:].repository

(alpha)

STR_0D

URL of software repository

mhd.code.library[:].version

(alpha)

STR_0D

Unique version (tag) of software

mhd.code.name

(alpha)

STR_0D

Name of software generating IDS

mhd.code.output_flag

(alpha)

[mhd.time]

INT_1D

Output flag : 0 means the run is successful, other values mean some difficulty has been encountered, the exact meaning is then code specific. Negative values mean the result shall not be used.

mhd.code.parameters

(alpha)

STR_0D

List of the code specific parameters in XML format

mhd.code.repository

(alpha)

STR_0D

URL of software repository

mhd.code.version

(alpha)

STR_0D

Unique version (tag) of software

mhd.ggd

(alpha)

[mhd.ggd[:].time]

STRUCT_ARRAY

Edge plasma quantities represented using the general grid description, for various time slices.

mhd.ggd[:].a_field_r

(alpha)

[1...N]

STRUCT_ARRAY

T.m

R component of the magnetic vector potential, given on various grid subsets

mhd.ggd[:].a_field_r[:].coefficients

(alpha)

[mhd.ggd[:].a_field_r[:].values,
1...N]

FLT_2D (uncertain)

T.m

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].a_field_r[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].a_field_r[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].a_field_r[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

T.m

One scalar value is provided per element in the grid subset.

mhd.ggd[:].a_field_tor

(alpha)

[1...N]

STRUCT_ARRAY

T.m

Toroidal component of the magnetic vector potential, given on various grid subsets

mhd.ggd[:].a_field_tor[:].coefficients

(alpha)

[mhd.ggd[:].a_field_tor[:].values,
1...N]

FLT_2D (uncertain)

T.m

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].a_field_tor[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].a_field_tor[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].a_field_tor[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

T.m

One scalar value is provided per element in the grid subset.

mhd.ggd[:].a_field_z

(alpha)

[1...N]

STRUCT_ARRAY

T.m

Z component of the magnetic vector potential, given on various grid subsets

mhd.ggd[:].a_field_z[:].coefficients

(alpha)

[mhd.ggd[:].a_field_z[:].values,
1...N]

FLT_2D (uncertain)

T.m

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].a_field_z[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].a_field_z[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].a_field_z[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

T.m

One scalar value is provided per element in the grid subset.

mhd.ggd[:].b_field_r

(alpha)

[1...N]

STRUCT_ARRAY

T

R component of the magnetic field, given on various grid subsets

mhd.ggd[:].b_field_r[:].coefficients

(alpha)

[mhd.ggd[:].b_field_r[:].values,
1...N]

FLT_2D (uncertain)

T

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].b_field_r[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].b_field_r[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].b_field_r[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

T

One scalar value is provided per element in the grid subset.

mhd.ggd[:].b_field_tor

(alpha)

[1...N]

STRUCT_ARRAY

T

Toroidal component of the magnetic field, given on various grid subsets

mhd.ggd[:].b_field_tor[:].coefficients

(alpha)

[mhd.ggd[:].b_field_tor[:].values,
1...N]

FLT_2D (uncertain)

T

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].b_field_tor[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].b_field_tor[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].b_field_tor[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

T

One scalar value is provided per element in the grid subset.

mhd.ggd[:].b_field_z

(alpha)

[1...N]

STRUCT_ARRAY

T

Z component of the magnetic field, given on various grid subsets

mhd.ggd[:].b_field_z[:].coefficients

(alpha)

[mhd.ggd[:].b_field_z[:].values,
1...N]

FLT_2D (uncertain)

T

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].b_field_z[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].b_field_z[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].b_field_z[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

T

One scalar value is provided per element in the grid subset.

mhd.ggd[:].electrons

(alpha)

STRUCTURE

Quantities related to the electrons

mhd.ggd[:].electrons.temperature

(alpha)

[1...N]

STRUCT_ARRAY

eV

Temperature, given on various grid subsets

mhd.ggd[:].electrons.temperature[:].coefficients

(alpha)

[mhd.ggd[:].electrons.temperature[:].values,
1...N]

FLT_2D (uncertain)

eV

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].electrons.temperature[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].electrons.temperature[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].electrons.temperature[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

eV

One scalar value is provided per element in the grid subset.

mhd.ggd[:].j_r

(alpha)

[1...N]

STRUCT_ARRAY

A.m^-2

R component of the current density, given on various grid subsets

mhd.ggd[:].j_r[:].coefficients

(alpha)

[mhd.ggd[:].j_r[:].values,
1...N]

FLT_2D (uncertain)

A.m^-2

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].j_r[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].j_r[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].j_r[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

A.m^-2

One scalar value is provided per element in the grid subset.

mhd.ggd[:].j_tor

(alpha)

[1...N]

STRUCT_ARRAY

A.m^-2

Toroidal component of the current density, given on various grid subsets

mhd.ggd[:].j_tor[:].coefficients

(alpha)

[mhd.ggd[:].j_tor[:].values,
1...N]

FLT_2D (uncertain)

A.m^-2

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].j_tor[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].j_tor[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].j_tor[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

A.m^-2

One scalar value is provided per element in the grid subset.

mhd.ggd[:].j_tor_r

(alpha)

[1...N]

STRUCT_ARRAY

A.m^-1

Toroidal component of the current density multiplied by the local major radius, given on various grid subsets

mhd.ggd[:].j_tor_r[:].coefficients

(alpha)

[mhd.ggd[:].j_tor_r[:].values,
1...N]

FLT_2D (uncertain)

A.m^-1

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].j_tor_r[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].j_tor_r[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].j_tor_r[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

A.m^-1

One scalar value is provided per element in the grid subset.

mhd.ggd[:].j_z

(alpha)

[1...N]

STRUCT_ARRAY

A.m^-2

Z component of the current density, given on various grid subsets

mhd.ggd[:].j_z[:].coefficients

(alpha)

[mhd.ggd[:].j_z[:].values,
1...N]

FLT_2D (uncertain)

A.m^-2

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].j_z[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].j_z[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].j_z[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

A.m^-2

One scalar value is provided per element in the grid subset.

mhd.ggd[:].mass_density

(alpha)

[1...N]

STRUCT_ARRAY

kg.m^-3

Mass density, given on various grid subsets

mhd.ggd[:].mass_density[:].coefficients

(alpha)

[mhd.ggd[:].mass_density[:].values,
1...N]

FLT_2D (uncertain)

kg.m^-3

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].mass_density[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].mass_density[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].mass_density[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

kg.m^-3

One scalar value is provided per element in the grid subset.

mhd.ggd[:].n_i_total

(alpha)

[1...N]

STRUCT_ARRAY

m^-3

Total ion density (sum over ion species and thermal+non-thermal), given on various grid subsets

mhd.ggd[:].n_i_total[:].coefficients

(alpha)

[mhd.ggd[:].n_i_total[:].values,
1...N]

FLT_2D (uncertain)

m^-3

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].n_i_total[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].n_i_total[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].n_i_total[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

m^-3

One scalar value is provided per element in the grid subset.

mhd.ggd[:].phi_potential

(alpha)

[1...N]

STRUCT_ARRAY

V

Electric potential, given on various grid subsets

mhd.ggd[:].phi_potential[:].coefficients

(alpha)

[mhd.ggd[:].phi_potential[:].values,
1...N]

FLT_2D (uncertain)

V

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].phi_potential[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].phi_potential[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].phi_potential[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

V

One scalar value is provided per element in the grid subset.

mhd.ggd[:].psi

(alpha)

[1...N]

STRUCT_ARRAY

Wb

Poloidal flux, given on various grid subsets

mhd.ggd[:].psi[:].coefficients

(alpha)

[mhd.ggd[:].psi[:].values,
1...N]

FLT_2D (uncertain)

Wb

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].psi[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].psi[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].psi[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

Wb

One scalar value is provided per element in the grid subset.

mhd.ggd[:].t_i_average

(alpha)

[1...N]

STRUCT_ARRAY

eV

Ion temperature (averaged on ion species), given on various grid subsets

mhd.ggd[:].t_i_average[:].coefficients

(alpha)

[mhd.ggd[:].t_i_average[:].values,
1...N]

FLT_2D (uncertain)

eV

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].t_i_average[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].t_i_average[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].t_i_average[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

eV

One scalar value is provided per element in the grid subset.

mhd.ggd[:].time

(alpha)

FLT_0D

s

Time

mhd.ggd[:].velocity_parallel

(alpha)

[1...N]

STRUCT_ARRAY

m.s^-1

Parallel (to magnetic field) component of the plasma velocity, given on various grid subsets

mhd.ggd[:].velocity_parallel[:].coefficients

(alpha)

[mhd.ggd[:].velocity_parallel[:].values,
1...N]

FLT_2D (uncertain)

m.s^-1

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].velocity_parallel[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].velocity_parallel[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].velocity_parallel[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

m.s^-1

One scalar value is provided per element in the grid subset.

mhd.ggd[:].velocity_parallel_over_b_field

(alpha)

[1...N]

STRUCT_ARRAY

m.s^-1.T^-1

Parallel (to magnetic field) component of the plasma velocity divided by the modulus of the local magnetic field, given on various grid subsets

mhd.ggd[:].velocity_parallel_over_b_field[:].coefficients

(alpha)

[mhd.ggd[:].velocity_parallel_over_b_field[:].values,
1...N]

FLT_2D (uncertain)

m.s^-1.T^-1

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].velocity_parallel_over_b_field[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].velocity_parallel_over_b_field[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].velocity_parallel_over_b_field[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

m.s^-1.T^-1

One scalar value is provided per element in the grid subset.

mhd.ggd[:].velocity_r

(alpha)

[1...N]

STRUCT_ARRAY

m.s^-1

R component of the plasma velocity, given on various grid subsets

mhd.ggd[:].velocity_r[:].coefficients

(alpha)

[mhd.ggd[:].velocity_r[:].values,
1...N]

FLT_2D (uncertain)

m.s^-1

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].velocity_r[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].velocity_r[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].velocity_r[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

m.s^-1

One scalar value is provided per element in the grid subset.

mhd.ggd[:].velocity_tor

(alpha)

[1...N]

STRUCT_ARRAY

m.s^-1

Toroidal component of the plasma velocity, given on various grid subsets

mhd.ggd[:].velocity_tor[:].coefficients

(alpha)

[mhd.ggd[:].velocity_tor[:].values,
1...N]

FLT_2D (uncertain)

m.s^-1

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].velocity_tor[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].velocity_tor[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].velocity_tor[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

m.s^-1

One scalar value is provided per element in the grid subset.

mhd.ggd[:].velocity_z

(alpha)

[1...N]

STRUCT_ARRAY

m.s^-1

Z component of the plasma velocity, given on various grid subsets

mhd.ggd[:].velocity_z[:].coefficients

(alpha)

[mhd.ggd[:].velocity_z[:].values,
1...N]

FLT_2D (uncertain)

m.s^-1

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].velocity_z[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].velocity_z[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].velocity_z[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

m.s^-1

One scalar value is provided per element in the grid subset.

mhd.ggd[:].vorticity

(alpha)

[1...N]

STRUCT_ARRAY

s^-1

Vorticity, given on various grid subsets

mhd.ggd[:].vorticity[:].coefficients

(alpha)

[mhd.ggd[:].vorticity[:].values,
1...N]

FLT_2D (uncertain)

s^-1

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].vorticity[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].vorticity[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].vorticity[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

s^-1

One scalar value is provided per element in the grid subset.

mhd.ggd[:].vorticity_over_r

(alpha)

[1...N]

STRUCT_ARRAY

m^-1.s^-1

Vorticity divided by the local major radius, given on various grid subsets

mhd.ggd[:].vorticity_over_r[:].coefficients

(alpha)

[mhd.ggd[:].vorticity_over_r[:].values,
1...N]

FLT_2D (uncertain)

m^-1.s^-1

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].vorticity_over_r[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].vorticity_over_r[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].vorticity_over_r[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

m^-1.s^-1

One scalar value is provided per element in the grid subset.

mhd.ggd[:].zeff

(alpha)

[1...N]

STRUCT_ARRAY

-

Effective charge, given on various grid subsets

mhd.ggd[:].zeff[:].coefficients

(alpha)

[mhd.ggd[:].zeff[:].values,
1...N]

FLT_2D (uncertain)

-

Interpolation coefficients, to be used for a high precision evaluation of the physical quantity with finite elements, provided per element in the grid subset (first dimension).

mhd.ggd[:].zeff[:].grid_index

(alpha)

INT_0D

Index of the grid used to represent this quantity

mhd.ggd[:].zeff[:].grid_subset_index

(alpha)

INT_0D

Index of the grid subset the data is provided on. Corresponds to the index used in the grid subset definition: grid_subset(:)/identifier/index

mhd.ggd[:].zeff[:].values

(alpha)

[1...N]

FLT_1D (uncertain)

-

One scalar value is provided per element in the grid subset.

mhd.grid_ggd

(alpha)

[mhd.grid_ggd[:].time]

STRUCT_ARRAY

Grid (using the Generic Grid Description), for various time slices. The timebase of this array of structure must be a subset of the ggd timebase

mhd.grid_ggd[:].grid_subset

(alpha)

[1...N]

STRUCT_ARRAY

Grid subsets

mhd.grid_ggd[:].grid_subset[:].base

(alpha)

[1...N]

STRUCT_ARRAY

Set of bases for the grid subset. For each base, the structure describes the projection of the base vectors on the canonical frame of the grid.

mhd.grid_ggd[:].grid_subset[:].base[:].jacobian

(alpha)

[mhd.grid_ggd[:].grid_subset[:].element]

FLT_1D (uncertain)

mixed

Metric Jacobian

mhd.grid_ggd[:].grid_subset[:].base[:].tensor_contravariant

(alpha)

[mhd.grid_ggd[:].grid_subset[:].element,
1...N,
1...N]

FLT_3D (uncertain)

mixed

Contravariant metric tensor, given on each element of the subgrid (first dimension)

mhd.grid_ggd[:].grid_subset[:].base[:].tensor_covariant

(alpha)

[mhd.grid_ggd[:].grid_subset[:].element,
1...N,
1...N]

FLT_3D (uncertain)

mixed

Covariant metric tensor, given on each element of the subgrid (first dimension)

mhd.grid_ggd[:].grid_subset[:].dimension

(alpha)

INT_0D

Space dimension of the grid subset elements, using the convention 1=nodes, 2=edges, 3=faces, 4=cells/volumes

mhd.grid_ggd[:].grid_subset[:].element

(alpha)

[1...N]

STRUCT_ARRAY

Set of elements defining the grid subset. An element is defined by a combination of objects from potentially all spaces

mhd.grid_ggd[:].grid_subset[:].element[:].object

(alpha)

[1...N]

STRUCT_ARRAY

Set of objects defining the element

mhd.grid_ggd[:].grid_subset[:].element[:].object[:].dimension

(alpha)

INT_0D

Dimension of the object - using the convention 1=nodes, 2=edges, 3=faces, 4=cells/volumes

mhd.grid_ggd[:].grid_subset[:].element[:].object[:].index

(alpha)

INT_0D

Object index

mhd.grid_ggd[:].grid_subset[:].element[:].object[:].space

(alpha)

INT_0D

Index of the space from which that object is taken

mhd.grid_ggd[:].grid_subset[:].identifier

(alpha)

STRUCTURE

Grid subset identifier
0) unspecified : unspecified
1) nodes : All nodes (0D) belonging to the associated spaces, implicit declaration (no need to replicate the grid elements in the grid_subset structure). In case of a structured grid represented with multiple 1D spaces, the order of the implicit elements in the grid_subset follows Fortran ordering, i.e. iterate always on nodes of the first space first, then move to the second node of the second space, ... : [((s1_1 to s1_end), s2_1, s3_1 ... sN_1), (((s1_1 to s1_end), s2_2, s3_1, ... sN_1)), ... ((s1_1 to s1_end), s2_end, s3_end ... sN_end)]
2) edges : All edges (1D) belonging to the associated spaces, implicit declaration (no need to replicate the grid elements in the grid_subset structure)
3) x_aligned_edges : All x-aligned (poloidally) aligned edges belonging to the associated spaces
4) y_aligned_edges : All y-aligned (radially) aligned edges belonging to the associated spaces
5) cells : All cells (2D) belonging to the associated spaces, implicit declaration (no need to replicate the grid elements in the grid_subset structure)
6) x_points : Nodes defining x-points
7) core_cut : y-aligned edges inside the separatrix connecting to the active x-point
8) PFR_cut : y-aligned edges in the private flux region connecting to the active x-point
9) outer_throat : y-aligned edges in the outer SOL connecting to the active x-point
10) inner_throat : y-aligned edges in the inner SOL connecting to the active x-point
11) outer_midplane : y-aligned edges connecting to the node closest to outer midplane on the separatrix
12) inner_midplane : y-aligned edges connecting to the node closest to inner midplane on the separatrix
13) outer_target : y-aligned edges defining the outer target
14) inner_target : y-aligned edges defining the inner target
15) core_boundary : Innermost x-aligned edges
16) separatrix : x-aligned edges defining the active separatrix
17) main_chamber_wall : x-aligned edges defining main chamber wall outside of the divertor regions
18) outer_baffle : x-aligned edges defining the chamber wall of the outer active divertor region
19) inner_baffle : x-aligned edges defining the chamber wall of the inner active divertor region
20) outer_PFR_wall : x-aligned edges defining the private flux region wall of the outer active divertor region
21) inner_PFR_wall : x-aligned edges defining the private flux region wall of the inner active divertor region
22) core : Cells inside the active separatrix
23) sol : Cells defining the main SOL outside of the divertor regions
24) outer_divertor : Cells defining the outer divertor region
25) inner_divertor : Cells defining the inner divertor region
26) core_sol : x-aligned edges defining part of active separatrix separating core and sol
27) full_main_chamber_wall : main_chamber_wall + outer_baffle(s) + inner_baffle(s)
28) full_PFR_wall : outer_PFR__wall(s) + inner_PFR_wall(s)
29) core_cut_X2 : y-aligned edges inside the separatrix connecting to the non-active x-point
30) PFR_cut_X2 : y-aligned edges in the private flux region connecting to the non-active x-point
31) outer_throat_X2 : y-aligned edges in the outer SOL connecting to the non-active x-point
32) inner_throat_X2 : y-aligned edges in the inner SOL connecting to the non-active x-point
33) separatrix_2 : x-aligned edges defining the non-active separatrix
34) outer_baffle_2 : x-aligned edges defining the chamber wall of the outer non-active divertor region
35) inner_baffle_2 : x-aligned edges defining the chamber wall of the inner non-active divertor region
36) outer_PFR_wall_2 : x-aligned edges defining the private flux region wall of the outer non-active divertor region
37) inner_PFR_wall_2 : x-aligned edges defining the private flux region wall of the inner non-active divertor region
38) intra_sep : Cells between the two separatrices
39) outer_divertor_2 : Cells defining the outer inactive divertor region
40) inner_divertor_2 : Cells defining the inner inactive divertor region
41) outer_target_2 : y-aligned edges defining the outer inactive target
42) inner_target_2 : y-aligned edges defining the inner inactive target
43) volumes : All volumes (3D) belonging to the associated spaces, implicit declaration (no need to replicate the grid elements in the grid_subset structure)
44) full_wall : All edges defining walls, baffles, and targets
45) outer_sf_leg_entrance_1 : y-aligned edges defining the SOL entrance of the first snowflake outer leg
46) outer_sf_leg_entrance_2 : y-aligned edges defining the SOL entrance of the third snowflake outer leg
47) outer_sf_pfr_connection_1 : y-aligned edges defining the connection between the outer snowflake entrance and third leg
48) outer_sf_pfr_connection_2 : y-aligned edges defining the connection between the outer snowflake first and second leg
100) magnetic_axis : Point corresponding to the magnetic axis
101) outer_mid_plane_separatrix : Point on active separatrix at outer mid-plane
102) inner_mid_plane_separatrix : Point on active separatrix at inner mid-plane
103) outer_target_separatrix : Point on active separatrix at outer active target
104) inner_target_separatrix : Point on active separatrix at inner active target
105) outer_target_separatrix_2 : Point on non-active separatrix at outer non-active target
106) inner_target_separatrix_2 : Point on non-active separatrix at inner non-active target

mhd.grid_ggd[:].grid_subset[:].identifier.description

(alpha)

STR_0D

Verbose description

mhd.grid_ggd[:].grid_subset[:].identifier.index

(alpha)

INT_0D

Integer identifier (enumeration index within a list). Private identifier values must be indicated by a negative index.

mhd.grid_ggd[:].grid_subset[:].identifier.name

(alpha)

STR_0D

Short string identifier

mhd.grid_ggd[:].grid_subset[:].metric

(alpha)

STRUCTURE

Metric of the canonical frame onto Cartesian coordinates

mhd.grid_ggd[:].grid_subset[:].metric.jacobian

(alpha)

[mhd.grid_ggd[:].grid_subset[:].element]

FLT_1D (uncertain)

mixed

Metric Jacobian

mhd.grid_ggd[:].grid_subset[:].metric.tensor_contravariant

(alpha)

[mhd.grid_ggd[:].grid_subset[:].element,
1...N,
1...N]

FLT_3D (uncertain)

mixed

Contravariant metric tensor, given on each element of the subgrid (first dimension)

mhd.grid_ggd[:].grid_subset[:].metric.tensor_covariant

(alpha)

[mhd.grid_ggd[:].grid_subset[:].element,
1...N,
1...N]

FLT_3D (uncertain)

mixed

Covariant metric tensor, given on each element of the subgrid (first dimension)

mhd.grid_ggd[:].identifier

(alpha)

STRUCTURE

Grid identifier
0) unspecified : unspecified
1) linear : Linear
2) cylinder : Cylindrical geometry (straight in axial direction)
3) limiter : Limiter
4) SN : Single null
5) CDN : Connected double null
6) DDN_bottom : Disconnected double null with inner X-point below the midplane
7) DDN_top : Disconnected double null with inner X-point above the midplane
8) annulus : Annular geometry (not necessarily with straight axis)
9) stellarator_island : Stellarator island geometry
10) structured_spaces : Structured grid represented with multiple spaces of dimension 1
11) LFS_snowflake_minus : Snowflake grid with secondary x point on the low field side, and the secondary separatrix on top of the primary
12) LFS_snowflake_plus : Snowflake grid with secondary x point to the right of the primary, and the secondary separatrix below the primary
100) reference : Refers to a GGD described in another IDS indicated by grid_path. In such a case, do not fill the grid_ggd node of this IDS

mhd.grid_ggd[:].identifier.description

(alpha)

STR_0D

Verbose description

mhd.grid_ggd[:].identifier.index

(alpha)

INT_0D

Integer identifier (enumeration index within a list). Private identifier values must be indicated by a negative index.

mhd.grid_ggd[:].identifier.name

(alpha)

STR_0D

Short string identifier

mhd.grid_ggd[:].path

(alpha)

STR_0D

Path of the grid, including the IDS name, in case of implicit reference to a grid_ggd node described in another IDS. To be filled only if the grid is not described explicitly in this grid_ggd structure. Example syntax: IDS::wall/0/description_ggd(1)/grid_ggd, means that the grid is located in the wall IDS, occurrence 0, with relative path description_ggd(1)/grid_ggd, using Fortran index convention (here : first index of the array)

mhd.grid_ggd[:].space

(alpha)

[1...N]

STRUCT_ARRAY

Set of grid spaces

mhd.grid_ggd[:].space[:].coordinates_type

(alpha)

[1...N]

INT_1D

Type of coordinates describing the physical space, for every coordinate of the space. The size of this node therefore defines the dimension of the space. The meaning of these predefined integer constants can be found in the Data Dictionary under utilities/coordinate_identifier.xml

mhd.grid_ggd[:].space[:].geometry_type

(alpha)

STRUCTURE

Type of space geometry (0: standard, 1:Fourier, >1: Fourier with periodicity)

mhd.grid_ggd[:].space[:].geometry_type.description

(alpha)

STR_0D

Verbose description

mhd.grid_ggd[:].space[:].geometry_type.index

(alpha)

INT_0D

Integer identifier (enumeration index within a list). Private identifier values must be indicated by a negative index.

mhd.grid_ggd[:].space[:].geometry_type.name

(alpha)

STR_0D

Short string identifier

mhd.grid_ggd[:].space[:].identifier

(alpha)

STRUCTURE

Space identifier
0) unspecified : unspecified
1) primary_standard : Primary space defining the standard grid
2) primary_staggered : Primary space defining a grid staggered with respect to the primary standard space
3) secondary_structured : Secondary space defining additional dimensions that extend the primary standard space in a structured way

mhd.grid_ggd[:].space[:].identifier.description

(alpha)

STR_0D

Verbose description

mhd.grid_ggd[:].space[:].identifier.index

(alpha)

INT_0D

Integer identifier (enumeration index within a list). Private identifier values must be indicated by a negative index.

mhd.grid_ggd[:].space[:].identifier.name

(alpha)

STR_0D

Short string identifier

mhd.grid_ggd[:].space[:].objects_per_dimension

(alpha)

[1...N]

STRUCT_ARRAY

Definition of the space objects for every dimension (from one to the dimension of the highest-dimensional objects). The index correspond to 1=nodes, 2=edges, 3=faces, 4=cells/volumes, .... For every index, a collection of objects of that dimension is described.

mhd.grid_ggd[:].space[:].objects_per_dimension[:].geometry_content

(alpha)

STRUCTURE

Content of the ../object/geometry node for this dimension
0) unspecified : unspecified
1) node_coordinates : For nodes : node coordinates
11) node_coordinates_connection : For nodes : node coordinates, then connection length, and distance in the poloidal plane to the nearest solid surface outside the separatrix
21) edge_areas : For edges : contains 3 surface areas after uniform extension in the third dimension of the edges. Geometry(1) and geometry(2) are the projections of that area along the local poloidal and radial coordinate respectively. Geometry(3) is the full surface area of the extended edge
31) face_indices_volume : For faces : coordinates indices (ix, iy) of the face within the structured grid of the code. The third element contains the volume after uniform extension in the third dimension of the faces
32) face_indices_volume_connection : For faces : coordinates indices (ix, iy) of the face within the structured grid of the code. The third element contains the volume after uniform extension in the third dimension of the faces. The fourth element is the connection length. The fifth element is the distance in the poloidal plane to the nearest solid surface outside the separatrix

mhd.grid_ggd[:].space[:].objects_per_dimension[:].geometry_content.description

(alpha)

STR_0D

Verbose description

mhd.grid_ggd[:].space[:].objects_per_dimension[:].geometry_content.index

(alpha)

INT_0D

Integer identifier (enumeration index within a list). Private identifier values must be indicated by a negative index.

mhd.grid_ggd[:].space[:].objects_per_dimension[:].geometry_content.name

(alpha)

STR_0D

Short string identifier

mhd.grid_ggd[:].space[:].objects_per_dimension[:].object

(alpha)

[1...N]

STRUCT_ARRAY

Set of objects for a given dimension

mhd.grid_ggd[:].space[:].objects_per_dimension[:].object[:].boundary

(alpha)

[1...N]

STRUCT_ARRAY

Set of (n-1)-dimensional objects defining the boundary of this n-dimensional object

mhd.grid_ggd[:].space[:].objects_per_dimension[:].object[:].boundary[:].index

(alpha)

INT_0D

Index of this (n-1)-dimensional boundary object

mhd.grid_ggd[:].space[:].objects_per_dimension[:].object[:].boundary[:].neighbours

(alpha)

[1...N]

INT_1D

List of indices of the n-dimensional objects adjacent to the given n-dimensional object. An object can possibly have multiple neighbours on a boundary

mhd.grid_ggd[:].space[:].objects_per_dimension[:].object[:].geometry

(alpha)

[1...N]

FLT_1D (uncertain)

mixed

Geometry data associated with the object, its detailed content is defined by ../../geometry_content. Its dimension depends on the type of object, geometry and coordinate considered.

mhd.grid_ggd[:].space[:].objects_per_dimension[:].object[:].geometry_2d

(alpha)

[1...N,
1...N]

FLT_2D (uncertain)

mixed

2D geometry data associated with the object. Its dimension depends on the type of object, geometry and coordinate considered. Typically, the first dimension represents the object coordinates, while the second dimension would represent the values of the various degrees of freedom of the finite element attached to the object.

mhd.grid_ggd[:].space[:].objects_per_dimension[:].object[:].measure

(alpha)

FLT_0D (uncertain)

m^dimension

Measure of the space object, i.e. physical size (length for 1d, area for 2d, volume for 3d objects,...)

mhd.grid_ggd[:].space[:].objects_per_dimension[:].object[:].nodes

(alpha)

[1...N]

INT_1D

List of nodes forming this object (indices to objects_per_dimension(1)%object(:) in Fortran notation)

mhd.grid_ggd[:].time

(alpha)

FLT_0D

s

Time

mhd.ids_properties

(alpha)

STRUCTURE

Interface Data Structure properties. This element identifies the node above as an IDS

mhd.ids_properties.comment

(alpha)

STR_0D

Any comment describing the content of this IDS

mhd.ids_properties.creation_date

(alpha)

STR_0D

Date at which this data has been produced

mhd.ids_properties.homogeneous_time

(alpha)

INT_0D

This node must be filled (with 0, 1, or 2) for the IDS to be valid. If 1, the time of this IDS is homogeneous, i.e. the time values for this IDS are stored in the time node just below the root of this IDS. If 0, the time values are stored in the various time fields at lower levels in the tree. In the case only constant or static nodes are filled within the IDS, homogeneous_time must be set to 2

mhd.ids_properties.name

(alpha)

STR_0D

User-defined name for this IDS occurrence

mhd.ids_properties.occurrence

INT_0D

mhd.ids_properties.occurrence_type

(alpha)

STRUCTURE

Type of data contained in this occurrence
1) reconstruction : Equilibrium reconstruction
2) prediction_fixed : Equilibrium prediction, fixed boundary
3) prediction_free : Equilibrium prediction, free boundary
4) mapping : Used for mapping equilibrium results from one grid type / resolution to another, or for including variables not present in the first set such as the calculation of magnetic field of other derived parameters

mhd.ids_properties.occurrence_type.description

(alpha)

STR_0D

Verbose description

mhd.ids_properties.occurrence_type.index

(alpha)

INT_0D

Integer identifier (enumeration index within a list). Private identifier values must be indicated by a negative index.

mhd.ids_properties.occurrence_type.name

(alpha)

STR_0D

Short string identifier

mhd.ids_properties.plugins

(alpha)

STRUCTURE

Information about the plugins used to write/read this IDS. This structure is filled automatically by the Access Layer at GET/PUT time, no need to fill it via a user program.

mhd.ids_properties.plugins.infrastructure_get

(alpha)

STRUCTURE

Plugin infrastructure used to GET the data

mhd.ids_properties.plugins.infrastructure_get.commit

(alpha)

STR_0D

Unique commit reference of software

mhd.ids_properties.plugins.infrastructure_get.description

(alpha)

STR_0D

Short description of the software (type, purpose)

mhd.ids_properties.plugins.infrastructure_get.name

(alpha)

STR_0D

Name of software used

mhd.ids_properties.plugins.infrastructure_get.repository

(alpha)

STR_0D

URL of software repository

mhd.ids_properties.plugins.infrastructure_get.version

(alpha)

STR_0D

Unique version (tag) of software

mhd.ids_properties.plugins.infrastructure_put

(alpha)

STRUCTURE

Plugin infrastructure used to PUT the data

mhd.ids_properties.plugins.infrastructure_put.commit

(alpha)

STR_0D

Unique commit reference of software

mhd.ids_properties.plugins.infrastructure_put.description

(alpha)

STR_0D

Short description of the software (type, purpose)

mhd.ids_properties.plugins.infrastructure_put.name

(alpha)

STR_0D

Name of software used

mhd.ids_properties.plugins.infrastructure_put.repository

(alpha)

STR_0D

URL of software repository

mhd.ids_properties.plugins.infrastructure_put.version

(alpha)

STR_0D

Unique version (tag) of software

mhd.ids_properties.plugins.node

(alpha)

[1...N]

STRUCT_ARRAY

Set of IDS nodes for which a plugin has been applied

mhd.ids_properties.plugins.node[:].get_operation

(alpha)

[1...N]

STRUCT_ARRAY

Plugins actually used to read back a node (potentially, multiple plugins can be applied, listed in reverse order of application). This information is filled by the plugin infrastructure during the GET operation.

mhd.ids_properties.plugins.node[:].get_operation[:].commit

(alpha)

STR_0D

Unique commit reference of software

mhd.ids_properties.plugins.node[:].get_operation[:].description

(alpha)

STR_0D

Short description of the software (type, purpose)

mhd.ids_properties.plugins.node[:].get_operation[:].name

(alpha)

STR_0D

Name of software used

mhd.ids_properties.plugins.node[:].get_operation[:].parameters

(alpha)

STR_0D

List of the code specific parameters in XML format

mhd.ids_properties.plugins.node[:].get_operation[:].repository

(alpha)

STR_0D

URL of software repository

mhd.ids_properties.plugins.node[:].get_operation[:].version

(alpha)

STR_0D

Unique version (tag) of software

mhd.ids_properties.plugins.node[:].path

(alpha)

STR_0D

Path of the node within the IDS, following the syntax given in the link below. If empty, means the plugin applies to the whole IDS.

mhd.ids_properties.plugins.node[:].put_operation

(alpha)

[1...N]

STRUCT_ARRAY

Plugins used to PUT a node (potentially, multiple plugins can be applied, if so they are listed by order of application)

mhd.ids_properties.plugins.node[:].put_operation[:].commit

(alpha)

STR_0D

Unique commit reference of software

mhd.ids_properties.plugins.node[:].put_operation[:].description

(alpha)

STR_0D

Short description of the software (type, purpose)

mhd.ids_properties.plugins.node[:].put_operation[:].name

(alpha)

STR_0D

Name of software used

mhd.ids_properties.plugins.node[:].put_operation[:].parameters

(alpha)

STR_0D

List of the code specific parameters in XML format

mhd.ids_properties.plugins.node[:].put_operation[:].repository

(alpha)

STR_0D

URL of software repository

mhd.ids_properties.plugins.node[:].put_operation[:].version

(alpha)

STR_0D

Unique version (tag) of software

mhd.ids_properties.plugins.node[:].readback

(alpha)

[1...N]

STRUCT_ARRAY

Plugins to be used to read back a node (potentially, multiple plugins can be applied, listed in reverse order of application)

mhd.ids_properties.plugins.node[:].readback[:].commit

(alpha)

STR_0D

Unique commit reference of software

mhd.ids_properties.plugins.node[:].readback[:].description

(alpha)

STR_0D

Short description of the software (type, purpose)

mhd.ids_properties.plugins.node[:].readback[:].name

(alpha)

STR_0D

Name of software used

mhd.ids_properties.plugins.node[:].readback[:].parameters

(alpha)

STR_0D

List of the code specific parameters in XML format

mhd.ids_properties.plugins.node[:].readback[:].repository

(alpha)

STR_0D

URL of software repository

mhd.ids_properties.plugins.node[:].readback[:].version

(alpha)

STR_0D

Unique version (tag) of software

mhd.ids_properties.provenance

(alpha)

STRUCTURE

Provenance information about this IDS

mhd.ids_properties.provenance.node

(alpha)

[1...N]

STRUCT_ARRAY

Set of IDS nodes for which the provenance is given. The provenance information applies to the whole structure below the IDS node. For documenting provenance information for the whole IDS, set the size of this array of structure to 1 and leave the child "path" node empty

mhd.ids_properties.provenance.node[:].path

(alpha)

STR_0D

Path of the node within the IDS, following the syntax given in the link below. If empty, means the provenance information applies to the whole IDS.

mhd.ids_properties.provenance.node[:].sources

(alpha)

[1...N]

STR_1D

List of sources used to import or calculate this node, identified as explained below. In case the node is the result of of a calculation / data processing, the source is an input to the process described in the "code" structure at the root of the IDS. The source can be an IDS (identified by a URI or a persitent identifier, see syntax in the link below) or non-IDS data imported directly from an non-IMAS database (identified by the command used to import the source, or the persistent identifier of the data source). Often data are obtained by a chain of processes, however only the last process input are recorded here. The full chain of provenance has then to be reconstructed recursively from the provenance information contained in the data sources.

mhd.ids_properties.provider

(alpha)

STR_0D

Name of the person in charge of producing this data

mhd.ids_properties.source

(obsolescent)

STR_0D

Source of the data (any comment describing the origin of the data : code, path to diagnostic signals, processing method, ...). Superseeded by the new provenance structure.

mhd.ids_properties.version_put

(alpha)

STRUCTURE

Version of the access layer package used to PUT this IDS

mhd.ids_properties.version_put.access_layer

(alpha)

STR_0D

Version of Access Layer used to PUT this IDS

mhd.ids_properties.version_put.access_layer_language

(alpha)

STR_0D

Programming language of the Access Layer high level API used to PUT this IDS

mhd.ids_properties.version_put.data_dictionary

(alpha)

STR_0D

Version of Data Dictionary used to PUT this IDS

mhd.time

(alpha)

[1...N]

FLT_1D_TYPE

s

Generic time