transport_solver_numerics

Numerical quantities used by transport solvers and convergence details

  • Maximum occurrences (MDS+ backend only): 6

New in version 3.1.0: lifecycle status alpha

Changed in version 4.0.0.

ids_propertiesstructure

See common IDS structure reference: ids_properties.

time_stepsstructureInternal time step used by the transport solver (assuming all […]

Internal time step used by the transport solver (assuming all transport equations are solved with the same time step)

time_step/data(:)sFLT_1DData

Data

Coordinate

1

time_step/time

time_step/time(:)sFLT_1DTime

Time

Coordinate

1

1...N

time_step_averagesstructureAverage internal time step used by the transport solver between […]

Average internal time step used by the transport solver between the previous and the current time stored for this quantity (assuming all transport equations are solved with the same time step)

time_step_average/data(:)sFLT_1DData

Data

Coordinate

1

time_step_average/time

time_step_average/time(:)sFLT_1DTime

Time

Coordinate

1

1...N

time_step_minsstructureMinimum internal time step used by the transport solver between […]

Minimum internal time step used by the transport solver between the previous and the current time stored for this quantity (assuming all transport equations are solved with the same time step)

time_step_min/data(:)sFLT_1DData

Data

Coordinate

1

time_step_min/time

time_step_min/time(:)sFLT_1DTime

Time

Coordinate

1

1...N

solverstructureSolver identifier

Solver identifier

solver/nameSTR_0DShort string identifier

Short string identifier

solver/indexINT_0DInteger identifier (enumeration index within a list). […]

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

solver/descriptionSTR_0DVerbose description

Verbose description

primary_coordinatestructurePrimary coordinate system with which the transport equations […]

Primary coordinate system with which the transport equations are solved. For a 1D transport solver: index = 1 means rho_tor_norm; 2 = rho_tor.

primary_coordinate/nameSTR_0DShort string identifier

Short string identifier

primary_coordinate/indexINT_0DInteger identifier (enumeration index within a list). […]

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

primary_coordinate/descriptionSTR_0DVerbose description

Verbose description

solver_1d(itime)AoSNumerics related to 1D radial solver, for various time slices.

Numerics related to 1D radial solver, for various time slices.

Coordinate

1

solver_1d(itime)/time

solver_1d(itime)/gridstructureRadial grid

Radial grid

solver_1d(itime)/grid/rho_tor_norm(:)1FLT_1DNormalized toroidal flux coordinate. […]

Normalized toroidal flux coordinate. The normalizing value for rho_tor_norm, is the toroidal flux coordinate at the equilibrium boundary (LCFS or 99.x % of the LCFS in case of a fixed boundary equilibium calculation, see time_slice/boundary/b_flux_pol_norm in the equilibrium IDS)

Alternatives for this coordinate

The following items may be used as a coordinate instead of rho_tor_norm:

Coordinate

1

1...N

solver_1d(itime)/grid/rho_tor(:)mFLT_1DToroidal flux coordinate = sqrt(phi/(pi\*b0)), where the toroidal […]

Toroidal flux coordinate = sqrt(phi/(pi*b0)), where the toroidal magnetic field, b0, corresponds to that stored in vacuum_toroidal_field/b0 and pi can be found in the IMAS constants

Coordinate

1

solver_1d(itime)/grid/rho_tor_norm (or alternatives)

solver_1d(itime)/grid/rho_pol_norm(:)1FLT_1DNormalized poloidal flux coordinate = sqrt((psi(rho)-psi(magnetic_axis)) […]

Normalized poloidal flux coordinate = sqrt((psi(rho)-psi(magnetic_axis)) / (psi(LCFS)-psi(magnetic_axis)))

Coordinate

1

solver_1d(itime)/grid/rho_tor_norm (or alternatives)

solver_1d(itime)/grid/psi(:)WbFLT_1DPoloidal magnetic flux. […]

Poloidal magnetic flux. Integral of magnetic field passing through a contour defined by the intersection of a flux surface passing through the point of interest and a Z=constant plane. If the integration surface is flat, the surface normal vector is in the increasing vertical coordinate direction, Z, namely upwards.

Coordinate

1

solver_1d(itime)/grid/rho_tor_norm (or alternatives)

solver_1d(itime)/grid/volume(:)m^3FLT_1DVolume enclosed inside the magnetic surface

Volume enclosed inside the magnetic surface

Coordinate

1

solver_1d(itime)/grid/rho_tor_norm (or alternatives)

solver_1d(itime)/grid/area(:)m^2FLT_1DCross-sectional area of the flux surface

Cross-sectional area of the flux surface

Coordinate

1

solver_1d(itime)/grid/rho_tor_norm (or alternatives)

solver_1d(itime)/grid/surface(:)m^2FLT_1DSurface area of the toroidal flux surface

Surface area of the toroidal flux surface

Coordinate

1

solver_1d(itime)/grid/rho_tor_norm (or alternatives)

solver_1d(itime)/grid/psi_magnetic_axisWbFLT_0DValue of the poloidal magnetic flux at the magnetic axis (useful […]

Value of the poloidal magnetic flux at the magnetic axis (useful to normalize the psi array values when the radial grid doesn’t go from the magnetic axis to the plasma boundary)

solver_1d(itime)/grid/psi_boundaryWbFLT_0DValue of the poloidal magnetic flux at the plasma boundary (useful […]

Value of the poloidal magnetic flux at the plasma boundary (useful to normalize the psi array values when the radial grid doesn’t go from the magnetic axis to the plasma boundary)

solver_1d(itime)/equation(i1)AoSSet of transport equations

Set of transport equations

Coordinate

1

1...N

solver_1d(itime)/equation(i1)/primary_quantitystructureProfile and derivatives of the primary quantity of the transport […]

Profile and derivatives of the primary quantity of the transport equation

solver_1d(itime)/equation(i1)/primary_quantity/identifierstructureIdentifier of the primary quantity of the transport equation. […]

Identifier of the primary quantity of the transport equation. The description node contains the path to the quantity in the physics IDS (example: core_profiles/profiles_1d/ion(1)/density)

solver_1d(itime)/equation(i1)/primary_quantity/identifier/nameSTR_0DShort string identifier

Short string identifier

solver_1d(itime)/equation(i1)/primary_quantity/identifier/indexINT_0DInteger identifier (enumeration index within a list). […]

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

solver_1d(itime)/equation(i1)/primary_quantity/identifier/descriptionSTR_0DVerbose description

Verbose description

solver_1d(itime)/equation(i1)/primary_quantity/ion_indexINT_0DIf the primary quantity is related to a ion species, index of […]

If the primary quantity is related to a ion species, index of the corresponding species in the core_profiles/profiles_1d/ion array

solver_1d(itime)/equation(i1)/primary_quantity/neutral_indexINT_0DIf the primary quantity is related to a neutral species, index […]

If the primary quantity is related to a neutral species, index of the corresponding species in the core_profiles/profiles_1d/neutral array

solver_1d(itime)/equation(i1)/primary_quantity/state_indexINT_0DIf the primary quantity is related to a particular state (of […]

If the primary quantity is related to a particular state (of an ion or a neutral species), index of the corresponding state in the core_profiles/profiles_1d/ion (or neutral)/state array

solver_1d(itime)/equation(i1)/primary_quantity/profile(:)mixedFLT_1DProfile of the primary quantity

Profile of the primary quantity

Coordinate

1

solver_1d(itime)/grid/rho_tor_norm (or alternatives)

solver_1d(itime)/equation(i1)/primary_quantity/d_dr(:)mixedFLT_1DRadial derivative with respect to the primary coordinate

Radial derivative with respect to the primary coordinate

Coordinate

1

solver_1d(itime)/grid/rho_tor_norm (or alternatives)

solver_1d(itime)/equation(i1)/primary_quantity/d2_dr2(:)mixedFLT_1DSecond order radial derivative with respect to the primary coordinate

Second order radial derivative with respect to the primary coordinate

Coordinate

1

solver_1d(itime)/grid/rho_tor_norm (or alternatives)

solver_1d(itime)/equation(i1)/primary_quantity/d_dt(:)mixedFLT_1DTime derivative

Time derivative

Coordinate

1

solver_1d(itime)/grid/rho_tor_norm (or alternatives)

solver_1d(itime)/equation(i1)/primary_quantity/d_dt_cphi(:)mixedFLT_1DDerivative with respect to time, at constant toroidal flux (for […]

Derivative with respect to time, at constant toroidal flux (for current diffusion equation)

Coordinate

1

solver_1d(itime)/grid/rho_tor_norm (or alternatives)

solver_1d(itime)/equation(i1)/primary_quantity/d_dt_cr(:)mixedFLT_1DDerivative with respect to time, at constant primary coordinate […]

Derivative with respect to time, at constant primary coordinate coordinate (for current diffusion equation)

Coordinate

1

solver_1d(itime)/grid/rho_tor_norm (or alternatives)

solver_1d(itime)/equation(i1)/computation_modestructureComputation mode for this equation

Computation mode for this equation

This is an identifier. See transport_solver_numerics_computation_mode_identifier for the available options.

solver_1d(itime)/equation(i1)/computation_mode/nameSTR_0DShort string identifier

Short string identifier

solver_1d(itime)/equation(i1)/computation_mode/indexINT_0DInteger identifier (enumeration index within a list). […]

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

solver_1d(itime)/equation(i1)/computation_mode/descriptionSTR_0DVerbose description

Verbose description

solver_1d(itime)/equation(i1)/boundary_condition(i2)AoSSet of boundary conditions of the transport equation

Set of boundary conditions of the transport equation

Coordinate

1

1...N

solver_1d(itime)/equation(i1)/boundary_condition(i2)/typestructureBoundary condition type

Boundary condition type

This is an identifier. See transport_solver_numerics_bc_type_identifier for the available options.

solver_1d(itime)/equation(i1)/boundary_condition(i2)/type/nameSTR_0DShort string identifier

Short string identifier

solver_1d(itime)/equation(i1)/boundary_condition(i2)/type/indexINT_0DInteger identifier (enumeration index within a list). […]

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

solver_1d(itime)/equation(i1)/boundary_condition(i2)/type/descriptionSTR_0DVerbose description

Verbose description

solver_1d(itime)/equation(i1)/boundary_condition(i2)/value(:)mixedFLT_1DValue of the boundary condition. […]

Value of the boundary condition. For type/index = 1 to 3, only the first position in the vector is used. For type/index = 5, all three positions are used, meaning respectively a1, a2, a3.

Coordinate

1

1...3

solver_1d(itime)/equation(i1)/boundary_condition(i2)/positionmixedFLT_0DPosition, in terms of the primary coordinate, at which the boundary […]

Position, in terms of the primary coordinate, at which the boundary condition is imposed. Outside this position, the value of the data are considered to be prescribed (in case of a single boundary condition).

solver_1d(itime)/equation(i1)/coefficient(i2)AoSSet of numerical coefficients involved in the transport equation

Set of numerical coefficients involved in the transport equation

Coordinate

1

1...N

solver_1d(itime)/equation(i1)/coefficient(i2)/profile(:)mixedFLT_1DRadial profile of the numerical coefficient

Radial profile of the numerical coefficient

Coordinate

1

solver_1d(itime)/grid/rho_tor_norm (or alternatives)

solver_1d(itime)/equation(i1)/convergencestructureConvergence details

Convergence details

solver_1d(itime)/equation(i1)/convergence/iterations_nINT_0DNumber of iterations carried out in the convergence loop

Number of iterations carried out in the convergence loop

solver_1d(itime)/equation(i1)/convergence/delta_relativestructureRelative deviation on the primary quantity of the transport equation […]

Relative deviation on the primary quantity of the transport equation between the present and the previous iteration of the solver

solver_1d(itime)/equation(i1)/convergence/delta_relative/value1FLT_0DValue of the relative deviation

Value of the relative deviation

solver_1d(itime)/equation(i1)/convergence/delta_relative/expressionSTR_0DExpression used by the solver to calculate the relative deviation

Expression used by the solver to calculate the relative deviation

solver_1d(itime)/control_parametersstructureSolver-specific input or output quantities

Solver-specific input or output quantities

solver_1d(itime)/control_parameters/integer0d(i1)AoSSet of integer type scalar control parameters

Set of integer type scalar control parameters

Coordinate

1

1...N

solver_1d(itime)/control_parameters/integer0d(i1)/nameSTR_0DName of the control parameter

Name of the control parameter

New in version >3.39.0.

solver_1d(itime)/control_parameters/integer0d(i1)/valueINT_0DValue of the control parameter

Value of the control parameter

solver_1d(itime)/control_parameters/real0d(i1)AoSSet of real type scalar control parameters

Set of real type scalar control parameters

Coordinate

1

1...N

solver_1d(itime)/control_parameters/real0d(i1)/nameSTR_0DName of the control parameter

Name of the control parameter

New in version >3.39.0.

solver_1d(itime)/control_parameters/real0d(i1)/valuemixedFLT_0DValue of the control parameter

Value of the control parameter

solver_1d(itime)/drho_tor_dt(:)m.s^-1FLT_1DPartial derivative of the toroidal flux coordinate profile with […]

Partial derivative of the toroidal flux coordinate profile with respect to time

Coordinate

1

solver_1d(itime)/grid/rho_tor_norm (or alternatives)

solver_1d(itime)/d_dvolume_drho_tor_dt(:)m^2.s^-1FLT_1DPartial derivative with respect to time of the derivative of […]

Partial derivative with respect to time of the derivative of the volume with respect to the toroidal flux coordinate

Coordinate

1

solver_1d(itime)/grid/rho_tor_norm (or alternatives)

solver_1d(itime)/timesFLT_0DTime

Time

boundary_conditions_ggd(itime)AoSBoundary conditions of the transport equations, provided on the […]

Boundary conditions of the transport equations, provided on the GGD, for various time slices

Coordinate

1

boundary_conditions_ggd(itime)/time

boundary_conditions_ggd(itime)/gridstructureGrid description

Grid description

boundary_conditions_ggd(itime)/grid/identifierstructureGrid identifier

Grid identifier

This is an identifier. See ggd_identifier for the available options.

boundary_conditions_ggd(itime)/grid/identifier/nameSTR_0DShort string identifier

Short string identifier

boundary_conditions_ggd(itime)/grid/identifier/indexINT_0DInteger identifier (enumeration index within a list). […]

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

boundary_conditions_ggd(itime)/grid/identifier/descriptionSTR_0DVerbose description

Verbose description

boundary_conditions_ggd(itime)/grid/pathSTR_0DPath of the grid, including the IDS name, in case of implicit […]

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: #wall:2/description_ggd(1)/grid_ggd, means that the grid is located in the wall IDS, occurrence 2, with relative path description_ggd(1)/grid_ggd, using Fortran index convention (here : first index of the array)

Click here for further documentation.

boundary_conditions_ggd(itime)/grid/space(i1)AoSSet of grid spaces

Set of grid spaces

Click here for further documentation (or contact imas@iter.org if you can’t access this page).

Coordinate

1

1...N

boundary_conditions_ggd(itime)/grid/space(i1)/identifierstructureSpace identifier

Space identifier

This is an identifier. See ggd_space_identifier for the available options.

boundary_conditions_ggd(itime)/grid/space(i1)/identifier/nameSTR_0DShort string identifier

Short string identifier

boundary_conditions_ggd(itime)/grid/space(i1)/identifier/indexINT_0DInteger identifier (enumeration index within a list). […]

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

boundary_conditions_ggd(itime)/grid/space(i1)/identifier/descriptionSTR_0DVerbose description

Verbose description

boundary_conditions_ggd(itime)/grid/space(i1)/geometry_typestructureType of space geometry (0: standard, 1:Fourier, >1: Fourier with […]

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

boundary_conditions_ggd(itime)/grid/space(i1)/geometry_type/nameSTR_0DShort string identifier

Short string identifier

boundary_conditions_ggd(itime)/grid/space(i1)/geometry_type/indexINT_0DInteger identifier (enumeration index within a list). […]

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

boundary_conditions_ggd(itime)/grid/space(i1)/geometry_type/descriptionSTR_0DVerbose description

Verbose description

boundary_conditions_ggd(itime)/grid/space(i1)/coordinates_type(i2)AoSType of coordinates describing the physical space, for every […]

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.

This is an identifier. See coordinate_identifier for the available options.

Coordinate

1

1...N

Changed in version 4.0.0: Type changed from INT_1D

boundary_conditions_ggd(itime)/grid/space(i1)/coordinates_type(i2)/nameSTR_0DShort string identifier

Short string identifier

boundary_conditions_ggd(itime)/grid/space(i1)/coordinates_type(i2)/indexINT_0DInteger identifier (enumeration index within a list). […]

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

boundary_conditions_ggd(itime)/grid/space(i1)/coordinates_type(i2)/descriptionSTR_0DVerbose description

Verbose description

boundary_conditions_ggd(itime)/grid/space(i1)/objects_per_dimension(i2)AoSDefinition of the space objects for every dimension (from one […]

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.

Coordinate

1

1...N

boundary_conditions_ggd(itime)/grid/space(i1)/objects_per_dimension(i2)/object(i3)AoSSet of objects for a given dimension

Set of objects for a given dimension

Coordinate

1

1...N

boundary_conditions_ggd(itime)/grid/space(i1)/objects_per_dimension(i2)/object(i3)/boundary(i4)AoSSet of (n-1)-dimensional objects defining the boundary of this […]

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

Coordinate

1

1...N

boundary_conditions_ggd(itime)/grid/space(i1)/objects_per_dimension(i2)/object(i3)/boundary(i4)/indexINT_0DIndex of this (n-1)-dimensional boundary object

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

boundary_conditions_ggd(itime)/grid/space(i1)/objects_per_dimension(i2)/object(i3)/boundary(i4)/neighbours(:)INT_1DList of indices of the n-dimensional objects adjacent to the […]

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

Coordinate

1

1...N

boundary_conditions_ggd(itime)/grid/space(i1)/objects_per_dimension(i2)/object(i3)/geometry(:)mixedFLT_1DGeometry data associated with the object, its detailed content […]

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.

Coordinate

1

1...N

boundary_conditions_ggd(itime)/grid/space(i1)/objects_per_dimension(i2)/object(i3)/nodes(:)INT_1DList of nodes forming this object (indices to objects_per_dimension(1)%object(:) […]

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

Coordinate

1

1...N

boundary_conditions_ggd(itime)/grid/space(i1)/objects_per_dimension(i2)/object(i3)/measurem^dimensionFLT_0DMeasure of the space object, i.e. […]

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

boundary_conditions_ggd(itime)/grid/space(i1)/objects_per_dimension(i2)/object(i3)/geometry_2d(:,:)mixedFLT_2D2D geometry data associated with the object. […]

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.

Coordinate

1

1...N

2

1...N

New in version >3.35.0.

boundary_conditions_ggd(itime)/grid/space(i1)/objects_per_dimension(i2)/geometry_contentstructureContent of the ../object/geometry node for this dimension

Content of the ../object/geometry node for this dimension

This is an identifier. See ggd_geometry_content_identifier for the available options.

New in version >3.33.0.

boundary_conditions_ggd(itime)/grid/space(i1)/objects_per_dimension(i2)/geometry_content/nameSTR_0DShort string identifier

Short string identifier

boundary_conditions_ggd(itime)/grid/space(i1)/objects_per_dimension(i2)/geometry_content/indexINT_0DInteger identifier (enumeration index within a list). […]

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

boundary_conditions_ggd(itime)/grid/space(i1)/objects_per_dimension(i2)/geometry_content/descriptionSTR_0DVerbose description

Verbose description

boundary_conditions_ggd(itime)/grid/grid_subset(i1)AoSGrid subsets

Grid subsets

Coordinate

1

1...N

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/identifierstructureGrid subset identifier

Grid subset identifier

Click here for further documentation.

This is an identifier. See ggd_subset_identifier for the available options.

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/identifier/nameSTR_0DShort string identifier

Short string identifier

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/identifier/indexINT_0DInteger identifier (enumeration index within a list). […]

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

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/identifier/descriptionSTR_0DVerbose description

Verbose description

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/dimensionINT_0DSpace dimension of the grid subset elements, using the convention […]

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

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/element(i2)AoSSet of elements defining the grid subset. […]

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

Coordinate

1

1...N

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/element(i2)/object(i3)AoSSet of objects defining the element

Set of objects defining the element

Coordinate

1

1...N

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/element(i2)/object(i3)/spaceINT_0DIndex of the space from which that object is taken

Index of the space from which that object is taken

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/element(i2)/object(i3)/dimensionINT_0DDimension of the object - using the convention 1=nodes, 2=edges, […]

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

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/element(i2)/object(i3)/indexINT_0DObject index

Object index

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/base(i2)AoSSet of bases for the grid subset. […]

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.

Coordinate

1

1...N

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/base(i2)/jacobian(:)mixedFLT_1DMetric Jacobian

Metric Jacobian

Coordinate

1

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/element

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/base(i2)/tensor_covariant(:,:,:)mixedFLT_3DCovariant metric tensor, given on each element of the subgrid […]

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

Coordinate

1

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/element

2

1...N

3

1...N

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/base(i2)/tensor_contravariant(:,:,:)mixedFLT_3DContravariant metric tensor, given on each element of the subgrid […]

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

Coordinate

1

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/element

2

1...N (same as boundary_conditions_ggd(itime)/grid/grid_subset(i1)/base(i2)/tensor_covariant)

3

1...N (same as boundary_conditions_ggd(itime)/grid/grid_subset(i1)/base(i2)/tensor_covariant)

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/metricstructureMetric of the canonical frame onto Cartesian coordinates

Metric of the canonical frame onto Cartesian coordinates

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/metric/jacobian(:)mixedFLT_1DMetric Jacobian

Metric Jacobian

Coordinate

1

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/element

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/metric/tensor_covariant(:,:,:)mixedFLT_3DCovariant metric tensor, given on each element of the subgrid […]

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

Coordinate

1

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/element

2

1...N

3

1...N

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/metric/tensor_contravariant(:,:,:)mixedFLT_3DContravariant metric tensor, given on each element of the subgrid […]

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

Coordinate

1

boundary_conditions_ggd(itime)/grid/grid_subset(i1)/element

2

1...N (same as boundary_conditions_ggd(itime)/grid/grid_subset(i1)/metric/tensor_covariant)

3

1...N (same as boundary_conditions_ggd(itime)/grid/grid_subset(i1)/metric/tensor_covariant)

boundary_conditions_ggd(itime)/current(i1)AoSBoundary condition for the current diffusion equation, on various […]

Boundary condition for the current diffusion equation, on various grid subsets

Coordinate

1

1...N

boundary_conditions_ggd(itime)/current(i1)/identifierstructureIdentifier of the boundary condition type. […]

Identifier of the boundary condition type. List of options TBD.

boundary_conditions_ggd(itime)/current(i1)/identifier/nameSTR_0DShort string identifier

Short string identifier

boundary_conditions_ggd(itime)/current(i1)/identifier/indexINT_0DInteger identifier (enumeration index within a list). […]

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

boundary_conditions_ggd(itime)/current(i1)/identifier/descriptionSTR_0DVerbose description

Verbose description

boundary_conditions_ggd(itime)/current(i1)/grid_indexINT_0DIndex of the grid used to represent this quantity

Index of the grid used to represent this quantity

boundary_conditions_ggd(itime)/current(i1)/grid_subset_indexINT_0DIndex of the grid subset the data is provided on

Index of the grid subset the data is provided on

boundary_conditions_ggd(itime)/current(i1)/values(:,:)mixedFLT_2DList of vector components, one list per element in the grid subset. […]

List of vector components, one list per element in the grid subset. First dimenstion: element index. Second dimension: vector component index (for ID = 1 to 3, only the first position in the vector is used. For ID = 5, all three positions are used, meaning respectively a1, a2, a3)

Coordinate

1

1...N

2

1...N

boundary_conditions_ggd(itime)/electronsstructureQuantities related to the electrons

Quantities related to the electrons

boundary_conditions_ggd(itime)/electrons/particles(i1)m^-3.s^-1AoSBoundary condition for the electron density equation (density […]

Boundary condition for the electron density equation (density if ID = 1), on various grid subsets

Coordinate

1

1...N

boundary_conditions_ggd(itime)/electrons/particles(i1)/identifiereVstructureIdentifier of the boundary condition type. […]

Identifier of the boundary condition type. List of options TBD.

boundary_conditions_ggd(itime)/electrons/particles(i1)/identifier/nameSTR_0DShort string identifier

Short string identifier

boundary_conditions_ggd(itime)/electrons/particles(i1)/identifier/indexINT_0DInteger identifier (enumeration index within a list). […]

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

boundary_conditions_ggd(itime)/electrons/particles(i1)/identifier/descriptionSTR_0DVerbose description

Verbose description

boundary_conditions_ggd(itime)/electrons/particles(i1)/grid_indexINT_0DIndex of the grid used to represent this quantity

Index of the grid used to represent this quantity

boundary_conditions_ggd(itime)/electrons/particles(i1)/grid_subset_indexINT_0DIndex of the grid subset the data is provided on

Index of the grid subset the data is provided on

boundary_conditions_ggd(itime)/electrons/particles(i1)/values(:,:)mixedFLT_2DList of vector components, one list per element in the grid subset. […]

List of vector components, one list per element in the grid subset. First dimenstion: element index. Second dimension: vector component index (for ID = 1 to 3, only the first position in the vector is used. For ID = 5, all three positions are used, meaning respectively a1, a2, a3)

Coordinate

1

1...N

2

1...N

boundary_conditions_ggd(itime)/electrons/energy(i1)W.m^-3AoSBoundary condition for the electron energy equation (temperature […]

Boundary condition for the electron energy equation (temperature if ID = 1), on various grid subsets

Coordinate

1

1...N

boundary_conditions_ggd(itime)/electrons/energy(i1)/identifiereVstructureIdentifier of the boundary condition type. […]

Identifier of the boundary condition type. List of options TBD.

boundary_conditions_ggd(itime)/electrons/energy(i1)/identifier/nameSTR_0DShort string identifier

Short string identifier

boundary_conditions_ggd(itime)/electrons/energy(i1)/identifier/indexINT_0DInteger identifier (enumeration index within a list). […]

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

boundary_conditions_ggd(itime)/electrons/energy(i1)/identifier/descriptionSTR_0DVerbose description

Verbose description

boundary_conditions_ggd(itime)/electrons/energy(i1)/grid_indexINT_0DIndex of the grid used to represent this quantity

Index of the grid used to represent this quantity

boundary_conditions_ggd(itime)/electrons/energy(i1)/grid_subset_indexINT_0DIndex of the grid subset the data is provided on

Index of the grid subset the data is provided on

boundary_conditions_ggd(itime)/electrons/energy(i1)/values(:,:)mixedFLT_2DList of vector components, one list per element in the grid subset. […]

List of vector components, one list per element in the grid subset. First dimenstion: element index. Second dimension: vector component index (for ID = 1 to 3, only the first position in the vector is used. For ID = 5, all three positions are used, meaning respectively a1, a2, a3)

Coordinate

1

1...N

2

1...N

boundary_conditions_ggd(itime)/ion(i1)AoSQuantities related to the different ion species

Quantities related to the different ion species

Coordinate

1

1...N

boundary_conditions_ggd(itime)/ion(i1)/auFLT_0DMass of atom

Mass of atom

boundary_conditions_ggd(itime)/ion(i1)/z_ioneFLT_0DIon charge (of the dominant ionization state; lumped ions are […]

Ion charge (of the dominant ionization state; lumped ions are allowed)

boundary_conditions_ggd(itime)/ion(i1)/z_neFLT_0DNuclear charge

Nuclear charge

Changed in version 4.0.0: Type changed from FLT_0D

boundary_conditions_ggd(itime)/ion(i1)/nameSTR_0DString identifying ion (e.g. […]

String identifying ion (e.g. H+, D+, T+, He+2, C+, …)

Changed in version 3.42.0: Renamed from label

boundary_conditions_ggd(itime)/ion(i1)/particles(i2)m^-3.s^-1AoSBoundary condition for the ion density equation (density if ID […]

Boundary condition for the ion density equation (density if ID = 1), on various grid subsets

Coordinate

1

1...N

boundary_conditions_ggd(itime)/ion(i1)/particles(i2)/identifiereVstructureIdentifier of the boundary condition type. […]

Identifier of the boundary condition type. List of options TBD.

boundary_conditions_ggd(itime)/ion(i1)/particles(i2)/identifier/nameSTR_0DShort string identifier

Short string identifier

boundary_conditions_ggd(itime)/ion(i1)/particles(i2)/identifier/indexINT_0DInteger identifier (enumeration index within a list). […]

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

boundary_conditions_ggd(itime)/ion(i1)/particles(i2)/identifier/descriptionSTR_0DVerbose description

Verbose description

boundary_conditions_ggd(itime)/ion(i1)/particles(i2)/grid_indexINT_0DIndex of the grid used to represent this quantity

Index of the grid used to represent this quantity

boundary_conditions_ggd(itime)/ion(i1)/particles(i2)/grid_subset_indexINT_0DIndex of the grid subset the data is provided on

Index of the grid subset the data is provided on

boundary_conditions_ggd(itime)/ion(i1)/particles(i2)/values(:,:)mixedFLT_2DList of vector components, one list per element in the grid subset. […]

List of vector components, one list per element in the grid subset. First dimenstion: element index. Second dimension: vector component index (for ID = 1 to 3, only the first position in the vector is used. For ID = 5, all three positions are used, meaning respectively a1, a2, a3)

Coordinate

1

1...N

2

1...N

boundary_conditions_ggd(itime)/ion(i1)/energy(i2)W.m^-3AoSBoundary condition for the ion energy equation (temperature if […]

Boundary condition for the ion energy equation (temperature if ID = 1), on various grid subsets

Coordinate

1

1...N

boundary_conditions_ggd(itime)/ion(i1)/energy(i2)/identifiereVstructureIdentifier of the boundary condition type. […]

Identifier of the boundary condition type. List of options TBD.

boundary_conditions_ggd(itime)/ion(i1)/energy(i2)/identifier/nameSTR_0DShort string identifier

Short string identifier

boundary_conditions_ggd(itime)/ion(i1)/energy(i2)/identifier/indexINT_0DInteger identifier (enumeration index within a list). […]

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

boundary_conditions_ggd(itime)/ion(i1)/energy(i2)/identifier/descriptionSTR_0DVerbose description

Verbose description

boundary_conditions_ggd(itime)/ion(i1)/energy(i2)/grid_indexINT_0DIndex of the grid used to represent this quantity

Index of the grid used to represent this quantity

boundary_conditions_ggd(itime)/ion(i1)/energy(i2)/grid_subset_indexINT_0DIndex of the grid subset the data is provided on

Index of the grid subset the data is provided on

boundary_conditions_ggd(itime)/ion(i1)/energy(i2)/values(:,:)mixedFLT_2DList of vector components, one list per element in the grid subset. […]

List of vector components, one list per element in the grid subset. First dimenstion: element index. Second dimension: vector component index (for ID = 1 to 3, only the first position in the vector is used. For ID = 5, all three positions are used, meaning respectively a1, a2, a3)

Coordinate

1

1...N

2

1...N

boundary_conditions_ggd(itime)/ion(i1)/multiple_states_flagINT_0DMultiple states calculation flag : 0-Only one state is considered; […]

Multiple states calculation flag : 0-Only one state is considered; 1-Multiple states are considered and are described in the state structure

boundary_conditions_ggd(itime)/ion(i1)/state(i2)AoSQuantities related to the different states of the species (ionization, […]

Quantities related to the different states of the species (ionization, energy, excitation, …)

Coordinate

1

1...N

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/z_mineFLT_0DMinimum Z of the charge state bundle

Minimum Z of the charge state bundle

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/z_maxeFLT_0DMaximum Z of the charge state bundle

Maximum Z of the charge state bundle

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/nameSTR_0DString identifying charge state (e.g. […]

String identifying charge state (e.g. C+, C+2 , C+3, C+4, C+5, C+6, …)

Changed in version 3.42.0: Renamed from label

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/vibrational_leveleFLT_0DVibrational level (can be bundled)

Vibrational level (can be bundled)

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/vibrational_modeSTR_0DVibrational mode of this state, e.g. […]

Vibrational mode of this state, e.g. “A_g”. Need to define, or adopt a standard nomenclature.

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/is_neutralINT_0DFlag specifying if this state corresponds to a neutral (1) or […]

Flag specifying if this state corresponds to a neutral (1) or not (0)

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/neutral_typestructureNeutral type (if the considered state is a neutral), in terms […]

Neutral type (if the considered state is a neutral), in terms of energy. ID =1: cold; 2: thermal; 3: fast; 4: NBI

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/neutral_type/nameSTR_0DShort string identifier

Short string identifier

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/neutral_type/indexINT_0DInteger identifier (enumeration index within a list). […]

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

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/neutral_type/descriptionSTR_0DVerbose description

Verbose description

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/electron_configurationSTR_0DConfiguration of atomic orbitals of this state, e.g. […]

Configuration of atomic orbitals of this state, e.g. 1s2-2s1

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/particles(i3)m^-3.s^-1AoSBoundary condition for the charge state density equation (density […]

Boundary condition for the charge state density equation (density if ID = 1), on various grid subsets

Coordinate

1

1...N

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/particles(i3)/identifiereVstructureIdentifier of the boundary condition type. […]

Identifier of the boundary condition type. List of options TBD.

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/particles(i3)/identifier/nameSTR_0DShort string identifier

Short string identifier

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/particles(i3)/identifier/indexINT_0DInteger identifier (enumeration index within a list). […]

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

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/particles(i3)/identifier/descriptionSTR_0DVerbose description

Verbose description

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/particles(i3)/grid_indexINT_0DIndex of the grid used to represent this quantity

Index of the grid used to represent this quantity

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/particles(i3)/grid_subset_indexINT_0DIndex of the grid subset the data is provided on

Index of the grid subset the data is provided on

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/particles(i3)/values(:,:)mixedFLT_2DList of vector components, one list per element in the grid subset. […]

List of vector components, one list per element in the grid subset. First dimenstion: element index. Second dimension: vector component index (for ID = 1 to 3, only the first position in the vector is used. For ID = 5, all three positions are used, meaning respectively a1, a2, a3)

Coordinate

1

1...N

2

1...N

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/energy(i3)W.m^-3AoSBoundary condition for the charge state energy equation (temperature […]

Boundary condition for the charge state energy equation (temperature if ID = 1), on various grid subsets

Coordinate

1

1...N

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/energy(i3)/identifiereVstructureIdentifier of the boundary condition type. […]

Identifier of the boundary condition type. List of options TBD.

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/energy(i3)/identifier/nameSTR_0DShort string identifier

Short string identifier

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/energy(i3)/identifier/indexINT_0DInteger identifier (enumeration index within a list). […]

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

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/energy(i3)/identifier/descriptionSTR_0DVerbose description

Verbose description

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/energy(i3)/grid_indexINT_0DIndex of the grid used to represent this quantity

Index of the grid used to represent this quantity

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/energy(i3)/grid_subset_indexINT_0DIndex of the grid subset the data is provided on

Index of the grid subset the data is provided on

boundary_conditions_ggd(itime)/ion(i1)/state(i2)/energy(i3)/values(:,:)mixedFLT_2DList of vector components, one list per element in the grid subset. […]

List of vector components, one list per element in the grid subset. First dimenstion: element index. Second dimension: vector component index (for ID = 1 to 3, only the first position in the vector is used. For ID = 5, all three positions are used, meaning respectively a1, a2, a3)

Coordinate

1

1...N

2

1...N

boundary_conditions_ggd(itime)/timesFLT_0DTime

Time

vacuum_toroidal_fieldstructureCharacteristics of the vacuum toroidal field (used in rho_tor […]

Characteristics of the vacuum toroidal field (used in rho_tor definition and in the normalization of current densities)

vacuum_toroidal_field/r0mFLT_0DReference major radius where the vacuum toroidal magnetic field […]

Reference major radius where the vacuum toroidal magnetic field is given (usually a fixed position such as the middle of the vessel at the equatorial midplane)

vacuum_toroidal_field/b0(:)TFLT_1DVacuum toroidal field at R0 [T]; Positive sign means anti-clockwise […]

Vacuum toroidal field at R0 [T]; Positive sign means anti-clockwise when viewing from above. The product R0B0 must be consistent with the b_tor_vacuum_r field of the tf IDS.

Coordinate

1

time

restart_files(itime)AoSSet of code-specific restart files for a given time slice. […]

Set of code-specific restart files for a given time slice. These files are managed by a physical application to ensure its restart during long simulations

Coordinate

1

restart_files(itime)/time

restart_files(itime)/names(:)STR_1DNames of the restart files

Names of the restart files

Coordinate

1

1...N

restart_files(itime)/descriptions(:)STR_1DDescriptions of the restart files

Descriptions of the restart files

Coordinate

1

restart_files(itime)/names

restart_files(itime)/timesFLT_0DTime

Time

codestructure

See common IDS structure reference: code.

time(:)sFLT_1DGeneric time

Generic time

Coordinate

1

1...N