10.3 Post-Processing Data Output Files

10.3 Post-Processing Data Output Files#

Specifies mesh and distribution data files output in the format specified by POST_DATA_FILE. Output files have no extension; add an extension required by the post-processing tool as appropriate. EMSI can read files without extensions.

Input settings#

10_3_Post_Files JSON key: post-processing data output files object

MESH(10.3) Output option for the post-processing mesh data file (post_geom)

CURRENT(10.3) Output option for the current data file (current)

MAGNETIC(10.3) Output option for the magnetic flux density data file (magnetic)

FORCE_J_B(10.3) Output option for the Lorentz force J×B data file (force_J_B)

FORCE_NODAL(10.3) Output option for the electromagnetic force (nodal force method) data file (force)

DISP(10.3) Output option for the moving-part nodal displacement data file (disp)

ELEM(10.3) Output option for the element data file, including coordinates (elem)

HEAT(10.3) Output option for the element heat-generation data file (heat)

MAGNETIZATION(10.3) Output option for the magnetization vector data file (magnetization)

IRON_LOSS(10.3) Output option for the iron-loss data file (iron_loss)

E(10.3) Output option for the electric flux density data file (electric)

COIL_FORCE(10.3) Output option for the electromagnetic force data file for external current and magnetic-field source COIL (coil_force)

Input format#

Text-format section
Fixed parameter set 1#
[row, col] = [1, 12]
Type=I
Text format#
* MESH * CURRENT * MAGNETIC * FORCE_J_B *FORCE_NODAL * DISP * ELEM * HEAT * MAGNETIZATION * IRON_LOSS * E * COIL_FORCE *
I       I         I             I          I          I      I       I          I             I        I         I

JSON format#

JSON format from 2024.11#
"10_3_Post_Files" :
{
    "MESH" : I,
    "CURRENT" : I,
    "MAGNETIC" : I,
    "FORCE_J_B" : I,
    "FORCE_NODAL" : I,
    "DISP" : I,
    "ELEM" : I,
    "HEAT" : I,
    "MAGNETIZATION" : I,
    "IRON_LOSS" : I,
    "E" : I,
    "COIL_FORCE" : I
},

Important

Release 2024.11

In JSON format, default values are used when these parameters are not defined. All default values are = 0: do not output.

Detailed description#

10_3_Post_Files#

10_3_Post_Files#
JSON key:

Post-processing data output files object

MESH#

MESH(10.3)#
Text-format section
Fixed parameter set 1#
[row, col] = [1, 1]

Output option for the post-processing mesh data file (post_geom).

post_geom output option.#

Number

Description

0 Default

Does not output.

1

Outputs.

CURRENT#

CURRENT(10.3)#
Text-format section
Fixed parameter set 1#
[row, col] = [1, 2]

Outputs the current density \(J\) data file (current). Current density (A/m2) data can include conductor-region and source-current distributions.

current output option.#

Number

Description

0 Default

Does not output.

1

Outputs current distribution data.

Note

Revision history

Release 2024.11

Up to 2023.11, this was used to output distribution data for static electric-field analysis (STATIC(2) = 2) and steady-current analysis (STATIC(2) = 3). From 2024.11 onward, use electric instead.

MAGNETIC#

MAGNETIC(10.3)#
Text-format section
Fixed parameter set 1#
[row, col] = [1, 3]

Output option for the magnetic flux density \(B\) data file (magnetic).

magnetic output option.#

Number

Description

0 Default

Does not output.

1

Outputs magnetic flux density distribution data. When external current and magnetic-field source COIL(17.1) is present, outputs total magnetic flux density (T), including that source. Also outputs magnetic flux (Wb) for two-dimensional analysis.

-1

When external current and magnetic-field source COIL(17.1) is present, outputs induced magnetic flux density (T) excluding the coil field. Also outputs magnetic flux (Wb) for two-dimensional analysis. Not normally used.

3

Outputs the element ID, element material property ID, center coordinates XYZ (m), and magnetic flux density (T) for each element. Use to inspect distribution data as text. The output format is fixed regardless of POST_DATA_FILE(10.2), for use with text editors and general data-processing software.

11

Outputs magnetic energy (J/m3) in addition to output data from MAGNETIC = 1.

Tip

Magnetic flux density is discontinuous at a magnetic-material/air boundary, but simultaneously outputting nodal quantities outputs a boundary-averaged value. To avoid this, specify each material property and output it in a separate calculation.

<Magnetic flux density output for laminated core steel> Outputs magnetic flux density (T) in the steel part of a laminated core as post-processing of analysis using the homogenization method, a laminated-core approximation (PACKING(16.1)). During iron-loss calculation (IRON_LOSS = 1, 2),

Note

Revision history

Release 10.1.2

Supports magnetic-flux-density output for iron-loss calculation in laminated cores using PACKING(16.1).

Release 12.0.16

Added magnetic energy density (element quantity) to elem-5 of magnetic output (see r12.0.18).

Release 12.0.18

Added MAGNETIC = 3 and revised MAGNETIC = 11 to output magnetic energy density (element quantity) to magnetic.

FORCE_J_B#

FORCE_J_B(10.3)#
Text-format section
Fixed parameter set 1#
[row, col] = [1, 4]

Outputs the Lorentz force (\(J \times B\)) distribution to file (force_J_B). Includes current and heat-generation distributions in conductor regions and source currents.

Outputs nodal force (N) for nodal quantities. For a positive value, includes nodal forces on both sides of nodes on a symmetry plane; for a negative value, does not apply this symmetry treatment.

force_J_B output option.#

Number

Description

0 Default

Does not output.

±1

Outputs element-integrated force (N).

±2

Outputs element-averaged force (N/m3).

Caution

This output option can be used for nonmagnetic conductors and current and magnetic-field sources ELMCUR(17.2), SDEFCOIL(17.3), PHICOIL(17.4), DCCURR(17.5), and SUFCUR(17.6).

The Lorentz force of sources in COIL(17.1) format is output by COIL_FORCE.

FORCE_NODAL#

FORCE_NODAL(10.3)#
Text-format section
Fixed parameter set 1#
[row, col] = [1, 5]

Outputs electromagnetic force calculated by the nodal force method to file (force_nodal). Electromagnetic force acting on magnetic materials is calculated by the nodal force method.

Outputs nodal force (N) for nodal quantities. For a positive value, includes nodal forces on both sides of nodes on a symmetry plane; for a negative value, does not apply this symmetry treatment.

force_nodal output option.#

Number

Description

0 Default

Does not output.

±1

Outputs element-integrated force (N).

±2

Outputs element-averaged force (N/m3).

DISP#

DISP(10.3)#
Text-format section
Fixed parameter set 1#
[row, col] = [1, 6]

During motion analysis, outputs nodal displacement (m) of moving parts to file (disp).

disp output option.#

Number

Description

0 Default

Does not output.

1

Outputs.

ELEM#

ELEM(10.3)#
Text-format section
Fixed parameter set 1#
[row, col] = [1, 7]

Outputs detailed information for each element to file (elem). Fixed format

elem output option.#

Number

Description

0 Default

Does not output.

1

Outputs each element’s ID, center coordinates XYZ (m), and volume (m3).

2

Also outputs element material property IDs.

HEAT#

HEAT(10.3)#
Text-format section
Fixed parameter set 1#
[row, col] = [1, 8]

Outputs heat-generation data to file (heat). Heat generation is calculated from the conductivity of conductor regions and current and magnetic-field sources.

heat output option.#

Number

Description

0 Default

Does not output.

1

Outputs element heat generation (W/m3).

2

Outputs each element’s ID, center coordinates XYZ (m), and element heat generation (W/m3). Fixed format

MAGNETIZATION#

MAGNETIZATION(10.3)#
Text-format section
Fixed parameter set 1#
[row, col] = [1, 9]

Outputs magnetization state \(M\) to file (magnetization). The magnetization unit is (T).

\(B\) = \(\mu\)\(H\) + \(M\)

magnetization output option.#

Number

Description

0 Default

Does not output.

1

Outputs the magnetization vector (T) of magnetic material elements.

-1

Outputs the magnetic field strength vector (A/m).

2

Outputs the reduction ratio and permeance coefficient of MAGNET(17.7).

3

Outputs magnetic energy density (J/m3) and coenergy (J/m3) of magnetic materials and permanent magnets.

4

Outputs remanent magnetic flux density and magnetization ratio to file (initial_magnetization.dat). Data for the permanent-magnet BH curve MAGNET_BH_CURVE_ID(20.4) and permanent-magnet magnetization-ratio curve 20_6_Magnetization_Curve(20) are required.

5

Outputs permeability in magnetic material regions, but only diagonal components (MU_X, MU_Y, MU_Z).

IRON_LOSS#

IRON_LOSS(10.3)#
Text-format section
Fixed parameter set 1#
[row, col] = [1, 10]

Outputs iron-loss data to file (iron_loss).

iron_loss output option.#

Number

Description

0 Default

Does not output.

1

Outputs iron-loss density (W/kg) and total iron loss (W).

2

Outputs iron-loss density (W/m3) and total iron loss (W).

E#

E(10.3)#
Text-format section
Fixed parameter set 1#
[row, col] = [1, 11]

Outputs electric field strength or electric flux density data to file (electric).

<For Darwin model and full-wave analysis>

electric output option.#

Number

Description

0 Default

Does not output.

1

Outputs electric field strength (V/m).

<For static electric-field analysis (STATIC(2) = 2)>

electric output option.#

Number

Description

0 Default

Does not output.

1

Outputs electric flux density (C/m2) and electrostatic energy density (J/m3).

2

Outputs electric field strength (V/m) and electrostatic energy density (J/m3).

<For steady-current-field analysis (STATIC(2) = 3)>

electric output option.#

Number

Description

0 Default

Does not output.

1

Outputs current density (A/m2) and heat-generation density (W/m3).

Note

Revision history

Release 12.0.6

Revised electric field-data file output for static electric-field analysis (STATIC(2) = 2).

Changed to CURRENT = 1: electric flux density and CURRENT = 2: electric field strength. Outputs electrostatic energy density as an element quantity in elem-5.

Release 2024.11

For static electric-field analysis (STATIC(2) = 2), changed from CURRENT = 1, 2 to E = 1, 2.

COIL_FORCE#

COIL_FORCE(10.3)#
Text-format section
Fixed parameter set 1#
[row, col] = [1, 12]

Outputs electromagnetic force of external current and magnetic-field source COIL(17.1) to file (coil_force).

coil_force output option.#

Number

Description

0 Default

Does not output.

1

Calculates and outputs electromagnetic force of COIL integration element MESH(17.1.7).