[JFT054]Electromagnetic Force Spatial Modes Acting on a Stator

When analyzing vibration from electromagnetic force, aka electromagnetic vibration, it is important to check not only the frequency components of electromagnetic force but also its spatial distribution (spatial mode) . In particular, since the elect…

27 Sep 2018

[JFT056] Method of Using Scripts for Outputting Teeth Excitation, Torque Ripple (2D)

In JMAG, it is possible to output torque ripple (the value obtained by subtracting the average value of torque from the torque) in a model of a rotating machine and the excitation force on all the teeth.In this document, sample data and a procedure …

20 Sep 2018

[JFT055] Variable Magnet Analysis using Subroutines

The characteristic of the variable magnet is that it allows the demagnetization of magnetic force and for controlling increases in magnetization by an applied magnetic field.

9 Jul 2018

[JFT049] Grouping FEM Coil Conditions

JMAG requires one FEM coil condition per FEM coil component in a circuit. When there are many FEM coil components such as in a lap winding or wave winding, it takes time to associate components and conditions one by one. Grouping FEM coil conditions…

9 Jul 2018

[JFT048] Brush / Commutator Component

JMAG models brushes and commutators in a motor using circuit components.

9 Jul 2018

[JFT047] Performing Harmonic Loss Calculations with Current Control in JMAG-Designer

In order to evaluate the transient response characteristics in magnetic design, not only basic characteristics but also the control system may need to be taken into account.

9 Jul 2018

[JFT045] Inheriting Settings when Updating CAD

Geometry created with CAD software is loaded into JMAG-Designer using import functions. Even if the loaded geometry is amended using CAD software, conditions and other such settings can be inherited by using a model update function.

9 Jul 2018

[JFT044] Pre-Post and Solver Parallel Distributed Processing Using SSH

Efficient calculations are required in order to quickly obtain results when parametric analyses, etc., involve a large number of calculations.

9 Jul 2018

[JFT053] Magnet Magnetization Direction Inheritance Using an Analysis Template

OverviewWhen the same analysis is performed in different models or when novice users use settings made by expererienced users, setting conditions manually in a new model may not only take time but also errors performing settings may occur. By using …

15 May 2018

[JFT052] Creating a Graph Showing the Correlation between Time History Physical Quantities

OverviewReusing geometries in analysis by using templates shortens work time (Fig. a). In JMAG, geometry templates can be managed with a geometry library. Stator and rotor basic geometries are pre-installed.In this document, how to create a motor ge…

15 May 2018

[JFT051] Creating and Using Geometry Templates

OverviewUsing geometry as a template for analyses allows that geometry to be used and reused throughought a company, resulting in the reduction of work time (Fig. a). Geometry templates can be managed using the Geometry Library in JMAG.In this docum…

15 May 2018

[JFT050] Procedure for Exporting a Selected Study from a Project

OverviewIn a project containing multiple models and studies, the amount of data becomes larger, and a considerable amount of time is required to open or save a project. This additionally considers the need to organize a project with only the require…

15 May 2018

[JFT046] Analysis Group Inheritance Using an Analysis Template

OverviewWhen the same analysis is performed in different models or when novice users use settings made by expererienced users, setting conditions manually in a new model may not only take time but also errors performing settings may occur. By using …

15 May 2018

[JFT043] Frequency Filter Calculation on Distributions Obtained by Transient Response Analysis

OverviewWhen understanding complicated phenomena, it is sometimes useful to check analysis results by focusing on specific frequency components. JMAG can convert the distribution obtained by transient analysis to the frequency domain (Fig. a, Table …

16 Mar 2018

[JFT041] Simple Skew Analysis Using Results Data

OverviewIn order to take into account the influence of skew in a motor accurately, it is necessary to perform 3D analysis (Fig. a). But the scale of 3D analysis may be large. JMAG can create a graph taking into account skew using 2D analysis results…

16 Mar 2018

[JFT040] Creating Specified Outputs Using Distribution Results

OverviewWhen evaluating analysis results, changing the evaluation based on how physical quantities are viewed is useful. For example, instead of simply checking the distribution of a magnetic field, check treating the magnetic field as a demagnetizi…

16 Mar 2018

Tutorials