Magnetic Field
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[L-OP-109] Exploration of New Ideas Using Topology Optimization
The requirements for motor design are getting more advanced, satisfying torque ripple, line voltage limit, stress of core, as well as maximize the torque at low and high speeds. I…
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[L-MO-106] Prototype and Performance Evaluation with Model-based Efficiency Map (Accuracy Priority Mode)
The maximum efficiency of the drive motor for EV vehicles exceeds 95%. As further efficiency improvement is in the order of 1%, the efficiency error with the actual machine in the…
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[L-MO-105] System Design with Model-based Efficiency Map (Speed Priority Mode)
Electrical Vehicle drive require high efficiency of 95% or more over a wide operating range.
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[W-SE-113] Reduction of Calculation Time Using Equivalent Circuit Model
In electrical machine design, the use of coupled analysis between the electromagnetic FEA and the motor drive control circuit is necessary in order to have an understanding of the…
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[JAC254] Vibration Analysis of a Large Oil-Filled Transformer
In this example, evaluating vibration caused by electromagnetic excitation in a large transformer. Since large transformers are oil-cooled, in this example the oil, which is the f…
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[JAC064] Thrust Force Analysis of a Coreless Linear Motor
In this example, explains how to obtain the thrust variations in a coreless linear motor when it is driven with a three-phase alternating current.
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[JAC007] Analysis of a Spindle Motor
In this example, how the Speed-Torque curve, the Torque-Current curve and the magnetic flux density distribution of a spindle motor can be obtained.
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[L-MU-91] NVH analysis of EV drivelines with JMAG and Romax Nexus
NVH is the one of most critical issues in the drivelines development of EV/ HEV. There are several points to be considered for the NVH analysis of the driveline. To evaluate the N…
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[JAC208] High Frequency Induction Hardening Analysis Accounting for Deformation (Abaqus Link)
This document introduces evaluates how heating ranges change depending on the deformation amount at high temperatures and deformation during heating, with heat generation analysis…
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[JAC246] Analysis of Electromagnetic Force Acting Between a Coil and a Magnet
This case study obtains electromagnetic force acting between a coil and magnet using the electromagnetic force calculation correction method and the adaptive mesh function.
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[JAC244] Magnetic Field Strength Analysis at a Sensor Position
In this example, with the analysis target being a motor and the detection sensor being a TMR sensor, an example where a detection signal waveform is obtained that is based on magn…
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[JAC218] High-Frequency Induction Hardening Analysis Accounting for Deformation
In this example, using the JMAG magnetic field - thermal stress coupled analysis function, analysis is performed evaluating gear deformation from induction heat hardening.
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[JAC255] Evaluating the N-T Curve of an IPM motor Using 3D Correction
In this example, obtains N-T curves using the correction function.
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[L-OP-61] Smooth and robust optimization process in JMAG
The optimization is indispensable in machines design. Especially the optimization must consider not only the magnetic design issues but also the mechanical and the thermal design …
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[W-SE-75] Iterative Calculations and Convergence Characteristics
In this report, we will explain the convergence criteria of a local quantity and the improvement of the determination of convergence of ICCG. And then, we describe that these idea…
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[W-SE-72] Reduction of Time Steps by Using Time Periodic Explicit Error Correction Method
In electrical equipment design, Computer Aided Engineering (CAE) software is used to make the best possible products within allowable timelines.
