White Papers

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  1. [W-SE-73] Influence of Element Shapes Near the Coil on Convergence

    Mesh is essential for the accuracy and convergence of iterative calculations such as ICCG in the finite element method.

  2. [W-MO-85] Efficiency Map Evaluations Considering Harmonic Loss

    In this paper, we propose a method that combines two approaches to calculate the efficiency at various operating points considering the influence of time harmonics and other effec…

  3. [W-MB-64] Modeling Loss in JMAG-RT

    In this paper, we explain how loss is modeled in a JMAG-RT model.

  4. [W-HU-71] Notes on Performance Evaluation and Hardware Selection of JMAG Parallel Solver

    This document can be thought of as pointers and precautions for hardware selection and software operation.

  5. [W-MB-63] Method for Determining the Optimum Resolution of JMAG-RT Model

    In this paper, we present a method to increase the resolution of a JMAG-RT model iteratively while performing system simulation.

  6. [W-MA-87] Verification of the Accuracy of Minor Loop Loss Using a Play Model

    In this paper, from the minor loop loss with DC superposition being measured and compared with results using the play model, it was verified that the play model can reproduce the …

  7. [W-MA-70] Mesh Modeling for Coil AC Loss Analysis

    In this report, coil AC loss analysis is examined from the perspective of mesh modeling.

  8. [W-MB-65] The Necessity of JMAG-RT 3D Models

    In this paper, the necessity of 3D FEA models in plant model generation will be discussed.

  9. [W-MO-23] Measurement of PM Motor Vibration/Noise and Analysis Modeling

    While miniaturization and efficiency optimization are always in demand in motor development, demand is also increasing for the reduction of vibration and noise in recent years. As…

  10. [W-MA-21] Iron Loss Analysis of an SR Motor Accounting for Hysteresis and Eddy Current Distribution

    We used a new method which can evaluate iron loss in high accuracy even with magnetic density wave form for SR motors, and gained positive results when comparing with actual measu…

  11. [W-MA-46] Calculation Method of Eddy Current Loss of Electromagnetic Steel Sheet Using a 1D Finite Element Method

    When calculating the eddy current loss in magnetic steel, conventionally, a Fourier transform is taken of the magnetic flux density derived from analysis and compared with actual …

  12. [W-MA-51] Understanding Electromagnetic Phenomena in Steel Sheets Through Simulation

    In the following, detailed physical phenomena in steel sheets can be acquired by simulation through the confirmation of analysis results in JMAG’s latest analysis function of the …

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