DS

Static/Dynamic Structural (2D/3D)

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  1. 251 – Alternator Vibration Analysis

    In this example, the electromagnetic force generated in the stator core of a claw pole alternator is obtained, and acceleration is evaluated with an electromagnetic force - struct…

  2. 218 – 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.

  3. 223 – Multi-Objective Optimization of IPM Motors Considering Stress at High Rotation

    In this example, presented where a rotor geometry is designed by a multi-objective genetic algorithm with objective functions for torque characteristics (5,000 r/min) and for the …

  4. 254 – Vibration Analysis of Oil-Immersed Large Transformer

    This document introduces a case example of evaluating the vibrations of a large transformer. Parts that are usually the source of vibrations are the core, tank, and windings, but …

  5. 226 – Vibration Characteristics Analysis of SPM Motors

    In this example, the acceleration is evaluated by obtaining the electromagnetic force generated in the stator core of the SPM motor at multiple rotation speeds and coupling with t…

  6. 142 – Press Fit Analysis of a Divided Core

    OverviewSmaller size and higher output are being demanded of the motors used for applications such as air conditioning compressors. One production technique for achieving this is …

  7. 20 – Sound Pressure Analysis of an SPM Motor

    OverviewAs electric motors are becoming more common, motors which create less noise are in high demand. Sound can be divided into categories of electromagnetic noise, mechanical n…

  8. 234 – Vibration Characteristics Analysis of an Induction Motor

    In this example, electromagnetic force generated in the induction motor stator core is obtained, and an example of evaluating sound pressure by linking it with the eigenmode of th…

  9. 198 – Bus Bar Thermal Stress Analysis

    OverviewCurrent is supplied via bus bars or wire bonding in power supply lines for power electronics devices such as inverters. Because inverters and similar devices operate with …

  10. 184 – Reactor Sound Pressure Analysis taking Magnetostriction into Account

    OverviewReactors are used in all sorts of systems related to power systems. For example, they fill the role of making the current pulsation between an inverter and a motor smoothe…

  11. 138 – Vibration Analysis of an SR Motor

    OverviewThere are high hopes for SR motors to provide robustness and low cost, thanks to their relatively simple construction without permanent magnets. However, the large electro…

  12. 128 – Structural Analysis of a Cantilever

    OverviewAs the importance of robust design in today's smaller and thinner electric devices continues to rise, so does the demand for ways of reducing vibration. In order to precis…

  13. 114 – Vibration Analysis of an Outer Rotor Motor

    OverviewAn outer rotor motor has a magnetic rotor that rotates around a stator. The rotor radius of an outer rotor motor is large, so it can produce a larger amount of drive torqu…

  14. 124 – Cogging Torque Analysis of an SPM Motor Accounting for Uneven Stator Diameter

    OverviewWhen a motor is assembled, the inner diameter of the stator can become uneven because of fabrication errors, shrink fitting, press fitting, etc. Cogging torque increases d…

  15. 97 – Sound Pressure Analysis of a Transformer

    OverviewIn recent years, the demand to reduce vibration and noise is growing while the requirements for higher efficiency and smaller and lighter transformers grow with environmen…

  16. 91 – Iron Loss Analysis of an IPM Motor Including the Effects of the Press Fitting Stress

    OverviewOne of the demands for IPM motors is higher efficiency over a wide range of rotation speeds in combination with motor drives, as reluctance torque can be used in addition …

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