DS

Static/Dynamic Structural (2D/3D)

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  1. 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 a higher lamination …

    24 Oct 2018

  2. 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 noise, and draft nois…

  3. 251 – Vibration Analysis of an Alternator

    OverviewElectromagnetic force in the form of an electromagnetic excitation force acting on a motor or an alternator causes vibration and noise. Vibration and noise also are produced when this electro…

    15 May 2018

  4. 234 – Vibration Characteristics Analysis of an Induction Motor

    OverviewBecause the construction of induction motors is simple, easy, durable, and highly effective, they have been widely used throughout industry in general for an extensive period of time. In rece…

    13 Mar 2018

  5. 226 – SPM Motor Vibration Characteristics Analysis

    OverviewThe electromagnetic force acting on the motor resonates with the eigenmode of the motor, causing vibration and noise. In order to accurately evaluate this phenomenon, it is necessary to ascer…

  6. 223 – Multi-Objective Optimization of IPM Motors Considering Stress at High Rotation

    OverviewIn the IPM motor, a permanent magnet is embedded in the rotor along with a flux barrier. The purpose of the flux barrier is to prevent the magnetic flux of the magnet from penetrating the adj…

  7. 218 – High Frequency Induction Hardening Analysis Accounting for Deformation

    OverviewGears are created in such a way that the surfaces of their teeth are hard in order to resist the wear and tear that occurs when they come into contact with the teeth of other gears. However, …

  8. 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 PWM carrier frequenc…

    9 Mar 2018

  9. 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 smoother. Reactor vibration…

    8 Mar 2018

  10. 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 electromagnetic force produ…

    26 Nov 2009

  11. 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 precisely evaluate an elec…

    27 Oct 2009

  12. 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 torque than an inner roto…

  13. 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 due to this unevennes…

  14. 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 environmental conservation tre…

    10 Sep 2009

  15. 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 to magnet torque. Ir…

    14 Apr 2009

  16. 87 – Iron Loss Analysis of an IPM Motor Including the Effect of Shrink Fitting

    OverviewMagnetic steel sheet is used for the cores of drive motors for HEVs and EVs. This is to make them more compact, lighter, and more efficient. The main point for improving efficiency in an IPM …

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