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Magnetostatic (2D/3D)

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  1. 246 – Analysis of Electromagnetic Force Acting Between a Coil and a Magnet

    In this example, a use case in which the N-T-I characteristics for a single-phase synchronous motor are obtained is presented.

  2. 222 – Irreversible Thermal Demagnetization Analysis of Incompletely Magnetized Magnets

    In this example, analysis is performed while varying the temperature of magnetized magnets, and then the influence on the torque waveform and magnetic flux density distribution is…

  3. 247 – Magnetic Circuit Optimization for Plastic Magnets in a Radial Magnetic Field

    In this example, a use case of magnetic circuit optimization in a metal mold with radial magnetic field orientation used for ring-shaped magnet production is presented.

  4. 242 – Solenoid Valve Attractive Force Analysis Taking into Account Movable Part Motion

    In this example, an example is presented where the influence on the electromagnetic force by the presence or absence of inclination is confirmed at each position of the movable pa…

  5. 236 – Magnetic Circuit Optimization for Plastic Magnets in an Axial Magnetic Field

    In this example, a use case is presented in which a magnetic circuit of a product-forming mold, in a magnetic field aligned with the mold’s main axis, is optimized, with the mold’…

  6. 158 – Superimposed Direct Current Characteristic Analysis of a Reactor That Accounts for Minor Hysteresis Loops

    OverviewHigh-frequency reactors used in equipment like DC-DC converters have a high-frequency current accompanying the switching direct current. The reactor's performance requires…

  7. 148 – Loss Analysis of a Power Transformer (Flyback Converter)

    OverviewA flyback converter is a well-known system for small capacity power supplies in the several-dozen W class. They are cheap and have a simple structure, so they are widely u…

  8. 129 – Analysis of a PM Stepper Motor Accounting for Magnetization

    OverviewStepper motors are commonly used for positioning in printers and digital cameras. In PM stepper motors, the motor's characteristics are determined through design of the ma…

  9. 126 – Magnetization Analysis Accounting for Eddy Currents

    OverviewA magnet's magnetizing state largely affects the characteristics of a device that uses permanent magnets. A magnetization device performs magnetization by applying an extr…

  10. 46 – Sensitivity Analysis of the Magnetization Pattern of an SMP Motor

    This Application Note presents the use of a magnetic field analysis to obtain the surface flux density for radial pattern, parallel anisotropic pattern, and polar anisotropy patte…

  11. 102 – Magnetic Field Analysis of a Magnetic Sensor

    OverviewWith recent improvements in the functionality of electric devices and home appliances, magnetic sensors are being used more for contactless sensing of whether device doors…

  12. 101 – AL-Value Current Characteristic Analysis of a Choke Coil

    OverviewA choke coil is an electric component that is intended to filter high-frequency current. The AL-value is a vital parameter in a choke coil design that determines the cutof…

  13. 143 – Inductance Analysis of an Air Core Coil

    OverviewElectric components such as choke coils and chip inductors are used for purposes such as reducing electromagnetic noise by taking advantage of their own inductance. Air co…

  14. 55 – Integrated Magnetization Analysis of an IPM Motor

    OverviewInterior permanent magnet (IPM) motors often use strong rare earth magnets. They have poor workability, however, because the magnets are inserted into the rotor's small ga…

  15. 79 – Analysis of an Effect of Magnetic Field Orientation on Magnetization

    OverviewA magnet's magnetizing state largely affects the characteristics of a device that uses permanent magnets. The manufacturing process of a magnet is divided into two parts: …

  16. 81 – AL-value Analysis of a Choke Coil

    OverviewA choke coil is an electric component that is intended to filter high-frequency current. The AL-value is a vital parameter in a choke coil design that determines the cutof…

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