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[Analysis Case] Magnetization Analysis of a Cylindrical Magnet Considering Hysteresis "Hard Magnetism"

Using 'hyperbolic function approximation'! Determine the hysteresis loop with numerical values and hyperbolic functions.

Using the hysteresis analysis function, we conducted magnetization analysis of magnets with high coercivity. A cylindrical magnet was magnetized using a coil. The current was increased from 0[A] to a maximum value and then returned to 0[A]. The magnetic field in the space at that time was analyzed. The hysteresis analysis function uses "hyperbolic function approximation" as a method to represent the hysteresis loop in this case. The hyperbolic function approximation takes coercivity, remanent magnetization, and saturation magnetization as input values, and these values along with the hyperbolic function determine the hysteresis loop. [Case Overview] ■ Software Used: PHOTO-MAG ■ Analysis Type: 3D Nonlinear Magnetic Field Analysis (1/4 model due to shape symmetry) *For more details, please refer to the related links or feel free to contact us.

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[Analysis Case] Nonlinear Static Magnetic Field Analysis of Magnetic Shielding

The analysis model is a 1/8 model based on symmetry! We will introduce analysis cases using external field coils.

Here is an example of magnetic field analysis for magnetic shielding. A coil is placed outside the shield to calculate the internal magnetic field. The analysis model uses the "Box shield model" proposed by the Electrical Engineering Society's Investigation Committee. An external field coil is used, and the analysis model is set to a 1/8 model due to symmetry. The analysis type is nonlinear static magnetic field analysis. Eddy currents are not considered. We have included diagrams of the B-H characteristics of the ss400 used in this analysis, so please refer to the related links below for more details. 【Case Overview】 ■ Analysis Model: Box shield model ■ Analysis Type: Nonlinear static magnetic field analysis ■ Software Used: PHOTO-MAG *For more details, please refer to the related links or feel free to contact us.

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[Analysis Case] Predicting the magnetization distribution within a plastic magnet from measurement data.

Estimating the magnetization distribution from the numerical data of magnetic flux density obtained from the forward problem! Introducing an analysis case of the inverse problem.

The case of analyzing the magnetic field created by magnets and coils is called a forward problem. On the other hand, the problem of determining magnetization or current from the magnetic field distribution is called an inverse problem. In this instance, we will introduce a case where we estimate the magnetization inside a magnet from numerical data of the magnetic flux density on the surface of a plastic magnet, and analyze the magnetic flux density created by that magnetization (inverse problem). For convenience, we will estimate the magnetization from the magnetic flux density obtained through the forward problem and calculate the magnetic flux density at a different location. Since we will use the results of the forward problem, we can compare the results of the forward and inverse problem analyses and evaluate the validity of the inverse problem analysis function. [Case Overview] ■ Software Used: PHOTO-MAGTZ ■ Analysis Results - The magnetic flux density at a position 1mm away from the surface of the magnet is generally consistent between the forward and inverse problems. - There are multiple magnetization distributions that show the same magnetic flux density. *For more details, please refer to the PDF document or feel free to contact us.

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[Analysis Case] Electric Field Analysis of Wound Type Capacitors

The capacitance of the cathode is theoretically determined by approximating a cylindrical capacitor as a parallel plate capacitor, and compared with the analytical results!

The wound-type capacitor has a structure that alternately layers electrode foil and dielectric, featuring a compact design while increasing the surface area of the electrodes. In "PHOTO-VOLTBM," there is no need for air mesh, allowing for the easy creation of complex-shaped models in conjunction with programmatic mesh deformation. In this case study, we will conduct an electric field analysis of the wound-type capacitor. Additionally, we will compare the capacitance obtained from the analysis with the theoretical value. For detailed information on the analysis conditions and results, please refer to the related links below. [Case Overview] ■ Analysis Module: PHOTO-VOLTBM *For more details, please refer to the related links or feel free to contact us.

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[Case Study] Nonlinear Electric Field Analysis of Cable Joints

The analysis type is axisymmetric analysis using the MKSA unit system! A case study using current distribution analysis.

Here is an example of nonlinear electric field analysis of cable joints. The electric field analysis software "PHOTO-VOLT" and "VOLTjω" can be selected from two modes: electric field analysis and current distribution analysis. This case uses current distribution analysis. In the electrical insulation design of joints for DC power cables, it is necessary to consider the nonlinear conductivity characteristics of the insulator. For detailed analysis results, please refer to the related links below. 【Case Overview】 ■ Software Used: PHOTO-VOLT or VOLTjω *For more details, please refer to the related links or feel free to contact us.

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[Analysis Case] Electric Field Analysis of Cylindrical Capacitor (Capacitance Calculation)

Not only VOLT, but also VOLTjω can be analyzed! Here are examples of analyses conducted under three conditions!

In this analysis case, we will introduce a comparison between the calculated values of the capacitance of a cylindrical capacitor and the theoretical solutions. We will analyze three conditions: "Cylindrical Capacitor (Air)", "Cylindrical Capacitor (Dielectric - Radial Two Layers)", and "Cylindrical Capacitor (Dielectric - Circumferential Two Layers)". Since this case involves electrostatic field analysis, it can be analyzed not only in VOLT but also in VOLTjω. For more details, please refer to the related links below. 【Case Overview】 ■ Software Used: PHOTO-VOLT or VOLTjω ■ Analysis Results - Cylindrical Capacitor (Air): 5.039E-11 - Cylindrical Capacitor (Dielectric - Radial Two Layers): 3.681E-10 - Cylindrical Capacitor (Dielectric - Circumferential Two Layers): 3.780E-10 *For more details, please refer to the related links or feel free to contact us.

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[Analysis Case] Thermal Conductivity Analysis of a Circular Cylinder (Comparison with Theoretical Solutions)

We will conduct thermal conduction analysis under three conditions! Here, we will introduce a case study using a circular pipe model.

We will introduce an analysis case that focuses on the boundary conditions used in thermal conduction analysis and compares the theoretical solution with simulation results. The thermal conduction analysis software "PHOTO-THERMO" can be used not only for coupled analysis using heat generation density obtained from electromagnetic field analysis but also as a standalone tool. In this case, we used a circular pipe model as shown in the left figure. We conducted thermal conduction analysis under three conditions: "constant temperature boundary condition," "heat generation density," and "heat transfer boundary condition." Since theoretical solutions can be obtained for all of these, you can evaluate the validity of the program by comparing the analysis results. 【Case Overview】 ■ Conditions for Thermal Conduction Analysis - Constant temperature boundary condition - Heat generation density - Heat transfer boundary condition *For more details, please refer to the related links or feel free to contact us.

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[Analysis Case] Induction Heating Analysis of Induction Furnace [Temperature Dependence of Electrical Conductivity]

The analysis type is axisymmetric analysis! A case study of magnetic field-thermal coupled analysis using temperature-dependent electrical conductivity.

Using the heat generation density obtained from magnetic field analysis, thermal conduction analysis will be conducted, resulting in a temperature distribution. This is an example of magnetic field-thermal coupled analysis using temperature-dependent electrical conductivity. The heated object is a metal filled in a crucible. An alternating current flows through the coil, and the metal is heated by the eddy currents flowing through it. In induction heating analysis, the temperature distribution varies depending on the elapsed time and the location of the analysis target. When the electrical conductivity has temperature-dependent characteristics, the distribution of electrical conductivity changes by location, necessitating a close coupled analysis of the magnetic field and heat. [Case Overview] ■ Analysis Type: Axisymmetric Analysis ■ Analysis Module: PHOTO - EDDYjω & THERMO ■ Coil: Current Density Vector ■ Frequency: 3 [kHz] ■ Conductor: Temperature Dependence of Electrical Conductivity *For more details, please refer to the related links or feel free to contact us.

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Electromagnetic field analysis software 'PHOTO-Series' <Demo version available>

Limited-time offer: Free demo version (download version) available! No expiration date. You can try out the same features as the full version, except for the element count limit.

The electromagnetic field analysis software 'PHOTO-Series' is a simulation tool that can visualize magnetic field distributions and eddy current density distributions. Based on the governing equations of electromagnetic phenomena, the "Maxwell equations," it visualizes the strength and direction of electromagnetic fields. It can cover a wide range of areas, from low-frequency electric field analysis to high-frequency electromagnetic field analysis such as radio waves. One of the non-destructive testing methods for detecting defects, the eddy current deep flaw method, is also a subject of analysis. ★ We will conduct a demo version giveaway campaign. <Campaign Period> November 1, 2023 (Wednesday) to January 31, 2024 (Wednesday) <Demo Version Overview> ◎ You can try the program without any time restrictions. ◎ All functions except for the number of elements (or nodes) limitations are the same as the product version. <Target Audience> ◎ Those considering purchasing the product. ◎ Those who want to actually experience what the software is like. ◎ Those who want to confirm the operational feel or practice operations. This is a campaign that has been conducted in the past and received positive feedback. If you are interested, please contact us via the "Contact Us" button below.

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Electromagnetic Field Analysis Software PHOTO-Series Product Lineup

Fast calculation speed allows for practical and full-fledged "electromagnetic field analysis" on a computer.

The PHOTO series is a general-purpose electromagnetic field analysis software developed to simulate electromagnetic phenomena utilized in a wide range of fields using computers. Although electromagnetic phenomena can be broadly categorized, the application areas of electromagnetism are extensive, and various numerical analysis methods have been devised. Furthermore, in real product design, it is necessary to evaluate not only the electromagnetic field but also various derived phenomena. To address these issues, the PHOTO series adopts the following methods: - Provides optimal solvers tailored to various application areas, from high-frequency electromagnetic waves to low-frequency electric and magnetic fields. - Each solver is composed of program modules for different analysis methods, allowing the selection of numerical analysis techniques suitable for the problem at hand. - Enables coupled analysis execution through combinations of modules, such as electromagnetic fields with heat conduction, electromagnetic forces with structural deformation, and vibrations. - Offers a product configuration that allows the selection of efficient modules according to various problems. Our company provides these modules combined into products, assuming standard applications for our customers. If there is a request to build a special analysis system, we also accommodate customization based on these module groups.

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3D Electromagnetic Wave Analysis Software (Frequency Response) WAVEjω

3D Electromagnetic Wave Frequency Response Analysis Software (High Frequency) PHOTO-WAVE jω

3D High-Frequency Electromagnetic Field Analysis Software Using Finite Element Method (High-Frequency Electromagnetic Field Simulator) with a Module for Frequency Response Analysis ■□■Features■□■ ■Since it is integrated with the PHOTO series pre- and post-processing tools, data creation, analysis, and result processing can be performed as a continuous operation. ■It is integrated with other PHOTO series modules, allowing for easy coupled analysis, such as calculating temperature distribution from heat generation obtained through electromagnetic field analysis. ■A revolutionary speed-up has been achieved by combining the edge element method and ICCG method. Therefore, 3D electromagnetic wave analysis (high-frequency analysis) is now possible on a personal computer. ■Using the finite element method makes it suitable for analyzing closed regions, especially those involving multiple media. ■When coupled with the thermal conduction analysis software PHOTO-THERMO, it is possible to calculate temperature distribution from heat generation within dielectrics.

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■Magnetic Field Analysis Software (Dynamic Magnetic Field, Considering Motion and Motion Equations) MOTION

Dynamic magnetic field analysis (dynamic magnetic field simulator for motion and motion equations)

Analysis of two-dimensional axisymmetric and three-dimensional transient response of dynamic magnetic fields using the finite element method, considering motion (Dynamic Magnetic Field Simulator) ■□■Features■□■ ■Since it is integrated with other PHOTO series modules, coupled analysis, such as obtaining temperature distribution from heat generation calculated by electromagnetic field analysis, can be easily performed. ■A revolutionary speedup has been achieved by combining edge element method and ICCG method (dozens of times faster than conventional finite element methods). ■The use of the finite element method ensures stable solutions, making it user-friendly even for beginners. ■By incorporating a slide interface for two-dimensional, axisymmetric, and three-dimensional problems, the motion of objects can be easily handled. ■The motion of objects due to electromagnetic forces can be calculated in real-time by solving the equations of motion.

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■Magnetic Field Analysis Software (Dynamic Magnetic Field / Transient Response) EDDY

EDDY: Transient response analysis software for 2D axisymmetric and 3D dynamic magnetic fields using the finite element method.

The software for magnetic field analysis using the finite element method (magnetic field simulator) performs static analysis and transient response analysis. It can handle three-dimensional, two-dimensional, and axisymmetric problems. ■□■Features■□■ ■Since it is an integrated pre-post tool dedicated to the PHOTO series, data creation, analysis, and result processing can be performed as a series of operations. ■It is integrated with other PHOTO series modules, allowing for easy coupled analysis, such as deriving temperature distribution from heat generation obtained through electromagnetic field analysis. ■A revolutionary speedup has been achieved through the combined use of edge element method and ICCG method (tens of times faster than conventional finite element methods). ■The use of the finite element method ensures stable solutions, making it safe for beginners to use. ■When coupled with the thermal conduction analysis software PHOTO-THERMO, it is possible to calculate temperature distribution from Joule heating within conductors.

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■Magnetic Field Analysis Software (Dynamic Magnetic Field / Frequency Response) EDDYjω

Frequency response analysis software for dynamic magnetic fields using the finite element method EDDY jω

Perform frequency response analysis Finite element method magnetic field analysis software (magnetic field simulator) ■□■Features■□■ ■Since it is integrated with the PHOTO series dedicated pre-post, data creation, analysis, and result processing can be performed as a series of operations. ■It is integrated with other PHOTO series modules, allowing for easy coupled analysis, such as obtaining temperature distribution from heat generation determined by electromagnetic field analysis. ■A revolutionary speedup has been achieved through the combined use of edge element method and ICCG method (dozens of times faster than conventional finite element methods). ■When a sine wave input is used and linear approximation holds, results can be obtained in a single calculation without the need for time-stepping calculations. ■Since it uses the finite element method, the solutions are stable, making it safe for beginners to use. ■Coupled calculations with thermal conduction analysis, stress analysis, and fluid analysis are easy.

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3D stress analysis software (frequency response) ELASjω

Finite element method software (simulator) for elastic vibration analysis performing frequency response analysis.

3D Frequency Response Analysis Software (Simulator) ■□■Features■□■ ■ Uses the ICCG method, allowing for fast calculations and analysis on a PC. ■ Utilizes the finite element method, ensuring stable solutions that are safe for beginners to use. ■ Capable of coupled calculations with electromagnetic field analysis. ■ Can perform vibration analysis and acoustic field analysis simultaneously.

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Stress Analysis
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soft×フォトン - List of Manufacturers, Suppliers, Companies and Products

soft Product List

[Analysis Case] Magnetization Analysis of a Cylindrical Magnet Considering Hysteresis "Hard Magnetism"

[Analysis Case] Nonlinear Static Magnetic Field Analysis of Magnetic Shielding

[Analysis Case] Predicting the magnetization distribution within a plastic magnet from measurement data.

[Analysis Case] Electric Field Analysis of Wound Type Capacitors

[Case Study] Nonlinear Electric Field Analysis of Cable Joints

[Analysis Case] Electric Field Analysis of Cylindrical Capacitor (Capacitance Calculation)

[Analysis Case] Thermal Conductivity Analysis of a Circular Cylinder (Comparison with Theoretical Solutions)

[Analysis Case] Induction Heating Analysis of Induction Furnace [Temperature Dependence of Electrical Conductivity]

Electromagnetic field analysis software 'PHOTO-Series' <Demo version available>

Electromagnetic Field Analysis Software PHOTO-Series Product Lineup

3D Electromagnetic Wave Analysis Software (Frequency Response) WAVEjω

■Magnetic Field Analysis Software (Dynamic Magnetic Field, Considering Motion and Motion Equations) MOTION

■Magnetic Field Analysis Software (Dynamic Magnetic Field / Transient Response) EDDY

■Magnetic Field Analysis Software (Dynamic Magnetic Field / Frequency Response) EDDYjω

3D stress analysis software (frequency response) ELASjω

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