■Magnetic Field Analysis Software (Dynamic Magnetic Field / Transient Response) EDDY
PHOTO-EDDY
EDDY: Transient response analysis software for two-dimensional axisymmetric and three-dimensional dynamic magnetic fields using the finite element method.
The software for dynamic 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 processor 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 obtaining temperature distribution from heat generation determined by electromagnetic field analysis. ■A revolutionary speed-up has been achieved through the combined use of 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 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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basic information
- Linear, nonlinear, and anisotropic permeability can be considered, and analysis that takes into account linear and anisotropic electrical conductivity can be performed. - The temperature dependence of permeability and electrical conductivity can be considered. (3D) - Analysis that takes into account eddy currents generated in conductors within a varying magnetic field can be performed. - Objects that move relative to each other can be handled using a slide interface. - Electromagnetic forces acting on magnetic materials and currents are calculated using Maxwell's stress, Lorentz force, and nodal force methods. - By calculating electromagnetic energy, the self and mutual inductance of coils can be evaluated. - As analysis results, magnetic flux density, eddy current distribution, and electromagnetic forces can be obtained. - There is an automatic current input function and a voltage input function. (3D) - Magnetization analysis can be performed by defining a hysteresis curve. - Restart function. - By specifying a closed curve, the magnetic flux passing through it can be calculated. - Continuous execution by reading multiple files is possible, and the types of output analysis results can be controlled. - The skin effect of primary side current can be considered. - A hysteresis model can be embedded.
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Applications/Examples of results
■□■Applicable Fields■□■ ■Fields where simulation of phenomena involving eddy currents is necessary ■Linear motors, magnetic heads, non-destructive testing (eddy current testing), induction heating, free electron lasers, induction machines, RFID-related, etc.
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Company information
At Photon, we are developing "electromagnetic field analysis software" that models and simulates products and components utilizing electromagnetic phenomena on computers. In traditional design and development environments, the process has primarily revolved around trial and error through prototypes based on the experience of engineers and experiments with those prototypes. However, conducting experiments with actual prototypes and analyzing the results requires significant time and cost. Moving forward, transitioning from an experimental and prototype-based approach to an analysis-based design is a critical issue for improving productivity, and establishing simulation technology as the core of analysis-based design techniques is a challenge. In this context, Photon is developing and providing "analysis software" focusing on electromagnetic fields, as well as heat, vibration, and sound fields. By utilizing Photon’s software, efficient development and design of various industrial products can be achieved. In this way, Photon aims to reduce the number of prototypes and development costs, shorten development periods in the manufacturing sites of our users, and ultimately support the enhancement of our users' competitiveness.