■Magnetic Field Analysis Software (Dynamic Magnetic Field / Transient Response) EDDY
PHOTO-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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basic information
- Linear, nonlinear, and anisotropic permeability can be considered, and analysis that takes into account linear and anisotropic electrical conductivity is possible. - 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 sliding 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) - Magnetic analysis can be performed by defining the 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. - Hysteresis models 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 a computer. In traditional design and development environments, the process has primarily revolved around trial and error through prototyping based on the experience of engineers and experiments with prototypes. However, conducting experiments using actual prototypes and analyzing the results requires significant time and cost. Moving forward, transitioning from an experimental and prototyping-based approach to an analysis-based design approach will be a crucial challenge for improving productivity, and establishing simulation technology as the core of analysis-based design techniques will be essential. 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 support users in reducing the number of prototypes, lowering development costs, and shortening development periods in their manufacturing environments, ultimately enhancing their competitiveness.