Page 32 of Field Precision Catalog by Field Precision

nelson 6.0 function two-dimensional rf and ac magnetic fields in materials with eddy currents description nelson 6.0 is a versatile numerical tool to find rf and ac magnetic fields in conductive media you can define up to 127 regions to represent coils or different materials the amplitude and phase of the harmonic coil currents or vector potential on surfaces may be set individually conductive materials are characterized by values of the electrical conductivity and relative magnetic permeability the interactive graphics analysis menu provides full information on the amplitude and phase of the magnetic field eddy currents and other derived quantities throughout the solution regions the program makes screen and hardcopy plots of magnetic field lines and colored screen plots of electric field and resistive energy deposition the frequency-domain solutions of nelson are limited to linear materials and excitation at a single frequency the time-domain pulse code calculates magnetic fields for non-linear magnetic materials with arbitrary drive current waveforms features · output files may be ported to tdiff for coupled thermal analysis · easy-to-understand instruction manual with ready-to-run examples · direct plots of magnetic fields lines element plots of calculated quantities magnetic field induced electrical field current density power density · publication-quality hardcopy with support for all installed windows print devices including color printers · interactive point-and-click analysis of solutions 32

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