I recently had an Internet experience that I have repeated far too often. I needed saturation data for 1008 and 1018 steel for a magnet calculation. These are two of the most common materials used in electromagnets, motors and transformers. The devices are clearly useful — their design involves 100s of thousands of people around the [...]
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There has been considerable recent interest in the design of injectors for intense electron beams with non-circular cross sections. The motivating application is the generation of narrow sheet beams to drive novel high-frequency, high-power microwave sources. A sign of the importance of the problem is that U.S. taxpayers have felt compelled to spend 2.743 gazillion dollars [...] One of the major task in simulating three-dimensional electromagnets is the definition of complex drive coils. The utility MagWinder is part of the Magnum program suite. Drive circuits are represented in Magnum by dividing them into a large set of short segments (or current elements). MagWinder provides an interactive environment where users can build magnet windings [...] Mesh is our automatic generator for 2D meshes of conformal triangular elements. The program includes a convenient Drawing Editor to define boundaries of regions (physical objects) in the solution volume. This mini-CAD utility is easy to use and has many useful features. Nonetheless we included the option to import data from popular CAD programs for two [...] Emittance characterizes the degree of disorder in a charged particle beam. The transverse emittance parametrizes the thermal spread of transverse momentum. Random motion results in an effective pressure that determines focusing forces necessary to confine a beam as well as the minimum spot size of a focused beam. My text Charged Particle Beams (available for download [...] |
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