Arena Physica releases Heaviside-1, a 350M-parameter model of 3D electromagnetic fields

Arena Physica releases Heaviside-1, which takes 3D structures, material properties and excitations as input and predicts the full electric and magnetic vector fields at arbitrary points, not only S-parameters. It has 350M parameters, more than ten times Heaviside-0 from March, and was trained on 250,000 designs with 500 billion field samples. Arena reports that it runs 10,000 times faster than commercial solvers while staying within 1 dB, and that supervising on fields reduced out-of-distribution S-parameter error from 0.99 dB to 0.53 dB. The company also introduces EMVal v1.0, a benchmark with S-parameter and near-field tracks, and a public version of its standard split.

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