Surface charging formulations for engineering applications: Validation by experiments and transient models
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Electrostatic BEM (Boundary Element Method) formulations are presented for the calculation of dielectric surface charging, including saturation and restrike phenomena. The simulation results turn out to be in agreement with surface potential measurements in a simple rod-barrier-plane configuration, where lightning impulses initiate streamers and charge accumulation on the barrier. The usefulness of the given BEM-formulation is additionally supported by transient charging simulations in the framework of an electric carrier drift model.