Modeling of common mode currents on electric ship hull using scattering parameters

The behavioral modeling reported in this work is computationally efficient for use in modeling distributed currents and potentials throughout the open-form conductor that is the ship´s structure. Physics-based modeling is used to form a multiport S-parameter behavioral model of the ship´s structure that is compatible with S-parameter models of parasitic paths to grounded equipment enclosures and cables sheaths being developed by Florida State University, a university partner in the Electric Ship Research and Development Consortium. A time-domain common-mode conduction example is reported to illustrate the work flow that converts physics-based models of elementary hull elements into a complete S-parameter behavioral model of an arbitrary hull structure with power cables running along it.