Dual full-wave formulations with Radiant Electric Circuit Element boundary conditions - Application to monopole antenna modeling

Electric Circuit Element (ECE) are special bounda r y conditions that enable a natural couplin g between electromagnetic devices and circuits. ECE can be generalized to allow for parts on the domain bounda r y where absorbing boundary conditions can be set, to model the unbounded space. This paper illustrates the implementation of radiant ECE in the 2D and 3D-finite element method , for a full-wave time-harmonic field in dual frequency-domain E and H formulations. The weak formulations are implemented in the free environment Open Numerical Engineering LABoratory (onelab). The formulations are proven to be well-posed (existence, uniqueness and stability of the weak solution are proven) and validated for a monopole antenna.