Singularity-free approach for the evaluation of the matrix elements in the context of the method of moments based on the use of closed-form expressions for the fields radiated by the subdomain basis functions

In this work, the authors proposed a new method for the above field calculation, which utilizes the analytical expression for the near fields radiated by an electrically small dipole. The proposed method is found to be well suited for mitigating the problem of singularities encountered in the process of field computation while constructing the MoM matrix.