Reduced order models in computational electromagnetics (in memory of Ruediger Vahldieck)

This paper reviews research of Ruediger Vahldieck's group and the group at the Gdansk University of Technology in the area of model order reduction techniques for accelerating full-wave simulations. The applications of reduced order models to filter design as well as of local and nested (multilevel) macromodels for solving 3D wave equations and wave-guiding problems using finite difference and finite element methods are discussed.