Аннотация:We report the development of a hybrid numerical/analytical model capable of mapping the spatially varyingdistributions of the local ferromagnetic resonance (FMR) frequency and dynamic magnetic susceptibility ina wide class of patterned and compositionally modulated magnetic structures. Starting from the numericallysimulated static micromagnetic state, the magnetization is deliberately deflected orthogonally to its equilibriumorientation, and the magnetic fields generated in response to this deflection are evaluated using micromagneticsoftware. This allows us to calculate the elements of the effective demagnetizing tensor, which are then usedwithin a linear analytical formalism to map the local FMR frequency and dynamic magnetic susceptibility. Toillustrate the typical results that one can obtain using this model, we analyze three micromagnetic systems boastingnonuniformity in either one or two dimensions, and successfully explain the spin-wave emission observed in eachcase, demonstrating the ubiquitous nature of the Schlömann excitationmechanism underpinning the observations.Finally, the developed model of local FMR frequency can be used to explain how spin waves could be confinedand steered using magnetic nonuniformities of various origins, rendering it a powerful tool for the mapping ofthe graded magnonic index in magnonics.