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Coupled integral equations method with open boundary conditions for calculation the characteristics of structured waveguides
M. I. Ayzatsky
https://arxiv.org/abs/2505.13086

Coupled integral equations method with open boundary conditions for calculation the characteristics of structured waveguides
The results of modification of the CASCIE code aimed at implementing open boundary conditions are presented. The accelerator section developed at CERN was chosen as a prototype for the structured waveguide under testing. Results of testing the CASCIE-M code confirms that the implementation of matrix open boundary conditions gives possibility to consider the structure in which waves enter and exit without additional reflections from couplers. It was shown that the dependence of the reflection co…