Beam coupling impedances for perforated beam pipes with general shape from impedance boundary conditions
Author(s) -
S. Petracca
Publication year - 1999
Publication title -
physical review. e, statistical physics, plasmas, fluids, and related interdisciplinary topics
Language(s) - English
Resource type - Journals
eISSN - 1095-3787
pISSN - 1063-651X
DOI - 10.1103/physreve.60.6030
Subject(s) - electrical impedance , transverse plane , beam (structure) , coupling (piping) , boundary (topology) , boundary value problem , materials science , acoustics , mechanics , physics , optics , structural engineering , mathematical analysis , composite material , engineering , mathematics , quantum mechanics
An equivalent wall impedance to describe the electromagnetic boundary conditions at perforated pipe walls is introduced. The new impedance boundary condition, together with general formulas for computing longitudinal and transverse beam coupling impedances in complex heterogeneous pipes, provides a good trade-off between computational accuracy and ease.
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