首页|4-component 2-D CFDFD method in analysis of lossy circular waveguide with fractal rough surface
4-component 2-D CFDFD method in analysis of lossy circular waveguide with fractal rough surface
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In this paper, equivalent surface impedance boundary condition (ESIBC), which takes fractal parameters (D, G)into SIBC, is implemented in the 4-component 2-D compact finite difference frequency domain (2-D CFDFD) method to analyze the propagation characteristics of lossy circular waveguide with fractal rough surface based on Weierstrass-Mandelbrot (W-M) function. Fractal parameters' effects on attenuation constant are presented in the 3 mm lossy circular waveguide, and the attenuation constants of the first three modes vary monotonically with scaling constant (G) and decrease as the fractal dimension (D) increasing.
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