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Analyst Waveguide Filter
Simulating this project is time-consuming. This example, with datasets included, is available at http://kb.awr.com/display/examples/Waveguide_Filter.
It was found during the development of this example that the "Curvature Refinement Level" setting in Analyst Mesh Tab was critical to better simulations of this type of filter. The refinement level had to be lowered so that the Analyst mesh represented the curvature of the posts more accurately than the default value. By adjusting this setting the simulation time was significantly reduced due to the convergence sensitivity of those posts.