Abstract
The problem of scattering from jet engine inlets is very important in applied electromagnetics, but standard numerical methods are expensive to employ, due to excessive memory and CPU time requirements. To reduce the computational cost the inherent cylindrical periodicity of the geometry is exploited, in conjunction with the adaptive integral method (AIM), one of the so-called fast algorithms, with memory requirements and complexity as low as O(N/sup 1/.5) and O(N/sup 1/.5log/sub 2/N) respectively. We investigate the application of AIM for radar cross section computations of simplified jet engine inlet models.
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