scholarly journals Characterization and integration of the singular test integrals in the method‐of‐moments implementation of the electric‐field integral equation

2021 ◽  
Vol 124 ◽  
pp. 185-193
Author(s):  
Brian A. Freno ◽  
William A. Johnson ◽  
Brian F. Zinser ◽  
Donald R. Wilton ◽  
Francesca Vipiana ◽  
...  
2020 ◽  
Vol 35 (11) ◽  
pp. 1406-1407
Author(s):  
Charles Braddock ◽  
Andrew Peterson

Local error estimators are investigated for use with numerical solutions of the electric field integral equation. Three-dimensional test targets include a sphere, disk, NASA almond, and a Lockheed Martin Expedite aircraft model. Visual plots and correlation coefficients are used to assess the accuracy of the estimators. It is shown that the inexpensive discontinuity estimators are usually as accurate as the residual method.


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