{"action":"created","issue":{"url":"https://api.github.com/repos/tmolteno/necpp/issues/53","repository_url":"https://api.github.com/repos/tmolteno/necpp","labels_url":"https://api.github.com/repos/tmolteno/necpp/issues/53/labels{/name}","comments_url":"https://api.github.com/repos/tmolteno/necpp/issues/53/comments","events_url":"https://api.github.com/repos/tmolteno/necpp/issues/53/events","html_url":"https://github.com/tmolteno/necpp/issues/53","id":305011779,"number":53,"title":"RCS computation of dihedral corner reflector","user":{"login":"vineethajoy","id":26398149,"avatar_url":"https://avatars2.githubusercontent.com/u/26398149?v=4","gravatar_id":"","url":"https://api.github.com/users/vineethajoy","html_url":"https://github.com/vineethajoy","followers_url":"https://api.github.com/users/vineethajoy/followers","following_url":"https://api.github.com/users/vineethajoy/following{/other_user}","gists_url":"https://api.github.com/users/vineethajoy/gists{/gist_id}","starred_url":"https://api.github.com/users/vineethajoy/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/vineethajoy/subscriptions","organizations_url":"https://api.github.com/users/vineethajoy/orgs","repos_url":"https://api.github.com/users/vineethajoy/repos","events_url":"https://api.github.com/users/vineethajoy/events{/privacy}","received_events_url":"https://api.github.com/users/vineethajoy/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":5,"created_at":"2018-03-14T03:35:27Z","updated_at":"2018-03-23T03:45:18Z","closed_at":"2018-03-23T03:45:18Z","author_association":"NONE","body":"I was trying to compute the monostatic RCS of a dihedral corner reflector(Plate length=0.3m, Plate thickness=0.005m, f=9.4GHz) using NEC. But somehow I am not getting correct results. The output I am getting is given below and the NEC input file is attached herewith.\r\n![plot](https://user-images.githubusercontent.com/26398149/37382044-4de9dfc0-2762-11e8-91a0-572cf22c07ce.PNG)\r\n\r\n[PEC-Dihedral-Tab-Delimiter-Tag-no-modify.txt](https://github.com/tmolteno/necpp/files/1809477/PEC-Dihedral-Tab-Delimiter-Tag-no-modify.txt)\r\n\r\nAny suggestion would be really helpful."},"comment":{"url":"https://api.github.com/repos/tmolteno/necpp/issues/comments/375535918","html_url":"https://github.com/tmolteno/necpp/issues/53#issuecomment-375535918","issue_url":"https://api.github.com/repos/tmolteno/necpp/issues/53","id":375535918,"user":{"login":"vineethajoy","id":26398149,"avatar_url":"https://avatars2.githubusercontent.com/u/26398149?v=4","gravatar_id":"","url":"https://api.github.com/users/vineethajoy","html_url":"https://github.com/vineethajoy","followers_url":"https://api.github.com/users/vineethajoy/followers","following_url":"https://api.github.com/users/vineethajoy/following{/other_user}","gists_url":"https://api.github.com/users/vineethajoy/gists{/gist_id}","starred_url":"https://api.github.com/users/vineethajoy/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/vineethajoy/subscriptions","organizations_url":"https://api.github.com/users/vineethajoy/orgs","repos_url":"https://api.github.com/users/vineethajoy/repos","events_url":"https://api.github.com/users/vineethajoy/events{/privacy}","received_events_url":"https://api.github.com/users/vineethajoy/received_events","type":"User","site_admin":false},"created_at":"2018-03-23T03:45:18Z","updated_at":"2018-03-23T03:45:18Z","author_association":"NONE","body":"As the thickness of the strip is very small compared to wavelength, I think the solvers are ultimately treating them as wires instead of strips. \r\nI tried a Dihedral two-plates problem (3D problem) and I am getting correct results. The plots are attached herewith. \r\nProblem dimensions:\r\nProblem Satement:\r\n100cm*100cm\r\nf=600MHz\r\nSegment length=0.04\r\nSegment radius=0.002\r\n\r\nRef: Fig.3.33 (P.no: 204) of the book \"Complex electromagnetic problems and numerical simulation approaches\" by Levent Sevgi.\r\n![monostatic rcs](https://user-images.githubusercontent.com/26398149/37810525-624e6f24-2e76-11e8-8061-7469be143b6b.PNG)\r\n![bistatic rcs](https://user-images.githubusercontent.com/26398149/37810528-64b9dcbc-2e76-11e8-8e0c-6e3950e208c3.PNG)\r\n"}}
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