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Computation of rado...
Computation of radome reference cases using a rotationally symmetric full wave solver
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- Sjöberg, Daniel (författare)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Teoretisk elektroteknik,Forskargrupper vid Lunds universitet,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH,Electromagnetic Theory,Lund University Research Groups
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(creator_code:org_t)
- 2022
- Engelska 25 s.
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Serie: Technical Report LUTEDX/(TEAT-7273)/1-23/(2022) ; TEAT-7273
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Abstract
Ämnesord
Stäng
- We demonstrate how to compute radome reference cases for benchmarkingradome codes. Radomes are electrically large structures, and to facilitate thecomputations a rotationally symmetric structure is assumed. We show howto implement this in the commercial software Comsol Multiphysics, and howto extract the relevant data for comparison. Two example geometries areanalyzed: a spherical shell radome, and an ogive shaped radome. In eachcase, the radome is in the order of ten wavelengths, but it is still possible tosimulate on a regular laptop platform in about a minute. Using a platform withmore memory and spending more time to simulate more modes and synthesizethe results, reference cases for even larger radomes with realistic feeds can besimulated, which is suggested as a topic for future studies. Results for anogive shaped radome with a diameter of 30 and 50 wavelengths using a highlysymmetrical antenna are provided.
Ämnesord
- NATURVETENSKAP -- Matematik -- Beräkningsmatematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Computational Mathematics (hsv//eng)
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