Koichi HIRAYAMA

Optimization Design of Conductor Geometry in H-Plane Waveguide Circuit by Level Set Method
Yusuke TSUDUKI  Koichi HIRAYAMA  Takashi YASUI  Shingo SATO  Yasuhide TSUJI  Shintaro YAMASAKI  Shinji NISHIWAKI 
Publication:   C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2012/07/01
Vol. J95-C  No. 7  pp. 139-143
Type of Manuscript: LETTER
Category: 
Keyword: 
level set method,  optimization design,  finite element method,  microwave circuit, 
  Summary |  Full Text(in Japanese):PDF (847.3KB)
A Solution of Plane Wave Scattering by Doubly Periodic Structures in Three Dimensional Space Using Hybrid Trefftz Finite Elements
Shingo SATO  Koji HASEGAWA  Koichi HIRAYAMA 
Publication:   C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2011/10/01
Vol. J94-C  No. 10  pp. 277-287
Type of Manuscript: PAPER
Category: 
Keyword: 
hybrid Trefftz finite element method,  three dimensional analysis,  doubly periodic structure,  scattering characteristic, 
  Summary |  Full Text(in Japanese):PDF (1MB)