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| HIGH-ORDER 3-D EDGE-ELEMENT ANALYSIS OF THE 3-D DISCONTINUITY PROBLEMS IN GUIDED WAVE STRUCTURES |
| Xu Shanjia; Jia Dongyan |
| Dept. of Electro. Eng. Info. Sci., Univ. of Sci. and Tech. of China Hefei 230027 China |
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Abstract A 54 parameter high-order 3-D edge-element approach based on full magnetic vector variational formulas is discussed.This approach eliminates the spurious solutions efficiently and possesses very high accuracy.The analyses of the scattering characteristics of some 3-D discontinuity problems in guided wave structures verify the effective and reliability of the present method.The comparison between the numerical results obtained with 54 and 12 parameter edge element methods shows that the present approach is more accurate and efficient.
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Received: 21 May 1999
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2001, Vol. 23 
