Efficient Implementation of the Divergence-Preserved ADI-FDTD Method
Unlike its conventional version, an unconditionally stable alternating-direction-implicit (ADI) finite-difference time-domain (FDTD) method was recently proposed that retains the correct divergence property but with higher computation expenditure. In this letter, a newly formulated divergence-preser...
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| Veröffentlicht in: | IEEE antennas and wireless propagation letters 2012, Vol.11, p.1560-1563 |
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| container_title | IEEE antennas and wireless propagation letters |
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| creator | Yang, Shunchuan Chen, Zhizhang Yu, Yiqiang Ponomarenkno, Sergey |
| description | Unlike its conventional version, an unconditionally stable alternating-direction-implicit (ADI) finite-difference time-domain (FDTD) method was recently proposed that retains the correct divergence property but with higher computation expenditure. In this letter, a newly formulated divergence-preserved ADI-FDTD method is proposed. It takes about 41.7% less count of floating-point operations than the original divergence-preserved ADI-FDTD method without scarifying accuracy. Detailed analysis and numerical examples are presented to verify the improvement of computational efficiency. |
| doi_str_mv | 10.1109/LAWP.2012.2236636 |
| format | Article |
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In this letter, a newly formulated divergence-preserved ADI-FDTD method is proposed. It takes about 41.7% less count of floating-point operations than the original divergence-preserved ADI-FDTD method without scarifying accuracy. Detailed analysis and numerical examples are presented to verify the improvement of computational efficiency.</description><subject>Accuracy</subject><subject>Alternating-direction-implicit finite-difference time-domain (ADI-FDTD) method</subject><subject>Computational efficiency</subject><subject>divergence -free</subject><subject>divergence preservation</subject><subject>Finite difference methods</subject><subject>Floating-point arithmetic</subject><subject>floating-point operation</subject><subject>Memory management</subject><subject>Time domain analysis</subject><subject>unconditionally stability</subject><issn>1536-1225</issn><issn>1548-5757</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kM1Kw0AUhQdRsFYfQNzkBabeeyczySxL09ZCxS4qLkMyuWMjbVMmoeDbm9Di6pzF-YFPiGeECSLY1_X0azMhQJoQKWOUuREj1HEqdaKT28ErI5FI34uHtv0BwMRoNRLZ3Pva1XzsotXhtOdD74qubo5R46Nux1FWnzl889Gx3ARuOZy5iqbZSi6ybRa9c7drqkdx54t9y09XHYvPxXw7e5Prj-VqNl1LR0Z30jvU2hToq6ICAkfelZWzOinL2DmdglVGlTb1cYkxAPkSMSagxGJsjQc1FnjZdaFp28A-P4X6UITfHCEfMOQDhnzAkF8x9J2XS6dm5v-8Ubb_I_UHUrhYDA</recordid><startdate>2012</startdate><enddate>2012</enddate><creator>Yang, Shunchuan</creator><creator>Chen, Zhizhang</creator><creator>Yu, Yiqiang</creator><creator>Ponomarenkno, Sergey</creator><general>IEEE</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>2012</creationdate><title>Efficient Implementation of the Divergence-Preserved ADI-FDTD Method</title><author>Yang, Shunchuan ; Chen, Zhizhang ; Yu, Yiqiang ; Ponomarenkno, Sergey</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c265t-fc1556a1fdad020c2fcbdc957bb4cc5809363b98f4b14002fb114202791496f03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Accuracy</topic><topic>Alternating-direction-implicit finite-difference time-domain (ADI-FDTD) method</topic><topic>Computational efficiency</topic><topic>divergence -free</topic><topic>divergence preservation</topic><topic>Finite difference methods</topic><topic>Floating-point arithmetic</topic><topic>floating-point operation</topic><topic>Memory management</topic><topic>Time domain analysis</topic><topic>unconditionally stability</topic><toplevel>online_resources</toplevel><creatorcontrib>Yang, Shunchuan</creatorcontrib><creatorcontrib>Chen, Zhizhang</creatorcontrib><creatorcontrib>Yu, Yiqiang</creatorcontrib><creatorcontrib>Ponomarenkno, Sergey</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><jtitle>IEEE antennas and wireless propagation letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Yang, Shunchuan</au><au>Chen, Zhizhang</au><au>Yu, Yiqiang</au><au>Ponomarenkno, Sergey</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Efficient Implementation of the Divergence-Preserved ADI-FDTD Method</atitle><jtitle>IEEE antennas and wireless propagation letters</jtitle><stitle>LAWP</stitle><date>2012</date><risdate>2012</risdate><volume>11</volume><spage>1560</spage><epage>1563</epage><pages>1560-1563</pages><issn>1536-1225</issn><eissn>1548-5757</eissn><coden>IAWPA7</coden><abstract>Unlike its conventional version, an unconditionally stable alternating-direction-implicit (ADI) finite-difference time-domain (FDTD) method was recently proposed that retains the correct divergence property but with higher computation expenditure. 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| subjects | Accuracy Alternating-direction-implicit finite-difference time-domain (ADI-FDTD) method Computational efficiency divergence -free divergence preservation Finite difference methods Floating-point arithmetic floating-point operation Memory management Time domain analysis unconditionally stability |
| title | Efficient Implementation of the Divergence-Preserved ADI-FDTD Method |
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