Exact mesh shape design of large cable-network antenna reflectors with flexible ring truss supports
An exact-designed mesh shape with favorable surface accuracy is of practical significance to the performance of large cable-network antenna reflectors. In this study, a novel design approach that could guide the generation of exact spatial parabolic mesh configurations of such reflector was proposed...
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| Veröffentlicht in: | Acta mechanica Sinica 2014-04, Vol.30 (2), p.198-205 |
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| container_title | Acta mechanica Sinica |
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| creator | Liu, Wang Li, Dong-Xu Yu, Xin-Zhan Jiang, Jian-Ping |
| description | An exact-designed mesh shape with favorable surface accuracy is of practical significance to the performance of large cable-network antenna reflectors. In this study, a novel design approach that could guide the generation of exact spatial parabolic mesh configurations of such reflector was proposed. By incorporating the traditional force density method with the standard finite element method, this proposed approach had taken the deformation effects of flexible ring truss supports into consideration, and searched for the desired mesh shapes that can satisfy the requirement that all the free nodes are exactly located on the objective paraboloid. Compared with the conventional design method,a remarkable improvement of surface accuracy in the obtained mesh shapes had been demonstrated by numerical examples. The present work would provide a helpful technical reference for the mesh shape design of such cable-network antenna reflector in engineering practice. |
| doi_str_mv | 10.1007/s10409-014-0029-6 |
| format | Article |
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In this study, a novel design approach that could guide the generation of exact spatial parabolic mesh configurations of such reflector was proposed. By incorporating the traditional force density method with the standard finite element method, this proposed approach had taken the deformation effects of flexible ring truss supports into consideration, and searched for the desired mesh shapes that can satisfy the requirement that all the free nodes are exactly located on the objective paraboloid. Compared with the conventional design method,a remarkable improvement of surface accuracy in the obtained mesh shapes had been demonstrated by numerical examples. 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In this study, a novel design approach that could guide the generation of exact spatial parabolic mesh configurations of such reflector was proposed. By incorporating the traditional force density method with the standard finite element method, this proposed approach had taken the deformation effects of flexible ring truss supports into consideration, and searched for the desired mesh shapes that can satisfy the requirement that all the free nodes are exactly located on the objective paraboloid. Compared with the conventional design method,a remarkable improvement of surface accuracy in the obtained mesh shapes had been demonstrated by numerical examples. The present work would provide a helpful technical reference for the mesh shape design of such cable-network antenna reflector in engineering practice.</description><subject>Accuracy</subject><subject>Antennas</subject><subject>Classical and Continuum Physics</subject><subject>Computational Intelligence</subject><subject>Density</subject><subject>Engineering</subject><subject>Engineering Fluid Dynamics</subject><subject>Finite element method</subject><subject>Mathematical analysis</subject><subject>Reflectors</subject><subject>Research Paper</subject><subject>Theoretical and Applied Mechanics</subject><subject>Trusses</subject><subject>器具</subject><subject>天线反射器</subject><subject>支撑</subject><subject>有线网络</subject><subject>桁架</subject><subject>网格结构</subject><subject>网状</subject><subject>设计方法</subject><issn>0567-7718</issn><issn>1614-3116</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFkTFv2zAQhYmiAeI6-QHZ2K2L0jtTIsWxMJI2QIAu7UxQFGXLlUmFRyHJvw8NBx3b6fBw7_HwPjJ2g3CLAOorIdSgK8C6AtjoSn5gK5RFCUT5ka2gkapSCttL9onoACAkKlwxd_diXeZHT3tOezt73nsad4HHgU827Tx3tpt8FXx-jukPtyH7ECxPfpi8yzERfx7znhf1MhYjT2PY8ZwWIk7LPMeU6YpdDHYif_0-1-z3_d2v7Y_q8ef3h-23x8qJFnJl9SC17K3qQcumc2ixAS83biiydBw6KTslysaB063oelG7ptZo7aB7RLFmX87vzik-LZ6yOY7k_DTZ4ONCBqVSWolWwf-tTYOIoGpZrHi2uhSJSm8zp_Fo06tBMCf25szeFPbmxN6cMptzhuYTD5_MIS4plPL_DH1-P7SPYfdUcn8v1bpudflI8QZXR5Ls</recordid><startdate>20140401</startdate><enddate>20140401</enddate><creator>Liu, Wang</creator><creator>Li, Dong-Xu</creator><creator>Yu, Xin-Zhan</creator><creator>Jiang, Jian-Ping</creator><general>The Chinese Society of Theoretical and Applied Mechanics; Institute of Mechanics, Chinese Academy of Sciences</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20140401</creationdate><title>Exact mesh shape design of large cable-network antenna reflectors with flexible ring truss supports</title><author>Liu, Wang ; Li, Dong-Xu ; Yu, Xin-Zhan ; Jiang, Jian-Ping</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c380t-a9f696da7d0965bc1a150e62cf965007fb66b735bcc0c983bd34c5491aaf9d113</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Accuracy</topic><topic>Antennas</topic><topic>Classical and Continuum Physics</topic><topic>Computational Intelligence</topic><topic>Density</topic><topic>Engineering</topic><topic>Engineering Fluid Dynamics</topic><topic>Finite element method</topic><topic>Mathematical analysis</topic><topic>Reflectors</topic><topic>Research Paper</topic><topic>Theoretical and Applied Mechanics</topic><topic>Trusses</topic><topic>器具</topic><topic>天线反射器</topic><topic>支撑</topic><topic>有线网络</topic><topic>桁架</topic><topic>网格结构</topic><topic>网状</topic><topic>设计方法</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Wang</creatorcontrib><creatorcontrib>Li, Dong-Xu</creatorcontrib><creatorcontrib>Yu, Xin-Zhan</creatorcontrib><creatorcontrib>Jiang, Jian-Ping</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Acta mechanica Sinica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Wang</au><au>Li, Dong-Xu</au><au>Yu, Xin-Zhan</au><au>Jiang, Jian-Ping</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Exact mesh shape design of large cable-network antenna reflectors with flexible ring truss supports</atitle><jtitle>Acta mechanica Sinica</jtitle><stitle>Acta Mech Sin</stitle><addtitle>Acta Mechanica Sinica</addtitle><date>2014-04-01</date><risdate>2014</risdate><volume>30</volume><issue>2</issue><spage>198</spage><epage>205</epage><pages>198-205</pages><issn>0567-7718</issn><eissn>1614-3116</eissn><abstract>An exact-designed mesh shape with favorable surface accuracy is of practical significance to the performance of large cable-network antenna reflectors. 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| source | Springer Nature - Complete Springer Journals; Alma/SFX Local Collection |
| subjects | Accuracy Antennas Classical and Continuum Physics Computational Intelligence Density Engineering Engineering Fluid Dynamics Finite element method Mathematical analysis Reflectors Research Paper Theoretical and Applied Mechanics Trusses 器具 天线反射器 支撑 有线网络 桁架 网格结构 网状 设计方法 |
| title | Exact mesh shape design of large cable-network antenna reflectors with flexible ring truss supports |
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