Article(id=1242132337857733251, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1242132333717955188, articleNumber=null, orderNo=5, doi=10.3981/j.issn.1000-7857.2014.22.003, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1398009600000, receivedDateStr=2014-04-21, revisedDate=1402416000000, revisedDateStr=2014-06-11, acceptedDate=null, acceptedDateStr=null, onlineDate=1408084870047, onlineDateStr=2014-08-15, pubDate=1407427200000, pubDateStr=2014-08-08, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1408084870047, onlineIssueDateStr=2014-08-15, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774077027045, creator=sys-migrate, updateTime=1774077027045, updator=sys-migrate, issue=Issue{id=1242132333717955188, tenantId=1146029695717560320, journalId=1146031591421210625, year='2014', volume='32', issue='22', pageStart='1', pageEnd='95', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=3, issueType=-1, specialIssue=null, createTime=1774077026057, creator=sys-migrate, updateTime=1774077026057, updator=sys-migrate, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=29, endPage=33, ext={EN=ArticleExt(id=1242132341229958000, articleId=1242132337857733251, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Realization of the Viscoelastic Boundary Conditions Based on Wave Equations in Ansys Software, columnId=1242116080374710456, journalTitle=Science & Technology Review, columnName=Articles, runingTitle=null, highlight=null, articleAbstract=This paper researched boundary conditions of numerical simulation of seismic wave field in the application of finite element software Ansys. We propose a viscoelastic boundary conditions based on wave equation. Deduced from the wave equation and a viscoelastic boundary conditions theoretical foundation established, we selected damping Combin 14 unit as load finite element method, adopted APDL code successfully to apply viscoelastic boundary conditions in Ansys. The examples set up a virtual detector in the model boundaries, loaded Ricker wavelet source, extract wave field snapshot and time recording. Compared results demonstrate that viscoelastic boundary conditions imposed can well absorb boundary reflection, it shows the effectiveness of the viscoelastic model boundary conditions., correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=diPBpnqdzWE0iox+C7AaDQ==, pdfFileSize=2414149, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=1. Faculty of Geoscience and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China;
2. Northwest Research Institute Co., Ltd. of CREC, Lanzhou 730000, China;
3. College of Civil Engineering, Sichuan Agricultural University, Chengdu 611830, China, fund=null, authors=LIN Yi^1,2, WANG Zhaoling^1,3, LIU Zhengping¹, NIU Dongxing², authorsList=LIN Yi, WANG Zhaoling, LIU Zhengping, NIU Dongxing), CN=ArticleExt(id=1242132340252680847, articleId=1242132337857733251, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=基于波动方程的Ansys模型黏弹性边界条件研究, columnId=1146540929516700224, journalTitle=科技导报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=研究了应用Ansys 有限元软件进行地震波场数值模拟的边界条件问题，提出一种基于波动方程的Ansys 模型黏弹性边界条件构建方法。由波动方程推导并建立了黏弹性边界条件的理论基础，在Ansys 模型中选用带阻尼的Combin14 单元作为加载有限元，采用APDL 代码成功地将黏弹性边界条件施加于Ansys 模型中。对模型进行实例计算，在模型边界设置虚拟检波器，加载Ricker 子波震源，提取计算后的波场快照和时间记录进行对比，结果显示，所施加的黏弹性边界条件可以很好地吸收边界反射波，表明了该方法所构建的Ansys 模型黏弹性边界条件的有效性。, correspAuthors=null, authorNote=林义，博士研究生，工程师，研究方向为隧道地震超前预报，电子信箱：766708597@qq.com, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=Xwh7KzPfOIwoyw6msSkgcg==, pdfFileSize=2414149, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=1. 西南交通大学地球科学与环境工程学院, 成都610031;
2. 中铁西北科学研究院有限公司, 兰州730000;
3. 四川农业大学土木工程学院, 成都611830, fund=国家自然科学基金项目（40874051）, authors=林义^1,2, 王朝令^1,3, 刘争平¹, 牛东兴², authorsList=林义, 王朝令, 刘争平, 牛东兴)}, authors=null, keywords=[Keyword(id=1242132339921330827, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1242132337857733251, language=CN, orderNo=1, keyword=Ansys 模型), Keyword(id=1242132340009411213, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1242132337857733251, language=CN, orderNo=1, keyword=黏弹性边界), Keyword(id=1242132340093297295, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1242132337857733251, language=CN, orderNo=1, keyword=波动方程), Keyword(id=1242132340906996588, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1242132337857733251, language=EN, orderNo=1, keyword=Ansys software), Keyword(id=1242132340990882670, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1242132337857733251, language=EN, orderNo=1, keyword=viscoelastic boundary), 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