Article(id=1242120606771123166, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1242120596776096697, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1269532800000, receivedDateStr=2010-03-26, revisedDate=1282060800000, revisedDateStr=2010-08-18, acceptedDate=null, acceptedDateStr=null, onlineDate=1285603200000, onlineDateStr=2010-09-28, pubDate=1285603200000, pubDateStr=2010-09-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1285603200000, onlineIssueDateStr=2010-09-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774074230134, creator=sys-migrate, updateTime=1774074230134, updator=sys-migrate, issue=Issue{id=1242120596776096697, tenantId=1146029695717560320, journalId=1146031591421210625, year='2010', volume='28', issue='18', pageStart='3', pageEnd='140', issueExtLink='null', onlineDate='null', pubDate='1285603200000', pubDateStr='2010-09-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=3, issueType=-1, specialIssue=null, createTime=1774074227753, creator='sys-migrate', updateTime=1774074227753, updator='sys-migrate', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=52, endPage=56, ext={EN=ArticleExt(id=1242120609589694466, articleId=1242120606771123166, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Numerical Methods of Pressure-Impulse Diagrams for Damages of Plates Under Blast Loads, columnId=1242116080374710456, journalTitle=Science & Technology Review, columnName=Articles, runingTitle=null, highlight=null, articleAbstract=The different damage levels of targets can be expressed by different P-I diagrams. P-I diagrams, which are very important in the estimation of the blasting effect on targets, also provide a basis for the design of protective structures. Targets can be represented by metal plates with a certain thickness, and with the reflected parameters, the reflected pressure-impulse criterion can be used to assess the damage caused by the blast. This paper combines the analytical and numerical methods to obtain the P-I diagrams of a certain metal plate. Using the finite element analysis software ANSYS/LS-DYNA, the numerical model is built, where the process of TNT column blasting above the metal plate is simulated. The variations of pressure and impulse are studied, for different mass of TNT and the blast distance. With the obtained P-I diagrams, the coefficients affected by the boundary condition of the experiments are studied. The results of the experiments and simulations are found in good agreement, which validates the numerical model., authors=null, authorsList=null, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=t4I/Wc/4Rx7hi5lnYszyKQ==, pdfFileSize=1891720, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1242120608289461231, articleId=1242120606771123166, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=爆炸冲击波作用下的金属板损伤P-I图仿真, columnId=1146540929516700224, journalTitle=科技导报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=目标损伤的P-I图是确定冲击波对目标的毁伤效果及防护设计的重要依据。目标可等效为一定厚度的金属靶板，考虑冲击波在靶板上反射参数，由反射的“超压-冲量”准则评价冲击波对目标的损伤效应。由理论推导与数值分析相结合的方法获得靶板损伤的P-I图。应用有限元动力学分析软件ANSYS/LS-DYNA，建立了TNT炸药柱对靶板作用的数值模拟方法，进而研究了装药质量和作用距离变化对作用在靶板上超压与冲量的影响，得到了靶板不同损伤等级的P-I图。通过与试验结果比较，两者符合较好，验证了方法的正确性。, authors=^{陈 赟1，冯顺山1，王 芳1，胡松涛2}, authorsList=陈 赟;冯顺山;王 芳;胡松涛, authorCompany=1. 北京理工大学；爆炸科学与技术国家重点实验室，北京 1000812. 国营9374厂，合肥 230041, correspAuthors=null, authorNote=null, correspAuthorsNote=陈赟, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=+4h1SABnBrYuedFYHqanmg==, pdfFileSize=1891720, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null)}, authors=[Author(id=1278809152663306259, tenantId=1146029695717560320, journalId=null, articleId=1242120606771123166, orderNo=null, 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