{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1390282680285359232.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.2208/jscej.1995.525_109"}},{"identifier":{"@type":"NDL_BIB_ID","@value":"3635158"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/bib/3635158"}},{"identifier":{"@type":"URI","@value":"https://ndlsearch.ndl.go.jp/books/R000000004-I3635158"}},{"identifier":{"@type":"URI","@value":"https://www.jstage.jst.go.jp/article/jscej1984/1995/525/1995_525_109/_pdf"}},{"identifier":{"@type":"NAID","@value":"130003800751"}},{"identifier":{"@type":"NAID","@value":"10001629602"}}],"dc:title":[{"@language":"en","@value":"A STUDY ON GENERATING MECHANISM OF ULTRASONIC TIP ECHO REFLECTED FROM THE SHARP TIPS OF A FLAW"},{"@language":"ja","@value":"シャープな欠陥からの超音波端部エコーの発生挙動とその特性"},{"@language":"ja-Kana","@value":"シャープ ナ ケッカン カラ ノ チョウオンパ タンブ エコー ノ ハッセイ"}],"description":[{"type":"abstract","notation":[{"@language":"en","@value":"A study on clarifying the generating mechanism of tip echo, the relationship between the characteristics of tip echo and shape, size of flaw are clarified by both numerical simulation and experiment.<br>The tip echo is the scattered wave which results from by the shear deformation at the tip of flaw. The intensity of tip echo is dependent on the size of flaw tip. The phase of tip echo is delayed 1/4 of wave length of at flaw tip. The waveforms of tip echoes reflected from the right are reversed against those of the left ends in the direction of width of a flaw and the same phase change occurs between the waveforms from top and bottom ends of a vertical flaw."},{"@language":"ja","@value":"鋭い欠陥端部から発生する端部エコーの発生メカニズム, 及び端部エコーの特性と欠陥形状, 寸法との関係を数値シミュレーションと実験により検討した. 端部エコーは欠陥の先端近傍がせん断変形することにより生じる散乱波であり, 端部エコーの強さは欠陥先端の寸法に依存すること, 端部エコーの位相は欠陥の先端から1/4周期遅れること, 欠陥の上下端の端部エコーの波形が逆転することなどの特性を明らかにした."}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410282680285359232","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000254309655"},{"@type":"NRID","@value":"9000002425010"}],"foaf:name":[{"@language":"ja","@value":"劉 銘崇"},{"@language":"en","@value":"Liou Ming-Chung"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"社団法人 土木学会"},{"@language":"en","@value":"JAPAN SOCIETY OF CIVIL ENGINEERS"},{"@language":"ja","@value":"東京工業大学大学院"},{"@language":"ja","@value":"現在 日本技術開発 (株) 土木本部構造橋梁部"}]},{"@id":"https://cir.nii.ac.jp/crid/1030003658374510339","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"20016645"},{"@type":"NRID","@value":"1000020016645"},{"@type":"NRID","@value":"9000254309656"},{"@type":"NRID","@value":"9000254807354"},{"@type":"NRID","@value":"9000283601898"},{"@type":"NRID","@value":"9000258262556"},{"@type":"NRID","@value":"9000018267498"},{"@type":"NRID","@value":"9000254306513"},{"@type":"NRID","@value":"9000254796208"},{"@type":"NRID","@value":"9000254312874"},{"@type":"NRID","@value":"9000254802213"},{"@type":"NRID","@value":"9000283600093"},{"@type":"NRID","@value":"9000257797135"},{"@type":"NRID","@value":"9000020104905"},{"@type":"NRID","@value":"9000350548072"},{"@type":"NRID","@value":"9000254794577"},{"@type":"NRID","@value":"9000254304392"},{"@type":"NRID","@value":"9000254314889"},{"@type":"NRID","@value":"9000254313917"},{"@type":"NRID","@value":"9000254799485"},{"@type":"NRID","@value":"9000254795643"},{"@type":"NRID","@value":"9000254798359"},{"@type":"NRID","@value":"9000257908960"},{"@type":"NRID","@value":"9000257908603"},{"@type":"NRID","@value":"9000254794566"},{"@type":"NRID","@value":"9000254807147"},{"@type":"NRID","@value":"9000257909356"},{"@type":"NRID","@value":"9000283600029"},{"@type":"NRID","@value":"9000257908923"},{"@type":"NRID","@value":"9000257914956"},{"@type":"NRID","@value":"9000375879155"},{"@type":"NRID","@value":"9000254312316"},{"@type":"NRID","@value":"9000254310965"},{"@type":"NRID","@value":"9000254311491"},{"@type":"NRID","@value":"9000254313931"},{"@type":"NRID","@value":"9000254799128"},{"@type":"NRID","@value":"9000254808801"},{"@type":"NRID","@value":"9000254802837"},{"@type":"NRID","@value":"9000008869859"},{"@type":"NRID","@value":"9000016098442"},{"@type":"NRID","@value":"9000254307236"},{"@type":"NRID","@value":"9000254306005"},{"@type":"NRID","@value":"9000254312296"},{"@type":"NRID","@value":"9000254312823"},{"@type":"NRID","@value":"9000254803973"},{"@type":"NRID","@value":"9000254807934"},{"@type":"NRID","@value":"9000257908750"},{"@type":"NRID","@value":"9000257908817"},{"@type":"NRID","@value":"9000257797265"},{"@type":"NRID","@value":"9000257797129"},{"@type":"NRID","@value":"9000254794714"},{"@type":"NRID","@value":"9000254807349"},{"@type":"NRID","@value":"9000284280851"},{"@type":"NRID","@value":"9000254313702"},{"@type":"NRID","@value":"9000254795117"},{"@type":"NRID","@value":"9000254795155"},{"@type":"NRID","@value":"9000254802235"},{"@type":"NRID","@value":"9000254304500"},{"@type":"NRID","@value":"9000254313886"},{"@type":"NRID","@value":"9000254308677"},{"@type":"NRID","@value":"9000254809626"},{"@type":"NRID","@value":"9000254800726"},{"@type":"NRID","@value":"9000254796760"},{"@type":"NRID","@value":"9000254797335"},{"@type":"NRID","@value":"9000257908979"},{"@type":"NRID","@value":"9000283600238"},{"@type":"NRID","@value":"9000345224199"},{"@type":"NRID","@value":"9000254793873"},{"@type":"NRID","@value":"9000254304551"},{"@type":"NRID","@value":"9000254664805"},{"@type":"NRID","@value":"9000254314841"},{"@type":"NRID","@value":"9000254311400"},{"@type":"NRID","@value":"9000254797366"},{"@type":"NRID","@value":"9000254806463"},{"@type":"NRID","@value":"9000255842881"},{"@type":"NRID","@value":"9000257909037"},{"@type":"NRID","@value":"9000257912350"},{"@type":"NRID","@value":"9000257908870"},{"@type":"NRID","@value":"9000283600233"},{"@type":"NRID","@value":"9000283600123"},{"@type":"NRID","@value":"9000256480381"},{"@type":"NRID","@value":"9000256481263"},{"@type":"NRID","@value":"9000254795142"},{"@type":"NRID","@value":"9000254798151"},{"@type":"NRID","@value":"9000254802243"},{"@type":"NRID","@value":"9000254802244"},{"@type":"NRID","@value":"9000259833082"},{"@type":"NRID","@value":"9000283600060"},{"@type":"NRID","@value":"9000256480963"},{"@type":"NRID","@value":"9000345397779"},{"@type":"NRID","@value":"9000315683126"},{"@type":"NRID","@value":"9000254662800"},{"@type":"NRID","@value":"9000254308601"},{"@type":"NRID","@value":"9000254310261"},{"@type":"NRID","@value":"9000254308814"},{"@type":"NRID","@value":"9000254314874"},{"@type":"NRID","@value":"9000255808387"},{"@type":"NRID","@value":"9000345430780"},{"@type":"NRID","@value":"9000254805245"},{"@type":"NRID","@value":"9000257909025"},{"@type":"NRID","@value":"9000257908618"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0008320"}],"foaf:name":[{"@language":"en","@value":"Miki Chitoshi"},{"@language":"ja","@value":"三木 千壽"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"社団法人 土木学会"},{"@language":"en","@value":"JAPAN SOCIETY OF CIVIL ENGINEERS"},{"@language":"ja","@value":"東京工業大学 工学部土木工学科"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"02897806"},{"@type":"EISSN","@value":"18827187"},{"@type":"NDL_BIB_ID","@value":"000000040448"},{"@type":"ISSN","@value":"02897806"},{"@type":"LISSN","@value":"02897806"},{"@type":"NCID","@value":"AN10014020"}],"prism:publicationName":[{"@language":"en","@value":"Doboku Gakkai Ronbunshu"},{"@language":"ja","@value":"土木学会論文集"},{"@language":"en","@value":"Doboku Gakkai Ronbunshu"},{"@language":"ja","@value":"土木学会論文集"}],"dc:publisher":[{"@language":"en","@value":"Japan Society of Civil Engineers"},{"@language":"ja","@value":"公益社団法人 土木学会"}],"prism:publicationDate":"1995-10-21","prism:volume":"1995","prism:number":"525","prism:startingPage":"109","prism:endingPage":"116"},"reviewed":"false","url":[{"@id":"http://id.ndl.go.jp/bib/3635158"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I3635158"},{"@id":"https://www.jstage.jst.go.jp/article/jscej1984/1995/525/1995_525_109/_pdf"}],"availableAt":"1995-10-21","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=tip%20echo","dc:title":"tip echo"},{"@id":"https://cir.nii.ac.jp/all?q=numerical%20simulation","dc:title":"numerical simulation"},{"@id":"https://cir.nii.ac.jp/all?q=generating%20mechanism","dc:title":"generating mechanism"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1362825895610621696","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Geology departments"}]},{"@id":"https://cir.nii.ac.jp/crid/1363388845222377728","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Ultrasonic Testing of 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