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dc.contributor.author윤길호-
dc.date.accessioned2017-06-13T02:20:22Z-
dc.date.available2017-06-13T02:20:22Z-
dc.date.issued2015-09-
dc.identifier.citationJOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v. 29, NO 9, Page. 3747-3759en_US
dc.identifier.issn1738-494X-
dc.identifier.issn1976-3824-
dc.identifier.urihttps://link.springer.com/article/10.1007/s12206-015-0821-7-
dc.identifier.urihttp://hdl.handle.net/20.500.11754/27764-
dc.description.abstractTo qualitatively understand the deformation processes and damages in the human body caused by high-speed impact, we conducted experimental and computational investigations for bullet penetration into viscoelastic ballistic gelatin blocks. Because it is difficult to measure the strain rate-dependent material properties of viscoelastic gelatin blocks during high-speed impact, the material properties that are indirectly defined by the stress relaxation test were used for the computational simulation. We also conducted some firing experiments and analyzed the deformation processes of the structures. In particular, the passing through times and the shapes of the temporary and permanent cavities inside the ballistic gelatin blocks were analyzed and compared. This data reveals that the employed material models, with some modifications for the FE simulation, are sufficient for predicting the high-speed impact behaviors. To investigate the shapes of the permanent cavities and fragments made by bullets inside the gelatin blocks, two-dimensional sectional images were taken by an industrial CT scanner and a three-dimensional CAD model was constructed based on these images.en_US
dc.description.sponsorshipThis work was supported by the Research fund of Survivability Technology Defense Research Center of Agency for Defense Development of Korea (No. UD120019OD).en_US
dc.language.isoenen_US
dc.publisherKOREAN SOC MECHANICAL ENGINEERSen_US
dc.subjectWound ballisticsen_US
dc.subjectBallistic gelatinen_US
dc.subjectTemporary cavityen_US
dc.subjectPermanent cavityen_US
dc.subject3-D scanneren_US
dc.subjectFailure modelen_US
dc.titleInvestigation of bullet penetration in ballistic gelatin via finite element simulation and experimenten_US
dc.typeArticleen_US
dc.relation.no9-
dc.relation.volume29-
dc.identifier.doi10.1007/s12206-015-0821-7-
dc.relation.page3747-3759-
dc.relation.journalJOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY-
dc.contributor.googleauthorYoon, Gil Ho-
dc.contributor.googleauthorMo, Jun Su-
dc.contributor.googleauthorKim, Ki Hyun-
dc.contributor.googleauthorYoon, Chung Hee-
dc.contributor.googleauthorLim, Nam Hun-
dc.relation.code2015005986-
dc.sector.campusS-
dc.sector.daehakCOLLEGE OF ENGINEERING[S]-
dc.sector.departmentDIVISION OF MECHANICAL ENGINEERING-
dc.identifier.pidghy-
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COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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