轴向冲击作用下玻璃纤维复合材料层合梁脱层及其扩展分析.pdf

《轴向冲击作用下玻璃纤维复合材料层合梁脱层及其扩展分析.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、第14卷第6期船舶力学V01．14No·62010年6月J0哪alofShipMec}mnicsJ叽．2010胁ickID：100r7—7294(20lO)06-_c1649—11FiniteElementAnalysisofDelaminationIIlitiationandGrowthinE—Glass／EpoxyRei山rcedLaminatedBeanlsunderA嫡alIIIlpact甜，踟，t洲‘，Il，肋胁一^ui2’私鹏耽厅中n91，删鹏G哪2'删ⅣG跏咿I

2、}Ⅱ，11(1StateKeyL丑bomtoryofOceanEngiIl∞血g，

3、shangllaiJiaoTongUlliVe墙畸，shanghai200240，China；2clliIlachssmcationS0ciety，Beijing1咖，Chilla)Abstract：Theinitiationandgr0叭hofdel枷inationinE—glass，epoxyreinforced18minatedbe锄88ubjectedtoa)【ialimpactwereinvestigatednu眦ricauy．In昀ducingami】【edfailuremodewhichw鹤madeupofquadmticnoIIlinals慨

4、sscriterionandBK(BeIlzegg孵一Ken肌e)hcturecriterion，ali。niteelementmodelwitllt11ecohesiveelementwhichw鹊employedto8imulatetllein讹一l锄in盯failureareawasestablishedbyt}lecommercialsoflwareABAQUS／Explicit．Theresuh8showtlIede-laIniI墒脏onk．catiJonandits殍owtllinte瑚sofbe啪’spIy∞qIlence觚dimpactVel

5、oc崎·Anexpen-mentalsempw踮usedtoirlvestigatet}ledyn帅icresponseandf砸lurebeha．yior0ftllelaminatedbe锄8．Agoodagreementwasobtainedbe卅eennumericalsimulationandexperimntal弛s恤·Keywords：laIninatedbe锄；delalnina6佃；dy瑚lnic蹦；pon踮；瘟IiInpact；丘niteeI咖entmethod．ABAQUSCLCnumber：0347．3Doalm蜘tcode：ADuet

6、othehigh8pecificstiffness，stren加andhi曲fractures骶n曲，胁erreinfbrcedp1鹊tic(FRP)laminatedcompositeIIlaterialshavebeenincreasinglyusedinmodemindustnmfidM8，such弱aircr疵，civilen舀neeringa_ndmarineindus町．Thesematerialshavehighstren舢一to—weig}ltandstiffness—to—wei出tratios．HoweVer，laIIlinatedcom

7、positesaresuscep。姒et0caused啪ageinfomofm矗xcracking’delarninationand肋erbreakage∞derim-pact10adlikedroptool8d面ngtheirservicetime．DelaIIlinatio璐aregeneratedbyma砸xcracks，wKcharetlleini“ald锄age【l】．Inthepresence0fdela血腿tion，thepropertieso“anl-inatedmaterialsmaybesignific锄dydegeneral

8、ed，“h

9、ichc锄resultina8eyere蹦l山他dstIuc。ture．n即ef：Dre，itisparticularlyimportanttoinve8tigatethefnechanismofd锄agebehaViortoFRPlaIIlinatedmate订als．MaIlvresearchershavemadeef．forttoinvestigatetlleda眦genlecharIismoflaIIlinatedcompositesunderiInpactload．Elderetal圆reviewedmethodsforpredictingtlIe

10、delaIIlination，includingfi