汽車前碰撞中駕駛員下肢的動力學(xué)響應(yīng)和損傷防護研究.pdf

1、學(xué)校代號：10532學(xué)號：S03022027密級：湖南大學(xué)碩士學(xué)位論文汽車前碰撞中駕駛員下肢的動力學(xué)響應(yīng)和損傷防護研究Y892309堂僮寶擅k蛙耋!隆旌騶一昱婭蛙芻囂驅(qū)簽；搔蘊匡煎援境羞望值!一一扭拭復(fù)煎芏王捏堂陸圭些務(wù)整!莖翹王垂盈室握窯旦塑12Q逝生業(yè)且Q6』迨室簧熊目期；：2QQ生監(jiān)旦12目簦攔霆曼叁圭廑j簽正氫熬擅一碩七學(xué)位論文AbstractOverthepastseveralyears，theuseofadvancedsaf

2、etybeltandairbagssystemsinpassengercarshadledtoareductionofseveredriverheadandchestinjuriesAttentionhasthereforebecomemorefocusedonlowerextremityinjuriesThesearenotnecessarilylifethreatening，butveryoftencauseconsiderable

3、painandfrequentlyrequirelong。termtreatmentandrehabilitationandtheyCanevenresultinpermanentdisabilityTeduceriskofdriverlowerextremityinjuryinfrontalimpact，onthebasisofliteraturestudyingaboutthewelladoptedresearchmethodand

4、fundamentaltheory，thepapersummarizedtheexperienceandresultsobtainedinthefieldofdriverlowerextremityinjuryresearchThemechanismoflowerextremityinjuryisaverycomplexproblemandmanyproblemsstillneedtobestudiedaboutitHumanlower

5、extremityanatomystructurewasintroducedinthispaper，themechanismofdriverlowerextremityinjuryduringafrontalimpactwasdiscussedandcategorized，andinjurycriteriaandtheirbasiswerereviewedBymeansofdynamicsimulationofmulti—bodyand

6、finiteelementmethods，theinfluenceofthefootwelldesignparameterstolowerextremityinjuriesofthedriverinpassengercarfrontalimpactswasstudiedThesimulationresetshowedthat：Varietyofimpactaccelerationfieldhasgreatinfluenceonlower

7、extremityinjuries；Usingsafetybelthasprominentefficiencyteducelowerextremityinjuries；usingkneebolsterwithlowerstiffnesscanreducetheloadstofemur，kneeandtibia；Therightfootplacedonthebrakepedalwillincreasetheriskoffootinjury

8、evidentlyVarietyoffootwellintrusioninducedbyimpactdeformofcarforepartwillinfluencelowerextremityinjuriesseveritytoacertaindegree，Countermeasurestoreducetheriskoflowerextremityinjurywerestudied，includinginstallationofknee

9、airbagandfootairbagandsomeotherwaysThesecountermeasuresshowprominentprotectionefficiencyonreductionofdriverlowerextremityMethodofthispaperismainlysimulation，throughwhichparameterstudywascarriedoutandeffectivecountermeasu