Development of a Parametric Clavicle Finite Element Model Using Principal Component Analysis and Mesh Morphing Algorithm

(整期优先)网络出版时间:2017-03-13
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Thesusceptibilityoftheclavicletoinjuryunderscoresitsroleasanimportantloadingpathduringbothfrontalimpactandsideimpactcrashes,sinceclavicleisloadeddirectlybyshoulderbeltinfrontalimpactandthroughshoulderinlateralimpactcrashes.Thisstudyaimstodevelopingaparametricclaviclefiniteelementmodelcapableofsimulatingimpactresponseswithdifferentparameters.Astatisticalclaviclegeometrymodelwasdevelopedbasedoncomputedtomography(CT)scansfrom89subjectsusingprincipalcomponentanalysis(PCA)andmultivariateregressionanalysis.Usingthisstatisticalclaviclegeometrymodelandmeshmorphingmethoddevelopedinthisstudy,aseriesofdetailed3Dclaviclegeometrieswerepredictedbyage,gender,andlengthofthebone,allofwhichshowedstrongeffectsonclaviclegeometry.Afterassigningmaterialpropertiesandvalidationprocess,thisparametricmodeldevelopedinthisstudycanbeusedtoinvestigatetheeffectsofage,genderandlengthatthesametime.