Quantitative Validation of a Human Body Finite Element Model Using Rigid Body Impacts

Annals of Biomedical Engineering
Nicholas A VavalleF Scott Gayzik

Abstract

Validation is a critical step in finite element model (FEM) development. This study focuses on the validation of the Global Human Body Models Consortium full body average male occupant FEM in five localized loading regimes-a chest impact, a shoulder impact, a thoracoabdominal impact, an abdominal impact, and a pelvic impact. Force and deflection outputs from the model were compared to experimental traces and corridors scaled to the 50th percentile male. Predicted fractures and injury severity measures were compared to evaluate the model's injury prediction capabilities. The methods of ISO/TS 18571 were used to quantitatively assess the fit of model outputs to experimental force and deflection traces. The model produced peak chest, shoulder, thoracoabdominal, abdominal, and pelvis forces of 4.8, 3.3, 4.5, 5.1, and 13.0 kN compared to 4.3, 3.2, 4.0, 4.0, and 10.3 kN in the experiments, respectively. The model predicted rib and pelvic fractures related to Abbreviated Injury Scale scores within the ranges found experimentally all cases except the abdominal impact. ISO/TS 18571 scores for the impacts studied had a mean score of 0.73 with a range of 0.57-0.83. Well-validated FEMs are important tools used by engineers in advancing occ...Continue Reading

References

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Aug 3, 2010·Medical Engineering & Physics·Zuoping LiRichard W Kent
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Nov 9, 2012·Annals of Biomedical Engineering·Nicholas A VavalleF Scott Gayzik
Nov 28, 2012·Annals of Biomedical Engineering·Costin D UntaroiuJaeho Shin
Apr 23, 2013·Computational and Mathematical Methods in Medicine·Ashley R HayesJoel D Stitzel
May 15, 2013·Journal of the Mechanical Behavior of Biomedical Materials·Stephen F E MattucciDuane S Cronin
Jul 31, 2013·Journal of Biomechanical Engineering·Jaeho Shin, Costin D Untaroiu
Aug 3, 2013·Traffic Injury Prevention·Nicholas A VavalleF Scott Gayzik
Sep 26, 2013·Journal of Biomechanical Engineering·Haojie MaoKing H Yang
Oct 26, 2013·Computer Methods in Biomechanics and Biomedical Engineering·Anurag Soni, Philippe Beillas
Nov 28, 2013·Traffic Injury Prevention·Greg ShawCarlos Arregui-Dalmases
Dec 19, 2013·Journal of Applied Biomechanics·Nicholas A VavalleF Scott Gayzik
Jun 12, 2014·Journal of Anatomy·Ashley A WeaverJoel D Stitzel

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Citations

Mar 7, 2017·International Journal for Numerical Methods in Biomedical Engineering·Rui-Chun Dong, Li-Xin Guo
Apr 18, 2017·Traffic Injury Prevention·William DeckerF Scott Gayzik
Jun 21, 2017·Computer Methods in Biomechanics and Biomedical Engineering·Gwansik ParkJeff R Crandall
Aug 18, 2016·Foot & Ankle International·Kamran S HamidKerry A Danelson
Mar 28, 2018·Traffic Injury Prevention·B GuleyupogluF S Gayzik
Mar 22, 2018·Journal of Biomechanical Engineering·Caitlin WeaverJoel D Stitzel
Jul 28, 2016·Journal of Biomechanical Engineering·Matthew L Davis, F Scott Gayzik
Jan 24, 2018·International Journal for Numerical Methods in Biomedical Engineering·Estívaliz Lozano-MínguezEugenio Giner
Oct 8, 2019·Traffic Injury Prevention·Johan IraeusBengt Pipkorn
Mar 11, 2020·Journal of Biomechanical Engineering·K OttC Demetropoulos
Aug 14, 2020·Computer Methods in Biomechanics and Biomedical Engineering·Wansoo PakCostin D Untaroiu
Sep 15, 2019·Annals of Biomedical Engineering·William B DeckerF Scott Gayzik
Jul 23, 2020·Journal of Biomechanical Engineering·Jeffrey B Barker, Duane S Cronin
Oct 13, 2018·Annals of Biomedical Engineering·James P GaewskyJoel D Stitzel
Dec 14, 2018·Annals of Biomedical Engineering·Jeremy M SchapF Scott Gayzik

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