Validation of lower extremity model in THUMS

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Chawla, A.¹; Mukherjee, S.¹; Mohan, D.¹; Parihar, A.¹

Validation of lower extremity model in THUMS

Proceedings of the 2004 International IRCOBI Conference on the Biomechanics of Impact

Affiliations

¹Department of Mechanical Engineering, Indian Institute of Technology, New Delhi 110016 INDIA
Abstract and keywords

Three sets of test results on cadaver knee have been reported in literature. The existing legforms, dummies and mathematical models do not validate under all these three test conditions. A computational model such as THUMS is expected to validate under multiple boundary conditions. Evaluation of the FE model of knee in THUMS against multiple test conditions has been conducted. The FE model in THUMS has been reoriented to obtain the configuration used to evaluate knee impacts to pedestrians. The model has then been validated against the test conditions used by Kajzer et al. Strain limits are used to evaluate the injury process of knee in the simulation. The injury patterns predicted in simulations confirm with autopsy results. Response of the knee FE model has also been analyzed for tests conducted by Kerrigan et al .

Keywords: Knee; Finite Element Modeling; Validation

Cited Works (14)

Year	Entry
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Cited By (17)

Year	Entry
2005	Masson C, Arnoux P-J, Brunet C, Cesari D. Pedestrian injury mechanisms & criteria a coupled experimental and finite element approach. In: Proceedings of the 19th International Technical Conference on the Enhanced Safety of Vehicles (ESV). June 6-9, 2005; Washington, DC.
2007	Soni A, Chawla A, Mukherjee S. Effect of muscle contraction on knee loading for a standing pedestrian in lateral impacts. In: Proceedings of the 20th International Technical Conference on the Enhanced Safety of Vehicles (ESV). June 18-21, 2007; Lyon, France.
2009	Soni A, Chawla A, Mukherjee S, Malhotra R. Effect of muscle contraction in low speed car-pedestrian impact: simulations for walking posture. In: Proceedings of the 21st International Technical Conference on the Enhanced Safety of Vehicles (ESV). June 15-18, 2009; Stuttgart, Germany.
2006	Arnoux P, Thollon L, Behr M, Brunet C, Cesari D. Knee joint injury mechanisms and injury criteria in full scale tests according to impact position. In: Proceedings of the 2006 International IRCOBI Conference on the Biomechanics of Impact. September 20-22, 2006; Madrid, Spain.319-330.
2007	Chawla A, Mukherjee S, Soni A, Malhotra R. Effect of active muscle forces on knee injury risks for pedestrian standing posture at low speed impacts. In: Proceedings of the 2007 International IRCOBI Conference on the Biomechanics of Impact. September 19-21, 2007; Maastricht, The Netherlands.95-112.
2009	Soni A, Chawla A, Mukherjee S, Malhotra R. Effect of muscle contraction in high speed car-pedestrian impact – simulations for walking posture. In: Proceedings of the 2009 International IRCOBI Conference on the Biomechanics of Impact. September 9-11, 2009; York, UK.237-249.
2010	Ghajari M, Peldschus S, Galvanetto U, Asgharpourb Z, Iannucci L. Influence of the body on head rotational acceleration in motorcycle helmet oblique impact tests. In: Proceedings of the 2010 International IRCOBI Conference on the Biomechanics of Impact. September 15-17, 2010; Hannover, Germany.95-106.
2010	Marathe R, Chawla A, Mukherjee S, Malhotra R. Prediction of lumbar spine posture for repositioning of spinal FE model. In: Proceedings of the 2010 International IRCOBI Conference on the Biomechanics of Impact. September 15-17, 2010; Hannover, Germany.85-88.
2010	Mroz K, Bostrom O, Pipkorn B, Wismans J, Brolin K. Comparison of Hybrid III and human body models in evaluating thoracic response for various seat belt and airbag loading conditions. In: Proceedings of the 2010 International IRCOBI Conference on the Biomechanics of Impact. September 15-17, 2010; Hannover, Germany.265-279.
2011	Marathe RS, Chawla A, Mukherjee S, Malhotra R. Predicting thoracic spinal postures in finite element model with Bezier technique. In: Proceedings of the 2011 International IRCOBI Conference on the Biomechanics of Injury. September 14-16, 2011; Krakow, Poland.224-227.
2020	Butz KD, Spurlock CM, Lister K. Validation of the CAVEMAN human body model lumbar spine response to vertical accelerative loading and the effect of spine curvature on skeletal fracture. In: Proceedings of the 2020 International IRCOBI Conference on the Biomechanics of Injury. 2020; Munich, Germany.113-122.
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