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T-Space at The University of Toronto Libraries >
School of Graduate Studies - Theses >
Master >

Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/32245

Title: Dynamic Analysis of Whiplash
Authors: Hoover, Jeffery
Advisor: Meguid, Shaker A.
Department: Mechanical and Industrial Engineering
Keywords: whiplash
dynamic
lumped-parameter
rigid linkage
inverse analysis
multi-body
analytical
numerical
experimental
Issue Date: 21-Mar-2012
Abstract: This study is concerned with whiplash injuries resulting from the sudden acceleration and deceleration of the head relative to the torso in vehicle collisions. Whiplash is the most common automobile injury, yet it is poorly understood. The objective of this thesis is to develop a representative rigid linkage lumped parameter model using Lagrangian mechanics to capture the relative motion of the head and cervical spine. Joint locations corresponding to the intervertebral centers of rotation are used to simulate the normal spinal movements and an inverse analysis is applied to determine the viscoelastic parameters for the spine, based on cadaver test results. The model is further validated using ANSYS dynamic finite element analysis and experimentally validated using a newly designed and fully instrumented whiplash test fixture. Our findings reveal the effectiveness of the simplified model which can be easily scaled to accommodate differences in collision severity, posture, gender, and occupant size.
URI: http://hdl.handle.net/1807/32245
Appears in Collections:Master

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