Modeling of the human head/neck system using rigid body dynamics

<p>Emergency ejection of an air crew member from military aircraft in flight places dangerously large vertical acceleration forces on the body of the member. The additional mass on the head due to Night Vision Goggles and Helmet Mounted Displays increases the vulnerability of the head/neck sys...

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Main Author: Estep, Christina Renee
Other Authors: Engineering Mechanics
Format: Others
Language:en
Published: Virginia Tech 2014
Subjects:
Online Access:http://hdl.handle.net/10919/45019
http://scholar.lib.vt.edu/theses/available/etd-10062009-020148/
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spelling ndltd-VTETD-oai-vtechworks.lib.vt.edu-10919-450192021-05-15T05:26:42Z Modeling of the human head/neck system using rigid body dynamics Estep, Christina Renee Engineering Mechanics Schneck, Daniel J. Hendricks, Scott L. Kaleps, I. LD5655.V855 1992.E874 Neck -- Mechanical properties -- Computer simulation Neck -- Wounds and injuries -- Computer simulation <p>Emergency ejection of an air crew member from military aircraft in flight places dangerously large vertical acceleration forces on the body of the member. The additional mass on the head due to Night Vision Goggles and Helmet Mounted Displays increases the vulnerability of the head/neck system to injury. To eliminate the need for human testing, computer simulations of biodynamic head and neck system response to large vertical accelerations have been produced. A head/neck characteristic was developed which included the rotation and axial deformation properties of the cervical spine. The characteristic consisted of three rigid segments representing the head, neck, and upper torso, a ball-and socket joint representing the head/neck articulation, and a slip joint representing the neck/torso articulation. The model was exercised using the Articulated Total Body Model developed by Calspan Corporation and Armstrong Laboratory. The model parameters were determined using human vertical deceleration test data acquired at Armstrong Laboratory. Simulations of human biodynamic response to ejection acceleration show the proposed head/neck characteristic to produce improved correlation with human biodynamic response to 10 Gz acceleration when compared to previous rigid body models of the human head/neck system.</p> Master of Science 2014-03-14T21:46:56Z 2014-03-14T21:46:56Z 1992-07-15 2009-10-06 2009-10-06 2009-10-06 Thesis Text etd-10062009-020148 http://hdl.handle.net/10919/45019 http://scholar.lib.vt.edu/theses/available/etd-10062009-020148/ en OCLC# 26519923 LD5655.V855_1992.E874.pdf In Copyright http://rightsstatements.org/vocab/InC/1.0/ xii, 101 leaves BTD application/pdf application/pdf Virginia Tech
collection NDLTD
language en
format Others
sources NDLTD
topic LD5655.V855 1992.E874
Neck -- Mechanical properties -- Computer simulation
Neck -- Wounds and injuries -- Computer simulation
spellingShingle LD5655.V855 1992.E874
Neck -- Mechanical properties -- Computer simulation
Neck -- Wounds and injuries -- Computer simulation
Estep, Christina Renee
Modeling of the human head/neck system using rigid body dynamics
description <p>Emergency ejection of an air crew member from military aircraft in flight places dangerously large vertical acceleration forces on the body of the member. The additional mass on the head due to Night Vision Goggles and Helmet Mounted Displays increases the vulnerability of the head/neck system to injury. To eliminate the need for human testing, computer simulations of biodynamic head and neck system response to large vertical accelerations have been produced. A head/neck characteristic was developed which included the rotation and axial deformation properties of the cervical spine. The characteristic consisted of three rigid segments representing the head, neck, and upper torso, a ball-and socket joint representing the head/neck articulation, and a slip joint representing the neck/torso articulation. The model was exercised using the Articulated Total Body Model developed by Calspan Corporation and Armstrong Laboratory. The model parameters were determined using human vertical deceleration test data acquired at Armstrong Laboratory. Simulations of human biodynamic response to ejection acceleration show the proposed head/neck characteristic to produce improved correlation with human biodynamic response to 10 Gz acceleration when compared to previous rigid body models of the human head/neck system.</p> === Master of Science
author2 Engineering Mechanics
author_facet Engineering Mechanics
Estep, Christina Renee
author Estep, Christina Renee
author_sort Estep, Christina Renee
title Modeling of the human head/neck system using rigid body dynamics
title_short Modeling of the human head/neck system using rigid body dynamics
title_full Modeling of the human head/neck system using rigid body dynamics
title_fullStr Modeling of the human head/neck system using rigid body dynamics
title_full_unstemmed Modeling of the human head/neck system using rigid body dynamics
title_sort modeling of the human head/neck system using rigid body dynamics
publisher Virginia Tech
publishDate 2014
url http://hdl.handle.net/10919/45019
http://scholar.lib.vt.edu/theses/available/etd-10062009-020148/
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