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SandiaNationalLaboratories

Human Modeling & Simulation for Personal Armor Assessment

Candice CooperPaul Taylor

Sandia National LaboratoriesTerminal Ballistic Technology (5431)

09/2015

Funding for this work was provided through the Sandia Laboratory-Directed Research and Development (LDRD) program

The authors acknowledge the National Library of Medicine and the Visible Human Project as the source of the visible human data set used to construct the digital head-

neck and torso models employed in this project.

SAND2015-7468PE

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A

A

B B

• High Fidelity Human Torso Model

Wound Ballistics Modeling for Blast Loading, Blunt Force Impact, and Projectile Penetration

• 19 Geometric Representations in both finite element and finite volume form:-Bone, Cartilage, Intervertebral Disks, Blood

Vasculature, Airways, Lungs, Liver, Kidneys, Spleen, Heart, Spinal Cord, Muscle, Skin, Stomach, Stomach Contents, Cerebrospinal Fluid, Larynx, Thyroid.

• Tissues represented by advanced constitutive models

Transmitted Wave Induced Cavitation in

Blood (Heart &Lungs)

Frontal Blast

Simulation(Section A-A)

Developing Insights on Wound Injury Mechanisms

A-A B-B

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• High Fidelity Human Torso Model Simulations– 260KPa frontal blast simulation (unprotected vs protected)

Wound Ballistics Modeling for Blast Loading, Blunt Force Impact, and Projectile Penetration

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SandiaNationalLaboratories

• High Fidelity Human Torso Model Simulations– Projectile Impact Simulation (9mm FMJ impacting notional chest armor)

Wound Ballistics Modeling for Blast Loading, Blunt Force Impact, and Projectile Penetration

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• High Fidelity Human Head-Neck Model

– Anatomically correct distributions of bone, white & gray brain matter, membranes (falx & tentorium), cerebral spinal fluid (CSF), sinus air, & scalp/muscle in 1mm resolution.

Wound Ballistics Modeling for Blast Loading, Blunt Force Impact, and Projectile Penetration

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• High Fidelity Human Head Model Simulations– 260 KPa frontal blast simulation (unprotected vs protected )

Wound Ballistics Modeling for Blast Loading, Blunt Force Impact, and Projectile Penetration

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• High Fidelity Human Head-Neck-Torso Model

– Head-Neck combined with Torso model for broader applicability

Wound Ballistics Modeling for Blast Loading, Blunt Force Impact, and Projectile Penetration

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SandiaNationalLaboratories

• High Fidelity Human Head-Neck-Torso Model Simulation

– 260 KPa frontal blast simulation (unprotected)

Wound Ballistics Modeling for Blast Loading, Blunt Force Impact, and Projectile Penetration

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• Data Analysis

Wound Ballistics Modeling for Blast Loading, Blunt Force Impact, and Projectile Penetration

Projectile Impact Projectile Impact

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• Data Analysis (continued)

Wound Ballistics Modeling for Blast Loading, Blunt Force Impact, and Projectile Penetration

Projectile Impact Frontal Blast