human modeling & simulation for personal armor assessment · 2020. 10. 22. · • high...
TRANSCRIPT
1
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
2
SandiaNationalLaboratories
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
3
SandiaNationalLaboratories
• 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
4
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
5
SandiaNationalLaboratories
• 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
6
SandiaNationalLaboratories
• 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
7
SandiaNationalLaboratories
• 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
8
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
9
SandiaNationalLaboratories
• Data Analysis
Wound Ballistics Modeling for Blast Loading, Blunt Force Impact, and Projectile Penetration
Projectile Impact Projectile Impact
10
SandiaNationalLaboratories
• Data Analysis (continued)
Wound Ballistics Modeling for Blast Loading, Blunt Force Impact, and Projectile Penetration
Projectile Impact Frontal Blast