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Finite Element Modeling of
Fragment Fabric Barriers

Test 20: 1 ply Zylon Gripped on 4 Edges
25 g Fragment

Above is the description of the detailed fabric model used as a fabric barrier research tool. Another component of this program is the development of a design model. The design model can be used as a tool for choosing or evaluating parameters for fragment barriers. Because it uses a simplified description of the fabric, the model runs very quickly (about 2 minutes on an SGI Origin 200 for the tests shown here) and easily allows evaluation of changes in size of fabric, number of layers, or yarn pitch.

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Ocean/Wind Power Surveys

Ocean/Wind Power - Underwater Acoustic Surveys	Ocean/Wind Power - Aerial Surveys	Ocean/Wind Power - Offshore Shipboard Surveys
Modeling of the Side Impact Dummy

SID Linear Impactor Test: Cutaway SID with Head Mass	SID Model Calculation: Impact Calibration Test	SID: Internal Thorax Response


SID Model Calculation: Neck Impact Crash Test

EFP Formation Simulation

EFP Detonation Simulation	EFP Formation Simulation

Breakaway Luminaire Post Model

Slip-Base Luminaire Post Model: Vehicle Impact Simulation (1)	Slip-Base Luminaire Post Model: Vehicle Impact Simulation (2)	Vehicle Side Impact Test: Breakaway Luminaire Support

Hazard Assessment of Damaged Tank Cars

Tankcar Impact Simulation: Sill and Bolster Response	Passenger Car Impact Simulation: Rigid Wall Collision

Impact and Penetration Analysis

Ball Impact Simulation: Penetration of Shell Structures	Penetrator into Concrete: Fringes of Pressure Shown	Ball Impact Simulation: Damage of Shell Structures


Penetrator into Concrete: Fringes of Pressure	Rod Impact with Erosion: Steel Rod Through Al Plate	Hypervelocity Impact Simulation: Erosion and Adaptive Interface

Ford Crown Victoria Crash Simulation

Ford Crown Victoria Crash Video	NCAP Frontal Impact Test (35 mph)	48/24 KPH Side Impact Test


Comparison of Measured and Calculated Impactor Acceleration	Comparison of Measured and Calculated Isolator Deformation	Suspension and Drive Train


Frontal Impact Calculated Force	Calculated Frame Accelerations	Discretization of the Vehicle Back End

Crashworthiness of High-Speed Trains

Frontal Impact Calculated Force Train-Car Crashworthiness: 60 mph	Calculated Frame Accelerations	Train Set Crashworthiness: Simple 3-Car Train Model


Train Occupant Safety: 15 mph Secondary Impact	Train Derailment Kinematics: Train Lateral Buckling	Train Car Crashworthiness: Catenary Pole Impact


Train Car Crashworthiness: Rear

World Trade Center Investigations

World Trade Center Investigations	World Trade Center Investigations

LifeNet SoftWall Barrier Analysis

LifeNet SoftWall Barrier Analysis	LifeNet SoftWall Barrier Analysis

Finite Element Simulation for Blast Response of Structures

Finite Element Simulation for Blast Response of Structures	Finite Element Simulation for Blast Response of Structures

Laptop Impact Analysis Drop Simulation

Laptop Impact Analysis Drop Simulation: Side View	Laptop Impact Analysis Drop Simulation: Top Angled View

Center of Excellence in Finite Element Crash Analysis Expert Witness Services

Center of Excellence in Finite Element Crash Analysis	Expert Witness Services

Finite Element Modeling of Fragment Fabric Barriers

Test 20: 1 ply Zylon Gripped on 4 Edges 25 g Fragment	Test 29: 4 ply Zylon Gripped on 4 Edges 96 g Fragment	Test 58: 1 ply Zylon Gripped on 2 Edges 25 g Fragment

Bird Strike Loading of Composite Panels Analysis of Bird Strike Impact Response

Bird Strike Loading of Composite Panels Analysis of Bird Strike Impact Response