Frontal Impact Analysis

3989 Words Jul 16th, 2011 16 Pages
CRASHWORTHINESS OF FORD F250® TRUCK “ROLL OVER –INVERTED VEHICLE DROP TEST (SAE J996)”

by

Pritesh K Shah
B.E. Mechanical Engineering, January 2003, Pune University, INDIA

A Project Report Submitted to the Faculty of Old Dominion University in
Partial Fulfillment of the Requirement for the Degree of

MASTER OF ENGINEERING

in

DESIGN & MANUFACTURING

MECHANICAL ENGINEERING

OLD DOMINION UNIVERSITY

August 2011

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ME-11-0082

CRASHWORTHINESS OF FORD F250® TRUCK “ROLL OVER –INVERTED VEHICLE DROP TEST (SAE J996)”

by

Pritesh K Shah
B.E. Mechanical Engineering, January 2003, Pune University, India

A Project Report Submitted to the Faculty of Old Dominion University in
Partial Fulfillment of the
…show more content…
Rollover crashes constitute to a meager 2 percent of all collisions and yet account for 24 percent of passenger fatalities. Rollovers are one of the most dangerous forms of vehicle crashes because of the high occurrence of occupants catastrophic head injuries and fatalities.

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Figure 1 Highway rollover fatalaties

In 2007, the National Highway Traffic Safety Administration (NHTSA) made it mandatory that all vehicles to be equipped with electronic stability control (ESC). By the 2008 model year, ESC was standard on 65 percent of passenger cars, 96 percent of SUVs and only 11 percent of pickups. The ESC technology helps minimize skidding, as well as maintains control when drivers swerve. ESC senses when a driver may lose control and automatically applies brakes to individual wheels (Outer front wheel to counter over steer or inner rear wheel to counter under steer) to help stabilize the vehicle and avoid a rollover [6].

Considerable research has been undertaken over the years to differentiate rollover according to severity and to develop a standard rollover test. In most cases the studies are applicable to passenger cars. However, many of the
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