Evaluation of Crash Types Associated with Test

Protocols

Evaluation of Crash Types Evaluation of Crash Types Associated with Test Associated with Test

ProtocolsProtocols

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Test ProtocolsTest Protocols

• Offset Deformable Barrier (ODBODB)

• Moving Deformable Barrier (MDBMDB)

• Fixed Rigid Barrier (FRBFRB)

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NASS VariablesNASS Variables

• Object contacted• GAD of other vehicles• Specific horizontal location (SHLSHL)• Direct damage width• Heading angles• GAD of the other vehicle in combination

with heading angles

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Offset Deformable BarrierOffset Deformable BarrierOffset Deformable Barrier______________________________________________________________________________________________________________

ODBODB type crash with left offset

ODBODB type crash for a left offset, withAn oblique angle

Moving Deformable BarrierMoving Deformable BarrierMoving Deformable Barrier______________________________________________________________________________________________________________

MDBMDB type crash with a right obliqueright offset configuration

MDBMDB type front-to-rear crash configuration

Fixed Rigid BarrierFixed Rigid BarrierFixed Rigid Barrier______________________________________________________________________________________________________________

Front-to-rear FRBFRB type crash

FRBFRB type crash configuration for a full-frontal, nearly full-engagement, head-on

crash

ODB Type CrashODB Type CrashHyundai Hyundai ElantraElantra, Offset Frontal With , Offset Frontal With

CorollaCorolla

ODB Type CrashODB Type CrashToyota Corolla, Offset With Toyota Corolla, Offset With ElantraElantra

MDB Type Crash MDB Type Crash Toyota Avalon, Oblique With Chevrolet Toyota Avalon, Oblique With Chevrolet

SuburbanSuburban

MDB Type CrashMDB Type CrashToyota Avalon (Continued)Toyota Avalon (Continued)

MDB Type CrashMDB Type CrashChevrolet Suburban, Oblique With AvalonChevrolet Suburban, Oblique With Avalon

MDB Type Crash MDB Type Crash Buick Century, Oblique With Explorer Buick Century, Oblique With Explorer

PartnerPartner

Buick Century InteriorBuick Century Interior

Explorer Partner Not CategorizedExplorer Partner Not Categorized

FRB Type CrashFRB Type CrashVW Jetta Full Frontal, With S10 PartnerVW Jetta Full Frontal, With S10 Partner

FRB Type CrashFRB Type CrashChevrolet SChevrolet S--10 Pickup, Full Frontal With 10 Pickup, Full Frontal With

Jetta PartnerJetta Partner

ODB & MDB ODB & MDB Chevrolet Malibu And Ford Taurus, Right Chevrolet Malibu And Ford Taurus, Right

OffsetOffset

Frontal Crashes Represented by Crash Type Frontal Crashes Represented by Crash Type NASS 1995NASS 1995--20012001

(Accident exposure by crash type and air bag availability)(Accident exposure by crash type and air bag availability)______________________________________________________________________________________________________________

2 . 5 6 3 8 1 6

0 . 5 0 8 6 1 9

1 . 1 9 6 0 4 4

0 . 6 8 7 4 2 5

1 . 3 3 4 7 1 1

1 . 2 2 9 1 0 5 1 . 2 4 4 4 5 9

0 . 6 6 3 0 0 80 . 5 8 1 4 5 1

0.0

0.5

1.0

1.5

2.0

2.5

3.0

Airbag Non Airbag TotalNum

ber

of C

rash

es (M

illio

ns)

O DB MDB FRB

MAIS 2MAIS 2--6 Driver Injuries by Crash Type 6 Driver Injuries by Crash Type NASS 1995NASS 1995--20012001

Num

ber

of I

njur

ies

( Tho

usan

ds)

_______________________________________________________(Injury distribution by crash type and air bag availability)(Injury distribution by crash type and air bag availability)_______________________________________________________

4 0 . 6 9 5

8 1 . 0 5 91 2 1 . 7 5 4

1 9 6 . 9 9 7

1 1 1 . 6 8 1

3 0 8 . 6 7 8

4 5 . 1 0 6

1 1 8 . 0 1 57 2 . 9 0 9

0

50

10 0

150

2 0 0

2 5 0

3 0 0

3 5 0

Airbag N o n A i rb a g To t a l

O D B M D B F R B

AIS 2AIS 2--6 Driver Injuries by Body Region in Airbag Vehicles 6 Driver Injuries by Body Region in Airbag Vehicles NASS 1995NASS 1995--20012001

(Distribution of driver injuries by body region for air bag(Distribution of driver injuries by body region for air bag--equipped vehicles)equipped vehicles)______________________________________________________________________________________________________________

Num

ber

of I

njur

ies

(Tho

usan

ds)

1 9 .7 1 61 2 . 2 9 4

1 3 .7 21 1 .3 2 2

6 8 .7 3 4

3 1 .6 3 82 2 .9 2 9

3 8 .2 5 84 .7 4 7 3 4 .4 1 7

5 .6 4 1

1 1 .7 8 8

01 02 03 04 05 06 07 08 0

He a d T h o r a x U p p E x t . Lo w e r

Ex t .

Num

ber

of In

juri

es O D B M D B F R B

ConclusionConclusion______________________________________________________________________________________________________________

MDB Type CrashMDB Type Crash

ØMost frequent frontal crash

ØPredominant cause of overall injuries and injuries to thelower extremities

Ø Intrusion rather than inertial loading is the predominantcause of injuries to the lower extremities

Conclusion (Cont’d)Conclusion (Cont’d)______________________________________________________________________________________________________________

ODB & FRB Type CrashODB & FRB Type Crash

Ø Inertial loading is the predominant injury mechanismfor the lower extremities in ODB and FRB typecrashes

Ø There are nearly 2 times more lower leg injuries inFRB type crashes, than in ODB type crashes

QuestionsQuestionsQuestions

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