Crashworthiness Analysis of the UMTA State-of-the-Art Cars

Widmayer, Edward; Tanner, A. E.; Klump, Robert; Boeing Vertol Company

doi:10.21949/1527143

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Crashworthiness Analysis of the UMTA State-of-the-Art Cars

1975-10-01
By Widmayer, Edward ; Tanner, A. E. ; Klump, Robert

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English

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Creators:

Widmayer, Edward ; Tanner, A. E. ; Klump, Robert

Widmayer, Edward ; Tanner, A. E. ; Klump, Robert Less -
Corporate Creators:

Boeing Vertol Company
Corporate Contributors:

United States. Urban Mass Transportation Administration ; John A. Volpe National Transportation Systems Center (U.S.)

United States. Urban Mass Transportation Administration ; John A. Volpe National Transportation Systems Center (U.S.) Less -
Subject/TRT Terms:

[+]

Collisions Crash Cushions Crash Injury Research Crash Tests Crashworthiness Energy Absorption Hazard Analysis Injuries Light Rail Vehicles Mathematical Models Passenger Cars Passengers Railroad Cars Rapid Transit Rapid Transit Cars Research Safety Safety Engineering Safety Equipment Sensitivity Shock (Mechanics) State Of The Art Studies Structural Engineering Transportation Safety Urban Transportation Vehicle Design
Publication/ Report Number:

UMTA-MA-06-0025-75-15;DOT-TSC-UMTA-75-19
DOI:

https://doi.org/10.21949/1527143
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Urban Mass Transportation Administration
Abstract:

An engineering assessment of the crashworthiness of the UMTA State-of-the-Art Car (SOAC) has been conducted as part of a program to provide safer transportation to urban rail vehicles. Crash dynamics and crashworthiness methodology based on post-yield energy absorption characteristics and a 'weighted acceleration' severity index has been applied. Sensitivity studies have been conducted to show the effect of car buff strength, passenger relative velocity, passenger spacing, and cushioning on casualties as defined by the severity index. Major gains in injury reduction through improved internal cushioning are indicated. The prevention of car penetration by override is treated. The SOAC collision dynamics model is validated by comparison to the SOAC-gondola accident of August 11, 1973, and by comparison to a nonlinear finite element mathematical simulation of the SOAC in crash conditions.
Format:

PDF
Collection(s):

Volpe Center
Main Document Checksum:

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urn:sha256:dcc6c7b5b963a17cff7a28a2e4a4517285a9403cb02410993932faed6fce31c1
Download URL:

https://rosap.ntl.bts.gov/view/dot/11711/dot_11711_DS1.pdf
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Crashworthiness Analysis of the UMTA State-of-the-Art Cars

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