Passenger rail vehicle safety assessment methodology. Volume II, Detailed analyses and simulation results.

Samavedam, G.; Gomes, J.; Blader, F.; Foster-Miller, Inc.

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

i

Passenger rail vehicle safety assessment methodology. Volume II, Detailed analyses and simulation results.

2000-04-01
By Samavedam, G. ; Gomes, J. ; Blader, F.

[PDF-3.85 MB]

English

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Creators:

Samavedam, G. ; Gomes, J. ; Blader, F.

Samavedam, G. ; Gomes, J. ; Blader, F. Less -
Corporate Creators:

Foster-Miller, Inc.
Subject/TRT Terms:

[+]

Alignment Amplitude (Physics) Axles Car Trucks (Railroads) Computer Models Computer Simulation Crash Risk Forecasting Curved Track Derailments Equations Failure Analysis Gage (Rails) Graphs Hunting (Dynamics) Methodology Oscillation Oscillations Passenger Trains Railroad Accidents Railroad Cars--Axles Railroad Cars--Dynamics Railroad Cars--Wheels Railroad Passenger Cars Railroads--Curves And Turnouts Railroad Switches Railroad Tracks--Alignment Risk Assessment Simulation Speed Static Loads Switches (Railroads) Tangent Track Vehicle Dynamics Vehicle Safety Wavelength Wavelengths Wheelsets (Railroads)
Publication/ Report Number:

DOT/FRA/ORD-00/03
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Federal Railroad Administration. Office of Research and Development
Abstract:

This report presents detailed analytic tools and results on dynamic response which are used to develop the safe dynamic performance limits of commuter passenger vehicles. The methodology consists of determining the critical parameters and characteristic properties of both the vehicle and the track, establishing the failure modes, and then using a computer model to determine under what conditions the failure occurs. The computer tool predicts the dynamics of the vehicles at varying speeds. Safety limits and margins are based on when the predicted behavior approaches a derailment.

This report also present numerical examples of this methodology, derived from the software tool OMNISIM to predict the response of single and bi-level vehicles as they negotiate both tangent tracks and tracks with curves up to 20 deg.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:1d302d42b0d93738e076a3cb3cc5dfd661a643bb21cd47d612c35c789e5f4161
Download URL:

https://rosap.ntl.bts.gov/view/dot/23129/dot_23129_DS1.pdf
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Passenger rail vehicle safety assessment methodology. Volume II, Detailed analyses and simulation results.

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