investigation of techniques for validation of railcar dynamic analyses by W. J. Fallon

Cover of: investigation of techniques for validation of railcar dynamic analyses | W. J. Fallon

Published by The Office, National Technical Information Service [distributor] in Washington, D.C, Springfield, Va .

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Subjects:

  • Railroad cars -- Dynamics.,
  • Freight cars.

Edition Notes

Book details

StatementW.J. Fallon, N.K. Cooperrider, E.H. Law ; prepared for U.S. Department of Transportation, Federal Railroad Administration, Office of Research and Development.
ContributionsCooperrider, N. K., Law, E. H., United States. Federal Railroad Administration. Office of Research and Development.
The Physical Object
Paginationxiv, 105 p. :
Number of Pages105
ID Numbers
Open LibraryOL17824179M

Download investigation of techniques for validation of railcar dynamic analyses

Get this from a library. An investigation of techniques for validation of railcar dynamic analyses. [W Investigation of techniques for validation of railcar dynamic analyses book Fallon; N K Cooperrider; E H Law; United States.

Federal Railroad Administration. Office of Research and Development.]. Dynamics of Railway Vehicle Systems offers a comprehensive and analytical treatment of the rail-wheel interaction problem and its effect on vehicle dynamics.

The development of mathematical models and their applications to dynamic analyses and. The maximum dynamic stress at the top of the subgrage bed is kPa, which is more than the critical dynamic stress, kPa, of group A filler. The overall thickness of. Investigation of Fire Growth and Spread in a Model-Scale Railcar Using an Applied Approach A.

Kazemipour, M. Pourghasemi, H. Afshin† and B. Farhanieh Center of Excellence in Energy Conversion, School of Mechanical Engineering, Sharif University of Technology, Iran, P.O. Box: †Corresponding Author Email: [email protected] (H. Afshin)Cited by: 2. The development of mathematical models and their applications to dynamic analyses and the design of railway vehicles are discussed.

This book consists of 11 chapters and opens with an overview of the background material required to study the dynamics of railway vehicles, with emphasis on analytical techniques used to determine the dynamic Book Edition: 1.

Hence the investigation of improved structures with better dynamic response characteristics and greater stability has followed in the wake of improved high-speed railcar design.

This paper presents some recent developments in analytical modeling of railroad track structures for the study of vehicle-track dynamic interaction by computer by: analysis as well as ride quality investigation of the coupled system, and taken into consideration the random irregularity of rail profile [17,18].

The degree of freedom they have considered is also very limited. Therefore, in the present study, a rather complete twenty-eight-degree-of-freedom dynamic model isCited by: 6. It also includes viable methods for sensitivity analyses, and incorporates relevant tools for application.

The book begins with a brief summary of various data collection techniques that can be applied to collect different data types. It then showcases various data processing and enhancement techniques for improving the quality of collected data. Techniques are described for deriving natural mode shapes from these, using standard modal analysis procedures.

Some limitations as to the types. This book constitutes the refereed proceedings of the First International Conference on Reliability, Safety, and Security of Railway Systems, RSSRailheld.

Incident and Accident Investigation Techniques to Inform Model-Based Design of Safety-Critical Interactive Systems Sandra Basnyat 1, Nick Chozos 2, Chris Johnson & Philippe Palanque 1 1 LIIHS – IRIT, University Paul Sabatier route de Narbonne, Toulouse Cedex 4.

investigation is not always the best choice for the dynamic effect study of railway track structure. Validation of Geotrack KENTRACK Rail Fastenings are components which together form the structural connection between rail.

Completed Validation for nominal and high lash condition GT Simulation shows good correlation for valve displacement, seating velocity and Pushrod force for measurement trend, magnitude and frequency of oscillations except for below load cases High lash over-speed condition test data shows significant.

The use of multibody-system techniques, in particular, has been applied successfully in the study of various, fundamentally different applications. Railroad Vehicle Dynamics: A Computational Approach presents a computational multibody-system approach that can be used to develop complex models of railroad vehicle systems.

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All Book Search results » About the author () VIJAY K. GARG, PHD, is a professor in the Electrical and Computer Engineering Department and director of the Parallel and Distributed Systems Laboratory at the University of Texas at Austin, and a leading researcher in distributed computing systems.

The Applied Rail Accident Investigation workshop series concentrates on the specific operational and technical aspects relevant to the most common types of rail accidents.

You can book individual workshops or the entire three-week course. A dynamic analysis model is established for a coupled high-speed train and bridge system subjected to collision loads.

This is a preview of subscription content, log in to check access. ReferencesAuthor: He Xia, Nan Zhang, Weiwei Guo. computer model for the analysis of railway track dynamic behaviour to be used by the Rail Cooperative Research Centre for Railway Engineering and Technologies (Rail CRC) in Australia.

To be competitive railway track owners need to extract as much performance as possible from their asset without serviceability or catastrophic failure. Railway track. A Re-Examination of Failure Analysis and Root Cause Determination M.

Zamanzadeh, E. Larkin and D. Gibbon Matco Associates PO Box Pittsburgh, Pennsylvania December Failure analysis is a complex process applied to all different types of Size: 1MB.

dynamic response analysis of railway passenger car with flexible carbody model based on semi-active suspensions A multi-body system dynamical model including elastic deformation effect of structure is put forward based on the test results of principal modes of passenger carbody.

The accurate description of both the vehicle and the track is essential for the dynamic analysis of railway systems[3]. The dynamic forces generated at the track -vehicle interaction mainly depend on the spatial track centreline [18, 21].

In this paper, the analytical segment approach is used to parameterise the track centreline []. File Size: KB. the dynamic behaviour in terms of safety, track fatigue and ride quality [4, 5] have been added to a string of requirements so as to carry out the tests based on numerical simulations, thus regulating the so-called procedure of ‚virtual homologation’ [6, 7].

The analysis of the dynamic response of the vehicle to Cited by: 9. validation seems to be essential in order to check if safety analyses are generated from erroneous or incomplete models. The paper introduces the first steps of a validation process for AltaRica models.

Section 2 presents an overview of the classical safety analysis process. With showing some limits of this kind of analyses, we. All tests and analyses identiied were categorized into a public document that. can be downloaded at This database is searchable and is. categorized by the following: • Mode of Operation • Operating Speed Range • Test Category The database will be updated yearly as new information and details about current.

Validation of a new model for railway overhead line dynamics Proceedings of the Institution of Civil Engineers - Transport. ISSN X | E-ISSN Volume Issue 5, October,pp. Themed issue on the Rail Research UK Association (RRUKA) These processes are driven by a combination of factors including cable Cited by: 6.

The proposed validation method uses the values computed by analogy with EN and provides validation limits to be applied on a set of deviations between simulation and measurement.

Keywords: Validation, railway vehicle. 3 The Rail Accident Investigation Branch’s (RAIB) analysis of the on-tram data recorder (OTDR) shows that the tram was travelling at a speed of approximately 73 km/h (46 mph) as it entered the curve, which had a maximum permitted speed of 20 km/h (13 mph).File Size: 2MB.

Valve Train Dynamic Analysis and Validation The numerical procedure combines finite element model and multi-body dynamic analysis. Normally, strain calculation is a two-step process. In the first step, engineers obtain the excitation from the dynamic analysis. In the second step, engineers use the forcing function from dynamic Cited by: 6.

The rail flaw detection vehicle which is according to a city rail system construction features has been developed.

This vehicle has been used for more than two years and all aspects of the vehicle performance reaches design requirements. The vehicle can meet the demand for rail flaw detection. This paper has introduced the general layout of this vehicle including main Author: Qi Gang Yuan, Ji Min Zhang, Li Wen Man.

1 Validation of a new model for railway overhead line dynamics Adam Beagles1 — PhD, MSc, BSc (Hons), Lecturer in Mechanical Engineering David Fletcher1 — PhD, BEng (Hons), Reader in Mechanical Engineering Matthew Peffers1 — MEng (Hons), AMIMechE, Graduate Engineer Patric Mak2 — PhD, BEng (Hons), CEng MIMechE, Senior Engineer (Systems & Software).

"New Techniques for Rail Longitudinal Force Measurement and Rail Restraint Capacity Evaluations," AREA BulletinKish, A., Samavedam, G., "Analyses of Phase III Dynamic Buckling Tests," DOT/FRA/ORD - 89/08, February This book covers the development of mathematical models and their applications to dynamic analyses and the design of railway vehicles.

It should help to put in perspective the role of analytical models in various railway vehicle design activities. Corporate Authors: Academic Press Incorporated.

Oval Road. General Model Validation Methods, Procedures, and Methods 1 II. Statistical and Dynamic Model Validation Techniques 11 III. Validation of Energy and Electric Power Models 23 IV.

Validation of Economic and Financial Models 33 V. Validation of World and Manaaement Models 41 VI. Validation of Government, Political, Institutional and.

This book offers a hands-on introduction to key analytical methods for dynamic modeling. Bringing together tools and methodologies from fields as diverse as computational statistics, econometrics, and operations research in a single text, the book can be used for graduate-level courses and as a reference for dynamic modelers who want to expand 5/5(4).

The text from these accident reports were analyzed using the text mining techniques of probabilistic topic modeling and k-means clustering to identify the recurring themes in major railroad accidents.

The output from these analyses indicates that the railroad accidents can be successfully grouped into different by: 3. Training dataset. A training dataset is a dataset of examples used for learning, that is to fit the parameters (e.g., weights) of, for example, a classifier.

Most approaches that search through training data for empirical relationships tend to overfit the data, meaning that they can identify and exploit apparent relationships in the training data that do not hold in general.

tional and Safety, require the use of formal verification techniques to certify the cor-rectness of the design. Despite their importance, the application of such techniques in industrial settings is by no means trivial. First, a proper verification and validation methodology has to be designed to allow for an efficient handling of the size File Size: KB.

Overfilling or overflowing a liquid product in a tanker truck or tanker rail car can create a safety and environmental hazard, not to mention the loss of valuable product. TRB's NCRRP Web-Only Document 2: Bibliography and Technical Appendices to Intercity Passenger Rail in the Context of Dynamic Travel Markets documents the resources used to develop NCRRP Report 4: Intercity Passenger Rail in the Context of Dynamic Travel report explains the analytical framework and models developed to improve understanding of.

dynamic loading. The central part of each test series was a dynamic test with 3 10 6 load cycles. Before and after this test a number of static tests was carried out.

The results showed a variety of results depending on the type of fastening used. Wear and File Size: KB.Unfortunately, this book can't be printed from the OpenBook.

If you need to print pages from this book, we recommend downloading it as a PDF. Visit to get more information about this book, to buy it in print, or to download it as a free PDF.On Derailment-Worthiness in Rail Vehicle Design i Preface and acknowledgements The work reported in this doctoral thesis has been carried out at the Division of Rail Vehicles, Department of Aeronautical and Vehicle Engineering, at the Royal Institute of Technology (KTH), Stockholm.

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