Analysis of railroad tank car shell impacts using finite element method

Tang, Y.H.; Yu, Hailing; Gordon, J E; Jeong, D.Y.; Perlman, A.B.; John A. Volpe National Transportation Systems Center (U.S.)

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Analysis of railroad tank car shell impacts using finite element method

2008-04-22
By Tang, Y.H. ; Yu, Hailing ; Gordon, J E ; ...

[PDF-236.41 KB]

English

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Alternative Title:

Proceedings of the 2008 IEEE/ASME Joint Railroad Conference
Creators:

Tang, Y.H. ; Yu, Hailing ; Gordon, J E ; Jeong, D.Y. ; Perlman, A.B.

Tang, Y.H. ; Yu, Hailing ; Gordon, J E ; Jeong, D.Y. ; Perlman, A.B. Less -
Corporate Creators:

John A. Volpe National Transportation Systems Center (U.S.)
Corporate Contributors:

United States. Federal Railroad Administration. Office of Research and Development
Subject/TRT Terms:

[+]

Calibration Dynamic Tests Finite Element Method Impact Tests Shells (Structural Forms) Tank Cars Velocity
Publication/ Report Number:

JRC2008-63014
Resource Type:

Proceedings
Geographical Coverage:

United States
Corporate Publisher:

American Society of Mechanical Engineers ; Institute of Electrical and Electronics Engineers

American Society of Mechanical Engineers ; Institute of Electrical and Electronics Engineers Less -
NTL Classification:

NTL-RAIL TRANSPORTATION-Rail Safety;NTL-SAFETY AND SECURITY-Vehicle Design;NTL-SAFETY AND SECURITY-Rail Safety;
Abstract:

This paper examines impacts to the side of railroad tank

cars by a ram car with a rigid indenter using dynamic,

nonlinear finite element analysis (FEA). Such impacts are

referred to as shell impacts. Here, nonlinear means elasticplastic

material behavior with large deformations. Several

computational issues are addressed. The dynamic response of

the shell structure coupled with the sloshing response of fluid

inside the tank is characterized through various mesh

formulations. Puncture of the tank is calculated using a

material failure criterion based on the general state of stress in

the shell structure in terms of stress triaxiality. The FEA

models were verified and validated in previous work. In the

present work, the verified and validated FEA framework is

applied to examine the effect of various factors on the

structural response of the tank. These factors include shell

thickness and indenter geometry.
Format:

PDF
Collection(s):

Federal Railroad Administration Volpe Center
Main Document Checksum:

[+]

urn:sha256:3c835ccc057847f70112903e3d1e675c2aefba8321e4d4b3d03e0984bbf81b14
Download URL:

https://rosap.ntl.bts.gov/view/dot/9842/dot_9842_DS1.pdf
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Analysis of railroad tank car shell impacts using finite element method

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