CHARACTERIZING GUARDRAIL STEEL FOR LS-DYNA3D SIMULATIONS
Finite-element models have three parts: geometry, connections, and material properties. As the visible parts of a model, geometry and connections are generally carefully considered. Material properties often are not chosen with the same degree of care although they are equally important to obtaining good results. Accurate simulations of vehicles striking roadside hardware require an understanding of both the material behavior and the mathematical material models in LS-DYNA3D. A method for comparing LS-DYNA3D simulations with typical ASTM materials tests is described. The behavior and modeling parameters of guardrail steel (AASHTO M-180 Class A Type II) are examined in this study. Experimental and simulation results of quasistatic coupon tests are compared for AASHTO M-180 Class Type II guardrail steel, and parameters for guardrail steel are recommended.
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/isbn/0309062241
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Supplemental Notes:
- This paper appears in Transportation Research Record No. 1528, Current Research on Roadside Safety Features.
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Corporate Authors:
500 Fifth Street, NW
Washington, DC United States 20001 -
Authors:
- Wright, A E
- Ray, M H
- Publication Date: 1996
Language
- English
Media Info
- Features: Figures; Photos; References; Tables;
- Pagination: p. 138-145
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Serial:
- Transportation Research Record
- Issue Number: 1528
- Publisher: Transportation Research Board
- ISSN: 0361-1981
Subject/Index Terms
- TRT Terms: Crash tests; Finite element method; Guardrails; Materials tests; Mathematical models; Properties of materials; Recommendations; Simulation; Steel
- Old TRIS Terms: Coupon tests
- Subject Areas: Design; Geotechnology; Highways; Materials; Research; Safety and Human Factors; I34: Steels and Metals; I85: Safety Devices used in Transport Infrastructure;
Filing Info
- Accession Number: 00727325
- Record Type: Publication
- ISBN: 0309062241
- Files: TRIS, TRB
- Created Date: Oct 21 1996 12:00AM