Crash analysis and evaluation of the security road blocker (SRB) using finite element method

Öz

In this study, the crashworthiness of a medium heavy vehicle onto a designed security road blocker (SRB) as a vehicle barrier is studied numerically and compared with full-scale on-site crash test results in the literature. Structural integrity of the road blocker is studied by nonlinear dynamic methods under the loading conditions which are defined in the standards (ASTM F2656-07). Ls-Dyna® software is used to solve the problem numerically. The penetration of the leading edge of the vehicle with respect to the attack face of the blocker is given both experimentally and numerically. Test and numerical results are compared. The comparison shows that; numerical results are in good agreement with the test results.

Anahtar Kelimeler

• Vehicle barrier,impact mechanics,finite element,crash analysis,security road blocker

Kaynakça

1. Unified Facilities criteria (UFC), “Selection and application of vehicle barriers”, USA, 1990.
2. Designation F2656-07, “American Society of Test Materials (ASTM)”, Standard Test Method for Vehicle Crash Testing of Perimeter Barriers.
3. Goldsmith, W., “Impact Theory and Physical Behavior of Colliding Solids”, Dover Publications, 2001.
4. Poursartip, A., “Instrumented Impact Testing at High Velocities”, Journal of Composites Technology and Research, vol. 15 issue 1, 1993.
5. Nelson, E.A., Hong, L., “Curved barrier impact of a NASCAR series stock car”, 8th International Ls-Dyna Users Conference, Crash Safety, Altair Engineering, M.I., U.S.A., 2004.
6. Chirwa, E.C., Peng, Q., Lace, A., Matsika, E., Nowpada, S., “New generation of Security Road Blocker (SRB) Design and Its Performance Subjected to Commercial Vehicle Crash”, The 8th International Forum of Automative Traffic Safety, Bolton Automative&Aerospace Research Group, University of Bolton, U.K., 2010.
7. Hassan, J., “Interpretation of deformation pattern in automotive rails in frontal impact”, 7th International Ls-Dyna Users Conference, Crash Safety, Scientific Labs and Proving Grounds DaimlerChrysler Corp., Detroit, USA, 2002.
8. Zaouk, Abdullatif K., and Dhafer Marzougui. "Development and validation of a US side impact moveable deformable barrier FE model." 3rd European LS-DYNA Users Conference, Page. Vol. 14. 2001.

9. Asadi, M., Tattersall, P., Walker, B., Shirvani, H., “Advanced Finite Element Model for AE-MDB Side Impact Barrier”, 6th International Ls-Dyna Users Conference, USA, 2000.
10. Ren, Z., Vesenjak, M., “Computational and experimental crash analysis of the road safety barrier”, University of Maribor, Faculty of Mechanical Engineering, Slovenia, 2005.
11. European Committee for Standardization, “European Standard EN 1317-1”, EN 1317-2, Road Restraint Systems, 1998.
12. Borovinsek, M., Vesenjak, M., Ulbin, M., Ren, Z., “Simulation of crash tests for high containment levels of road safety barriers”, Eng. Failure Analysis, Vol.14(8):1711-1718, 2007.
13. Yin, H.J., Jin, J., Yang, P.H., Pan, Y., Ma, S.K., “Simulation Analysis of Crash Tests for the Front Side Member in LS-DYNA”, Adv. Materials Research, Vol.199/200:1200-1205, 2011.
14. Chen, L., Xiao, G., Chunlin, L., Agrawal, A.K., “Test and numerical simulation of truck collision with anti-ram bollards” Int. J. of Impact Eng., 75:30-39, 20s.15.
15. TAY, S.K., LIM, B., NG, S.H., “Crash Impact Modelling of Security Bollards”, 12th. International Ls-Dyna Users Conf., 2012.
16. Al-Thairy, H., Wang, Y.C., “Simplified FE vehicle model for assessing the vulnerability of axially compressed steel columns against vehicle frontal impact”, J. of Const. Steel Research, 102:190-203, 2014.
17. FHWA/NHTSA National Crash Analysis Center, “Finite Element Model of Chevy Silverado”, The George Washington University, Version 2, 2007.
18. Designation F2656-07, “American Society of Test Materials (ASTM)”, Standard Test Method for Vehicle Crash Testing of Perimeter Barriers, 2007.
19. Ford Company, “Ford F800 Truck Properties”, Ford Truck Catalogues, USA, 2000.
20. Sandvik Materials Technology Corporation, “Datasheet of SAF 3207 HD is a hyper-duplex (austenitic-ferritic) stainless steel”, Seamless tube and pipe According to ASTM A789/A790, Mc Graw Hill, pp 37-38, Sweden, 2012.
21. Material Property Database, “AISI 304L properties”, Jahm Software, Inc., USA, 1998.
22. AK Steel Corporation, 17-4 PH Stainless Steel, “Product Data sheet”, UNS S17400, 2007.
23. NTRCI, http://thyme.ornl.gov/F800WebPage/ description/ description.html
24. Yoo, Y. H., Yang, D. Y., “Finite element modeling of the high-velocity impact forging process by the explicit time integration method”, J. Of Material Proc. Tech., Vol. 63(1):718-723, 1997.
25. Marzougui, D., Mohan, P., Kan, S., “National transportation research center F800 Single Unit Truck FEM Model for Crash Simulations with Ls-Dyna”, George Washington University, USA, 2007.
26. Crash Test Service, Anti ramming Road Blocker, AUIA-313, ASTM F2656-07, M30, www. crashtest-service.com.