Year 2018, Volume 22, Issue 5, Pages 1385 - 1391 2018-10-01

On Evaluation and Comparison of Blast Loading Methods Used In Numerical Simulations

Atıl Erdik [1] , Vahdet Uçar [2]

141 584

It is crucial to assess the dynamic behavior of structures exposed to blast loading in order to improve the integrity and survivability. Numerical simulations are widely used to predict the response of structures under blast loading. A commercial nonlinear finite element code, LS-DYNA provides three blast loading methods: Empirical blast modeling technique CONWEP, Arbitrary Lagrangian Eulerian technique (ALE), and hybrid CONWEP - ALE technique. In this study, an experimental testing of a flat plate subjected to blast loading is modeled using these three blast loading methods in LS-DYNA. Mesh resolution study of ALE formulation is conducted to determine the influence of element mesh size on predicting blast loading effects that is converted through fluid structure interaction algorithm from Eulerian to Lagrangian type of elements. It is drawn a comparison between peak pressures calculated in simulations and maximum dynamic deformation measured in the field test. Finally, the discussion and conclusion are provided.


  • [1] G. Randers-Pehrson, K.A. Bannister, Airblast Loading Model for DYNA2D and DYNA3D, in: ARL-TR-1310, US Army Research Laboratory, Aberdeen Proving Ground, 1997.
  • [2] C.N. Kingery, G. Bulmash, Airblast parameters from TNT spherical air burst and hemispherical surface burst, in, Ballistic Research Laboratory, Aberdeen Proving Ground, Aberdeen, MD, 1984.
  • [3] N.F.E.C. U.S. Army Corps of Engineers, Air Force Civil Engineering Support Agency, Design and analysis of hardened structures to conventional weapons effects, in: Supersedes TM 5-855-1/NAVFAC P- 1080/AFJAM32/DSWA DAHSCWEMAN-97 August 1998, Department of the Army, US Army Corps of Engineers and Defense Special Weapons Agency, Washington, DC, 2002.
  • [4] J.L.C. C. W. Hirt, T. D. Butler, A Lagrangian method for calculating the dynamics of an incompressible fluid with free surface, Journal of Computational Physics, 5(1) (1970) 103-124.
  • [5] C.W. Hirt, An arbitrary Lagrangian-Eulerian computing technique, in: Proceedings of the Second International Conference on Numerical methods in Fluid Dynamics Lecture Notes in Physics, 1971, pp. 350-355.
  • [6] T.P. Slavik, A Coupling of Empirical Explosive Blast Loads to ALE Air Domains in LS-DYNA, in: 7th European LS-DYNA Conference, Livermore Software Technology Corporation, Salzburg, Austria, 2009.
  • [7] Z.S. Tabatabaei, J.S. Volz, J. Baird, B.P. Gliha, D.I. Keener, Experimental and numerical analyses of long carbon fiber reinforced concrete panels exposed to blast loading, International Journal of Impact Engineering, 57 (2013) 70-80.
  • [8] J.O. Hallquist, LS-DYNA keyword user’s manual, in, Livermore Software Technology Corporation, California, U.S.A., 2007.
  • [9] B.M. Dobratz, P.C. Crawford, LLNL Explosive Handbook "Properties of Chemical Explosives and Explosive Simulants", in, Lawrance Livermore National Laboratory, Livermore, California, 94550, 1985.
  • [10] J.O. Hallquist, LS-DYNA theory manual, in, Livermore Software Technology Corporation, 2006.
Primary Language en
Subjects Engineering, Mechanical
Published Date October 2018
Journal Section Research Articles
Authors

Author: Atıl Erdik (Primary Author)
Institution: Otokar, Otomotiv ve Savunma Sanayi A.Ş
Country: Turkey


Author: Vahdet Uçar
Institution: Department of Mechanical Engineering, Sakarya University, Turkey
Country: Turkey


Bibtex @research article { saufenbilder357629, journal = {Sakarya University Journal of Science}, issn = {1301-4048}, eissn = {2147-835X}, address = {Sakarya University}, year = {2018}, volume = {22}, pages = {1385 - 1391}, doi = {10.16984/saufenbilder.357629}, title = {On Evaluation and Comparison of Blast Loading Methods Used In Numerical Simulations}, key = {cite}, author = {Erdik, Atıl and Uçar, Vahdet} }
APA Erdik, A , Uçar, V . (2018). On Evaluation and Comparison of Blast Loading Methods Used In Numerical Simulations. Sakarya University Journal of Science, 22 (5), 1385-1391. DOI: 10.16984/saufenbilder.357629
MLA Erdik, A , Uçar, V . "On Evaluation and Comparison of Blast Loading Methods Used In Numerical Simulations". Sakarya University Journal of Science 22 (2018): 1385-1391 <http://www.saujs.sakarya.edu.tr/issue/31265/357629>
Chicago Erdik, A , Uçar, V . "On Evaluation and Comparison of Blast Loading Methods Used In Numerical Simulations". Sakarya University Journal of Science 22 (2018): 1385-1391
RIS TY - JOUR T1 - On Evaluation and Comparison of Blast Loading Methods Used In Numerical Simulations AU - Atıl Erdik , Vahdet Uçar Y1 - 2018 PY - 2018 N1 - doi: 10.16984/saufenbilder.357629 DO - 10.16984/saufenbilder.357629 T2 - Sakarya University Journal of Science JF - Journal JO - JOR SP - 1385 EP - 1391 VL - 22 IS - 5 SN - 1301-4048-2147-835X M3 - doi: 10.16984/saufenbilder.357629 UR - https://doi.org/10.16984/saufenbilder.357629 Y2 - 2018 ER -
EndNote %0 Sakarya University Journal of Science On Evaluation and Comparison of Blast Loading Methods Used In Numerical Simulations %A Atıl Erdik , Vahdet Uçar %T On Evaluation and Comparison of Blast Loading Methods Used In Numerical Simulations %D 2018 %J Sakarya University Journal of Science %P 1301-4048-2147-835X %V 22 %N 5 %R doi: 10.16984/saufenbilder.357629 %U 10.16984/saufenbilder.357629
ISNAD Erdik, Atıl , Uçar, Vahdet . "On Evaluation and Comparison of Blast Loading Methods Used In Numerical Simulations". Sakarya University Journal of Science 22 / 5 (October 2018): 1385-1391. https://doi.org/10.16984/saufenbilder.357629