Modeling of the metal cylinder acceleration under explosive loading
Abstract
The paper considers the motion of a cylindrical metal liner caused by expanding products of internal detonation. A new analytical model of cylinder motion is developed for the case of axial initiation of an explosive charge. The suggested model relies on the two-stage regime of cylinder motion. The first stage considers the interaction of the detonation wave and the metal liner, resulting in the initial velocity imparted to the liner. The second stage is a gas-dynamic push of the cylinder governed by detonation products expansion, similarly to the Gurney approach. The numerical simulation of the explosive propulsion of the cylinder is performed using the FEM-based software Abaqus/Explicit. The results of the analytical model are validated by a comparison with the available experimental data and the simulation results.
Keywords:
detonation / detonation wave / propulsion / detonation effect / analytical model / numerical simulation / finite element methodSource:
Scientific Technical Review, 2013, 63, 2, 39-46-Publisher:
- Belgrade : Military Technical Institute
Funding / projects:
- Cost-effective selection of new technologies and concepts of defense through social reforms and strategic orientations of Serbia in 21. century (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-47029)
Collections
Institution/Community
Mašinski fakultetTY - JOUR AU - Elek, Predrag AU - Jaramaz, Slobodan AU - Micković, Dejan PY - 2013 UR - https://machinery.mas.bg.ac.rs/handle/123456789/4870 AB - The paper considers the motion of a cylindrical metal liner caused by expanding products of internal detonation. A new analytical model of cylinder motion is developed for the case of axial initiation of an explosive charge. The suggested model relies on the two-stage regime of cylinder motion. The first stage considers the interaction of the detonation wave and the metal liner, resulting in the initial velocity imparted to the liner. The second stage is a gas-dynamic push of the cylinder governed by detonation products expansion, similarly to the Gurney approach. The numerical simulation of the explosive propulsion of the cylinder is performed using the FEM-based software Abaqus/Explicit. The results of the analytical model are validated by a comparison with the available experimental data and the simulation results. PB - Belgrade : Military Technical Institute T2 - Scientific Technical Review T1 - Modeling of the metal cylinder acceleration under explosive loading IS - 2 SP - 39-46 VL - 63 UR - https://hdl.handle.net/21.15107/rcub_machinery_4870 ER -
@article{ author = "Elek, Predrag and Jaramaz, Slobodan and Micković, Dejan", year = "2013", abstract = "The paper considers the motion of a cylindrical metal liner caused by expanding products of internal detonation. A new analytical model of cylinder motion is developed for the case of axial initiation of an explosive charge. The suggested model relies on the two-stage regime of cylinder motion. The first stage considers the interaction of the detonation wave and the metal liner, resulting in the initial velocity imparted to the liner. The second stage is a gas-dynamic push of the cylinder governed by detonation products expansion, similarly to the Gurney approach. The numerical simulation of the explosive propulsion of the cylinder is performed using the FEM-based software Abaqus/Explicit. The results of the analytical model are validated by a comparison with the available experimental data and the simulation results.", publisher = "Belgrade : Military Technical Institute", journal = "Scientific Technical Review", title = "Modeling of the metal cylinder acceleration under explosive loading", number = "2", pages = "39-46", volume = "63", url = "https://hdl.handle.net/21.15107/rcub_machinery_4870" }
Elek, P., Jaramaz, S.,& Micković, D.. (2013). Modeling of the metal cylinder acceleration under explosive loading. in Scientific Technical Review Belgrade : Military Technical Institute., 63(2), 39-46. https://hdl.handle.net/21.15107/rcub_machinery_4870
Elek P, Jaramaz S, Micković D. Modeling of the metal cylinder acceleration under explosive loading. in Scientific Technical Review. 2013;63(2):39-46. https://hdl.handle.net/21.15107/rcub_machinery_4870 .
Elek, Predrag, Jaramaz, Slobodan, Micković, Dejan, "Modeling of the metal cylinder acceleration under explosive loading" in Scientific Technical Review, 63, no. 2 (2013):39-46, https://hdl.handle.net/21.15107/rcub_machinery_4870 .