Modelling and numerical analysis of explosion underneath the vehicle

• Autorzy: Sławiński G. , Świerczewski M. , Malesa P.

Identyfikatory

DOI

10.5604/01.3001.0010.3146

• Języki publikacji: EN

Abstrakty

EN

The article presents a method for numerical modelling of interaction of a shock wave on a simplified model of a light armoured vehicle. Detonation of the explosive material occurs centrally underneath the vehicle. The mass of an explosive charge was from 0.5 to 10 kg off TNT. Acceleration, displacement and kinetic energy of the floor plate/panel were verified during the tests. The model and numerical calculations were carried out using the following programs: CATIA, HyperMesh, LS-PrePost, LS-Dyna. CONWEP approach was applied to describe interaction of a pressure wave on the structure. For each case, the explosive charge was located at the same place under 700 mm from the top surface of the range stand. The results of the calculations present the effects of detonation under the vehicle without a protective system and with the protective system. The proposed protection system is made of low-density materials such as aluminum foam and cork. Thanks to such an approach, the effectiveness of the protective system will be checked to reduce the adverse physical quantities that threaten the health of the soldiers. Thanks to very simple solutions, it is possible to increase passive safety of passers and use of low-density materials will slightly increase the vehicle's mass leaving manoeuvrability at a similar level.

Słowa kluczowe

EN

shock wave; Light Armored Vehicle; LAV; CONWEP; protective structure; IED

• Wydawca: Łukasiewicz Research Network - Institute of Aviation ; European Science Society of Powertrain and Transport KONES Poland ; Wydawnictwo Instytutu Technicznego Wojsk Lotniczych
• Czasopismo: Journal of KONES
• Rocznik: 2017
• Tom: Vol. 24, No. 4
• Strony: 279--286
• Opis fizyczny: Bibliogr. 4 poz., rys.

Twórcy

autor

Sławiński G.

• Military University of Technology Department of Mechanics and Applied Computer Science Gen. S. Kaliskiego Street 2, 00-908 Warsaw, Poland tel.: [phone], fax: [phone]

autor

Świerczewski M.

• Military University of Technology Department of Mechanics and Applied Computer Science Gen. S. Kaliskiego Street 2, 00-908 Warsaw, Poland tel.: [phone], fax: [phone]

autor

Malesa P.

• Military University of Technology Department of Mechanics and Applied Computer Science Gen. S. Kaliskiego Street 2, 00-908 Warsaw, Poland tel.: [phone], fax: [phone]

Bibliografia

• [1] APE-55 Procedures for Evaluating the Protection Levels of Logistic and Light Armoured Vehicle Occupants for Grenade and Blast Mine Threats Level, NATO/PFP Unclassified, Vol. 2.
• [2] AEP-55, Procedures for Evaluating the Protection Levels of Logistic and Light Armoured Vehicles for KE and Artillery Threats, NATO/PFP Unclassified, Vol. 1.
• [3] Hallquist, J. O., LS-Dyna, Theory manual, California Livermore Software Technology Corporation, 2003.
• [4] Hyde, D., User’s guide for microcomputer programs CONWEP and FUNPRO – applications of TM 5-855-1, U.S.Army Engineer Waterways Experimental Station, Vicksburg 1988.

Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).