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IssuesArchive of Issues2007-6pp.947-955

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Total articles in the database: 9179
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E. G. Glazova, A. V. Kochetkov, and S. V. Krylov, "Numerical simulation of explosion processes in fronzen soil," Mech. Solids. 42 (6), 947-955 (2007)
Year 2007 Volume 42 Number 6 Pages 947-955
Title Numerical simulation of explosion processes in fronzen soil
Author(s) E. G. Glazova (Lobachevskii Nizhnii Novgorod State University, pr-t Gagarina 23, Nizhnii Novgorod, 603950, Russia, glazova@dk.mech.unn.ru)
A. V. Kochetkov (Lobachevskii Nizhnii Novgorod State University, pr-t Gagarina 23, Nizhnii Novgorod, 603950, Russia, kochetkov@dk.mech.unn.ru)
S. V. Krylov (Lobachevskii Nizhnii Novgorod State University, pr-t Gagarina 23, Nizhnii Novgorod, 603950, Russia, krylov@dk.mech.unn.ru)
Abstract At present, there are numerous experimental and theoretical papers concerned with the behavior of soft soils under explosive loading; e.g., see [15]. The case of frozen soils is quite different. There are known only a few papers presenting the results of experimental [68] and numerical [9, 10] studies. The numerical results were obtained by solving one-dimensional problems on the explosion of a spherical charge. In the present paper, we give the results of numerical studies of wave processes caused by the explosion of a spherical charge in a homogeneous or layered frozen soil with allowance for the free surface and the finite depth of the freezing boundary. Frozen and soft soils are modeled by Grigoryans medium with irreversible bulk and shear strains. We analyze how the free boundary and the interface affect the wave parameters. The results of numerical calculations are compared with known experimental data.
References
1.  G. V. Rykov, "Experimental Studies of Stress Fields under Explosion in Sand Soils," Zh. Prikl. Mekh. Tekh. Fiz., No. 1, 85-89 (1964).
2.  G. M. Lyakhov, Waves in Soils and Porous Multicomponent Media (Nauka, Moscow, 1982) [in Russian].
3.  A. A. Vovk, B. V. Zamyshlyaev, L. S. Evterev, et al., Behavior of Soils under Action of Pulse Loadings (Naukova Dumka, Kiev, 1984) [in Russian].
4.  N. N. Gerdyukov, A. G. Ioilev, and S. A. Novikov, "Study of the Effect of Explosive Shock Loads on Soft Soil," Zh. Prikl. Mekh. Tekh. Fiz., No. 2, 149-152 (1992) [J. Appl. Mech. Tech. Phys. (Engl. Transl.) 33 (2), 291-294 (1992)].
5.  V. G. Bazhenov, V. L. Kotov, A. V. Kozetkov, et al., "On Wave Processes in Soil Subjected to a Surface Charge Explosion," Izv. Akad. Nauk. Mekh. Tverd. Tela, No. 2, 70-77 (2001) [Mech. Solids (Engl. Transl.) 36 (2), 62-68 (2001)].
6.  Yu. Ya. Trukhanov, "Experimental Investigation of the Stress and Particle Velocity Fields Associated with Explosions in Frozen Soils," Fizika Goreniya i Vzryva 3 (1), 128-136 (1967) [Combustion, Explosion, and Shock Waves (Engl. Transl.) 3 (1), 80-86 (1967)].
7.  A. A. Vovk, A. V. Mikhalyuk, G. I. Chernyi, et al., "Mechanical Properties of Frozen Soils under Dynamical Stresses," Osn., Fundam., Mekh. Gruntov, No. 2, 14-17 (1980).
8.  G. M. Lyakhov and G. B. Frash, "Blast Waves in Frozen Soils," Zh. Prikl. Mekh. Tekho. Fiz., No. 6, 52-57 (1983).
9.  I. A. Luchko, V. A. Plaksii, N. S. Remez, et al., Mechanical Effect of Explosion in Soils (Naukova Dumka, Kiev, 1989) [in Russian].
10.  E. G. Glazova and A. V. Kochetkov, "Simulation of Wave Processes under Explosion in Frozen Soils," in Problems of Strength and Plasticity (Izd-vo NNGU, N.Novgorod, 2004), No. 66, pp. 128-136.
11.  S. S. Grigoryan, "On Main Representations of the Dynamics of Soils," Prikl. Mat. Mekh. 24 (6), 1057-1072 (1960) [J. Appl. Math. Mech. (Engl. Transl.)].
12.  G. M. Lyakhov, "Model of Frozen Soils Used to Describe Wave Processes," in Problems of Thermomechanics of Soils (Izd-vo MGU, Moscow, 1986), pp. 16-36 [in Russian].
13.  M. Kh. Abuzyarov, V. G. Bazhenov, V. L. Kotov, et al., "A Godunov-Type in Dynamics of Elastoplastic Media," Zh. Vychisl. Mat. i Mat. Fiz. 40 (6), 940-953 (2000) [Comput. Math. Math. Phys. (Engl. Transl.) 40 (6), 900-913 (2000)].
14.  V. G. Bazhenov, S. V. Zefirov, V. R. Fel'dgun, et al., "Program Complex 'Dynamics-2'," in Transfer Technologies in Informatics (Tomsk Polytekh. Inst., Tomsk, 1999), Collection of Scientific Papers, No. 1, pp. 40-45 (1999) [in Russian].
15.  I. Faux and M. Pratt, Computational Geometry for Design and Manufacture (Ellis Horwood, Chichster, 1979; Mir, Moscow, 1982).
Received 20 January 2007
Link to Fulltext http://www.springerlink.com/content/u1243v4685424683
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