Numerical Simulation for Formed Projectile of Depleted Uranium Alloy

SONG Shun-cheng; GAO Ping; CAI Hong-nian

Article Contents

Article Navigation > Applied Mathematics and Mechanics > 2003 > 24(9): 951-955

SONG Shun-cheng, GAO Ping, CAI Hong-nian. Numerical Simulation for Formed Projectile of Depleted Uranium Alloy[J]. Applied Mathematics and Mechanics, 2003, 24(9): 951-955.

Citation:

SONG Shun-cheng, GAO Ping, CAI Hong-nian. Numerical Simulation for Formed Projectile of Depleted Uranium Alloy[J]. Applied Mathematics and Mechanics, 2003, 24(9): 951-955.

Citation:

SONG Shun-cheng, GAO Ping, CAI Hong-nian. Numerical Simulation for Formed Projectile of Depleted Uranium Alloy[J]. Applied Mathematics and Mechanics, 2003, 24(9): 951-955.

PDF( 1716 KB)

Numerical Simulation for Formed Projectile of Depleted Uranium Alloy

1.
Department of Applied Mechanics and Engineering, Southwest Jiaotong University, Chongdu 610031, P.R.China;
2.
Metals Institute of Neimenggu, Baotou 014034, P.R.China;
3.
China South Industries Group Corporation, Beijing 100081, P.R.China

Received Date: 2002-03-01
Rev Recd Date: 2003-05-06
Publish Date: 2003-09-15

Abstract

Abstract

The numerical simulation for forming projectile of depleted uranium alloy with the SPH (Smooth Particle Hydrodynamic) algorithm was presented. In the computations the artificial pressures of detonation were used, i. e. the spatial distribution and time distribution were given artificially. To describe the deformed behaviors of the depleted uranium alloy under high pressure and high strain rate, the Johnson-Cook model of materials was introduced. From the numerical simulation the formed projectile velocity, projectile geometry and the minimum of the height of detonation are obtained.
- formed projectile,
- detonation,
- SPH algorithm,
- artificial pressure

FullText(HTML)

References(8)

References

[1]	Flis W J.Fully automatic rezoning for a finite element hydrocode in 2-D and 3-D[A].In:Michael J Murphy,Joseph E Backofen Eds.17th Internat Symposium on Ballistics[C].Midrand: South Africa,1998,2,465-472.
[2]	Lucy L B.A numerical approach to the testing of the fission hypothesis [J].Astron J,1977,88(10):1013-1024.
[3]	Gingold R A,Monaghan J J.Smoothed particle hydrodynamics: theory and application to non-spherical stars[J].Monthly Notices R Astron Soc, 1977,181(4):375-389.
[4]	Libersky L D,Petschek A G.Smoothed particle hydrodynamics with strength of materials[J].Lecture Notes in Physics,1990,395(3):248-257.
[5]	Johnson G R,Cook W H.Fracture characteristic of three metals subjected to various strain rate, temperatures and pressures[J].Engineering Fracture Mechanics,1985,21(1):31-48.
[6]	von Neumann J,Richtmeyer R D.A Method for the numerical calculation of hydrodynamic shocks[J].J Appl Phys,1950,21:232-237.
[7]	Gingold R A,Monaghan J J.Shock simulation by the particle method SPH[J].J Comput Phys,1983,52(4):374-389.
[8]	Johnson G R,Cook W H.A Constitutive model and data for metals subjected to large strains,high strain rates and high temperatures[A].In: Michael J Murphy,Joseph E Backofen Eds.7th Internat Symposium on Ballistics[C].Hague:Netherlands,1983,541-547