Particle-in-Cell Method in Shock Propagation Problems

by Melvin L. Baron,
Charles E. Christian,
Oleg Skidan,

Serial Information: Journal of the Engineering Mechanics Division, 1966, Vol. 92, Issue 6, Pg. 205-230

Document Type: Journal Paper


The paper considers a particle-in-cell approach for the analysis of high velocity impact problems in which large motions preclude the practical use of either a purely Lagrangian or purely Eulerian computational scheme for integrating the equations of motion. An application is made to the analysis of the extreme close-in region of a nuclear explosion on a rocklike medium. Numerical results for the pressure distribution in the medium and particle position plots are presented for a particular case which had been considered previously by other investigators. A comparison of the pressure curves is given.

Subject Headings: Equations of motion | Particles | Particle velocity | Numerical analysis | Pressure distribution | Lagrangian functions | Computing in civil engineering | Explosions

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