Interaction of Soil and Penetration Projectile

by David Z. Yankelevsky, Prof.; Civ. Engrg. Dept., Technion-Israel Inst. of Tech., Haifa, Israel 32000,

Serial Information: Journal of the Geotechnical Engineering Division, 1982, Vol. 108, Issue 3, Pg. 493-497

Document Type: Journal Paper


The motion of a terradynamic penetrator is formulated, and some interaction characteristics as the added mass and the interaction pressure distribution are calculated. The magnitude of the added mass is found to be small compared to the penetrator's mass. The expression for the interaction pressure is shown to be composed of a static and a dynamic term. The calculated stresses and masses can be used for the dynamic analysis of the penetrator's structure.

Subject Headings: Penetration tests | Projectile penetration | Pressure distribution | Stress analysis | Dynamic pressure | Motion (dynamics) | Statics (mechanics) | Structural dynamics

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