PROJECTILE PENETRATION IN SOIL AND ROCK: ANALYSIS FOR NON-NORMAL IMPACT.

被引：0
|
作者：
Bernard, Robert S.
Creighton, Daniel C.
机构：
来源：
Technical Report - US Army Engineer Waterways Experiment Station | 1979年
关键词：
COMPUTER PROGRAMMING - MATHEMATICAL MODELS - ROCK MECHANICS - SOIL MECHANICS;
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摘要：
An empirical rigid-projectile analysis has been developed for non-normal impact and penetration into soil and rock. The soil penetration analysis uses Young's S-number as the penetrability index. The rock penetration analysis calculates resistance-to-penetration using density, strength, and Rock Quality Designation. Expressions for compressive normal stress are integrated numerically over the projectile surface using the differential area force law in the PENCO2D computer code. The analysis includes free-surface and wake separation-reattachment effects.
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