SPHERICAL WAVES IN INELASTIC MATERIALS

reportActive / Technical Report | Accession Number: AD0703295 | Open PDF

Abstract:

The effects of constitutive properties on spherical wave propagation are investigated through finite element calculations of an infinite medium Cedar City Tonalite loaded internally by a sphere of chemical explosive. Detonation of the explosive is represented by applying a pressure to the cavity surface which varies with time in a manner similar to that measured experimentally by Physics International Company. Results are presented as stresstime histories and stress strain relations at various cavity radii and as rates of attenuation of the peak radial stress. The results illustrate the effect of varying the bulk modulus, yield criterion and plastic flow rule.

Author(s):
Isenberg, J. ; Bhaumik, A. K. ; Wong, F. S.
Author Organization(s):
AGBABIAN-JACOBSEN ASSOCIATES LOS ANGELES CA
Supplementary Note:
DOI: 10.21236/AD0703295
Pagination:
0065

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release
Distribution Statement:
Approved For Public Release; Distribution Is Unlimited.

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
AJA-R-6813-777, DASA-2404
Contract/Grant Number(s):
DASA01-68-C-0081
Project Number(s):
DASA-NWER-SB-047
Monitor Series:
2404, DTRA
 Subject Terms
Joint Capability Areas:
JCA_3.2_Engagement; JCA_3_Force Application; JCA_3.2.1_Kinetic Means; JCA_5_Command and Control; JCA_5.3_Planning; JCA_1.2.7_Experimentation; JCA_1.4.2_Health Service Delivery; JCA_1.4_Force Support
Modernization Areas:
Fully Networked C3; Directed Energy
Communities of Interest:
Energy and Power Technologies
Descriptor(s):
*NUCLEAR EXPLOSIONS, *SOIL MECHANICS, DETONATION WAVES, ELASTIC PROPERTIES, EXPLOSION EFFECTS, MATHEMATICAL MODELS, PROPAGATION, SIMULATION, STRAIN(MECHANICS), STRESSES, UNDERGROUND EXPLOSIONS
Field(s)/Group(s):
Soil Mechanics
Keyword(s):
FINITE ELEMENT ANALYSIS, SPHERICAL WAVES
Report Date:
1970 Mar 01