Nonlinear effects near an explosions

The purpose of this study is to find the dimensions of the shattered zone produced by the explosion of a spherical charge, in terms of the properties of the medium and the weight of the explosive charge; and then, to establish a relationship between the size of this nonlinear region and the frequency spectrum of the elastic signal. The computation of the size of the shattered zone, shows that this region is bounded by a so called "Critical Radius," which occurs when the shock wave pressure caused by the explosion decreases in value until it equals the yield strength of the medium. Within this region, different values of the shock wave pressure for different values of explosive charges follow the Principle of Similarity. The calculation of the frequency spectra, shows that for an ideally elastic medium, the shape of the frequency spectrum of the signal outside the shattered zone, changes as a function of both the critical radius and the P-wave velocity of the medium.

Name thesis:degree_name

Master of Arts

Level thesis:degree_level

Masters

Discipline thesis:degree_discipline

Natural Sciences

Grantor

Rice University

Year dc:date.issued

1969

Author dc:creator

• Alvarado de la Tejera, Salvador

Advisor dc:contributor.advisor

• De Bremaecker, Jean-Claude

Statement dc:rights

• Copyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.

Language dc:language.iso

eng

Handle dc:identifier.uri

https://hdl.handle.net/1911/90050

OAI identifier oai:identifier

oai:repository.rice.edu:1911/90050