Computer Simulation of Shaped Charge Problems by Wen Ho Lee

By Wen Ho Lee

Dedicated to the topic of form cost layout utilizing numerical equipment, this publication deals the security and advertisement industries specific fabric now not contained in the other unmarried quantity. The assurance of the Lagrangian and Eulerian tools in addition to the equation of nation offers first hand support to engineers engaged on form cost difficulties. The booklet contains distinct descriptions of oil-well perforation now not to be had from the other resources and, coupled with the fabric movement physics mentioned in Chapters 2 and three and Appendix B, readers can layout the gasoline rod configurations for a nuclear reactor center. The equations of kingdom and the constitutive versions in bankruptcy eight are one of the best fabric versions at present to be had.

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CELL-MA P P I NG GUI DELI NE S Cell mapping should be conducted by two-person crews, not only because of safety considerations but to increase productivity and accuracy. Once a line of cells is laid out, the most efficient cell-mapping procedure is to have one mapper work near the bench face on the muck pile and the second mapper on the bench level. For both flat-lying structure sets and sets that are subparallel to parallel to the bench face, it is very difficult to determine the orientation without approaching the bench face and measuring one or more individual fractures.

There are a number of oriented-core techniques, including Clay imprint (Call, Savely, and Pakalins 1982), Craelius (Rostrom 1961), and the Scribe method. All three of the surface mapping methods will provide the basic data on orientation, spacing, and length. Cell mapping and fracture-set mapping are preferred because more data can be collected over a larger area to better define (1) the limits of structural domains and (2) the variability of the joint characteristics with the structural domain.

Fault zones are variable; the strength that usually controls the behavior of the fault is the strength of the material that is the weakest and comprises at least 20% of the fault zone. 1 Typical open-pit design cross section or greater in length than the height of two design benches. The structures that have a minimum cutoff length equal to the height of two design benches are, by definition, the intermediate structures. The intermediate structures are analyzed statistically to determine the probability of structurally controlled multiple bench failures that affect the interramp slope stability.

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