A Simplex-method-based Algorithm for Determining the Source Location of Microseismic Events.
MISSING :12 pages
The U.S. Bureau of Mines conducts basic and applied research related to predicting, eliminating, and/or controlling rock bursts in underground hard-rock mines and coal bumps in underground coal mines. An important element in this research is the development of a reliable and efficient microseismic source location technique. This report presents the results of a Bureau study to develop and evaluate a new algorithm to locate microseismic events based on the simplex method, a powerful linear programming technique. The technique was tested on both field data and simulated data. Microseismic event source locations obtained with this new simplex- based algorithm were shown to have less error than those locations obtained using a least squares method. It was concluded that the simplex approach to source location of microseismic events can be used effectively in microseismic monitoring.
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