Geodesic
Interacting of a fissure hydrodetaching working tool with a rock cranch
Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika, no. 1 (2014), pp. 82-89 Cet article a éte moissonné depuis la source Math-Net.Ru

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Results of modeling a hydroseparator with a cropped cranch are presented. The research was performed by use of numerical modelling. The working stroke of the hydroseparator is divided into three characteristic stages according to working conditions of a real tool: the first stage of approach of the separator plate to the pillar; the second stage of deformation and brake-off of the pillar from a massif; and the third stage of transportation of the torn off pillar from a zone of the slot, a retardation and stop of the hydroseparator stock-piston. The problems are solved using the GRAPH-PA and ANSYS programs. Distribution patterns of the maximum tangential stresses in a massif are obtained. Stress and deformation fields in the cranch and adjacent massif are determined, zones of extension and compression of the cranch are exposed, and the maximum values of equivalent strains are found in the extension zone.
Keywords: modeling, fissure hydrodetaching working tool of a mining machine, combined ways of destruction of a cranch, stress field. 
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N. V. Mutovina; Yu. I. Klimov; A. Yu. Smolin. Interacting of a fissure hydrodetaching working tool with a rock cranch. Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika, no. 1 (2014), pp. 82-89. http://geodesic.mathdoc.fr/item/VTGU_2014_1_a7/

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