TY JOUR TI APPLICATION OF ANSYS FLUENT FOR CALCULATION OF PARAMETERS OF DISTRIBUTION OF THE SHOCK WAVE IN KNOTS OF crossings of underground excavations KW shock wave KW ANSYS FLUENT KW mathematical modeling KW explosive coal dust KW maximum explosion pressure KW maximum rate of explosion pressure rise JO Problems of risk management in the technosphere AU Sharavin, E.O. AU Tsygankov, V.D. AU Belshina, Y.N. PY 2018 IS 2018 PB Saint-Petersburg University of State Fire Service of Emercom of Russia