COMPUTER MODELLING OF THE INTENSE DEFORMED CONDITION OF SHUTOFF VALVES FOR THE OIL AND GAS INDUSTRY
In article the basic technological purpose of shutoff valves, economic factors of decrease and loss of oil production connected with failure of shutoff valves and loss of tightness are considered. The existing traditional method of calculation of fittings, with the indication of shortcomings is given. The settlement mechanical schemes applied in analytical, and also finit-element calculations are analyzed. The technique of computer calculation of a wedge plug on durability and rigidity taking into account a body weight of a design with use of modern SAPR APM Winmachine is presented. Results of modeling on the basis of FEM are presented in the form of isolines of tension and movements. The analysis of coherence of computer calculation from a resultants of the practical application which is carried out by other authors is carried out.