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Information × Registration Number 0215U004114, 0114U001779 , R & D reports Title Mathematical simulation of unsteady gas filtration in a heterogeneous porous environments with moving boundaries section of gas-water. Section 2. The development of adaptive methods and their approbation for calculation of dynamic parameters of the flows of gas and water in inhomogeneous porous media popup.stage_title Head Chekurin Vasyl Feodosiywych, Доктор фізико-математичних наук Registration Date 05-02-2015 Organization Pidstryhach Institute of Applied Problems of Mechanics and Mathematics NAS of Ukraine popup.description2 The mathematical model for dynamics of elastic waves propagation in a porous layer saturated by natural gas and water is developed. The model takes into account non-stationary filtration of the fluids under variations of the amount of the gas accumulated in the pore volume of the layer. Distributions of the fluid pressure in the pore space of the layer and interfacial boundary displacement are studied depending on the amount of the natural gas accumulated in the layer. Interaction of SH-waves and elastic disturbances, caused by a point pulse seismic source, with semi-infinite horizontally layered structure, containing gas- and water-saturated layers, is studied. Analytical dependences of the amplitude and phase characteristics of the SH-waves reflected and refracted the structure are obtained. The effect of the amount of the gas, accumulated in the pore volume of the layer, on the interference of the waves, excited by the pulse point source, is numerically studied. On the base of the developed mathematical models and methods algorithms for the simulation of underground gas facilities are developed and tested. Product Description popup.authors Кравчишин О.З. Міщенко В.О. Притула Н.М. Чекурін В.Ф. popup.nrat_date 2020-04-02 Close