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Information × Registration Number 0216U003473, 0115U002498 , R & D reports Title Development and research of a new method for constructing the accelerometric interwell 4D mathematical model of the Earth's crust by the seismic sounding data. popup.stage_title Head Lytvyn Oleg Mikolayovich, Доктор фізико-математичних наук Registration Date 28-01-2016 Organization Ukrainian Engineering-Pedagogic Academy popup.description2 The object of research is the process of mathematical modeling of the Earth's crust content seismic tomography. The subject of research is mathematical modeling of the Earth's crust 4D structure using interlination vector functions, which are the acceleration of soil vibrations. The aim is to develop, research and apply of a new method of constructing interwell accelerometric 4D mathematical model of the Earth's crust, according to seismic sensing. The input data for modeling are traces of the acceleration vector at each point given system the depth of wells at an arbitrary time t. At this stage interwell accelerometric 4D mathematical model of the distribution of the acceleration vector, which vary the particle crust of the Earth during and after the passage of seismic waves, constructed in the form of polynomial vector interlination acceleration by means experimental data - traces of this vector in a fixed system of wells. The first section of interim report contains the analytical review of literature on methods of mathematical modeling of the Earth's crust using seismic sounding data of the planet. It is noted that seismic imaging is one of the most widely used research methods bowels of the planet. In general seismology it is only part of the seismic image and is usually used for a specific purpose - the rate of spread compression waves (P-waves) and shear waves image fragment (S-waves). It can also be used to restore the Q factor weakening fluctuations. The simplest case of seismic tomography is to assess the speed of P-waves. To solve this problem developed several methods: refraction tomography times of arrival; finite-frequency tomography times of arrival; reflective imaging time of arrival; tomography form of seismic waves. Seismic tomography is formulated as an inverse problem. The analysis known works concluded that such precision characteristic distribution of seismic waves as the acceleration of particles which vary crust of the planet during and after the passage of seismic waves in a seismic survey currently not used. Therefore, in the second section of this interim report is created and investigated accelerometric vector mathematical model of the distribution of acceleration of seismic vibrations using acceleration data in the set of wells using a polynomial of degree minimum support functions. The program to compute the acceleration vector at each point (x,y,z) at an arbitrary time t, which vary the particle crust of the planet during and after the passage of seismic waves, based on traces of this vector in the set of vertical wells obtained by posted at various points in depth accelerometers was created. Experimental data obtained by accelerometers are very accurate, while as the average velocity of the seismic signal that are using inversion first time of arrival of the seismic signal to the monitoring points may be deviations from the actual speed the more than more this difference. Product Description popup.authors Бічуріна Разія Муніровна Драгун Володимир Володимирович Литвин Олег Миколайович Литвин Олег Олегович Лобанова Людмила Семенівна Мамедова Камала Арефівна Нечуйвітер Олеся Петрівна Сергієнко Іван Васильович Чебітько Лариса Анатоліївна Ярмош Олена Віталіївна popup.nrat_date 2020-04-02 Close