Browsing by Author "Boiko, Viktor"

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    Development of a Mathematical Model of Dynamic Soil Deformation Taking into Account the Variable Coefficient of Volumetric Viscosity
    (ACS Publications, 2024) Remez, Natalya; Haiko, Hennadii; Dychko, Alina; Boiko, Viktor; Haiko, Svitlana; Antoniuk, Olena
    ENG: Determining soil deformations under the influence of dynamic loads of different nature, including during military actions, is an important scientific and practical problem. At the same time, when solving problems of determining the stress-strain state of soils under the action of short-term dynamic loads, little attention has been paid to the multicomponent composition and viscous properties. The aim of the research is to develop a mathematical model of soil deformation taking into account the variable coefficient of volumetric viscosity both during loading and unloading. The methods of mathematical modeling and numerical integration are used in the research. The possibility of using the proposed model to determine the deformation of soils under explosive and shock loads is shown, which helps control the properties of soils for the protection of shallow underground structures. The results of a comparison of the obtained analytical data with the experimental data are presented.