Bending of a circular disk: from cylinder to ultrathin membrane
Вестник Самарского университета: Естественнонаучная серия, 2023 The article discusses methods of mathematical modeling of the stress-strain state of a circular disc at various ratios of its thickness to radius, ranging from 1 to 10−3.
Sergey A. Lychev +2 more
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The choice of spectral ranges of registration for the fluorescent method for detecting leaks in oil pipelines at an excitation wavelength of 355 nm [PDF]
E3S Web of Conferences, 2023 Mathematical modeling was carried out based on the experimentally measured fluorescence spectra of oil, vegetation and water to select the most effective spectral registration ranges for the fluorescent method for detecting oil leaks at an excitation ...
Belov Mikhail, Nguyen Minh Bach
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Vector-matrix Analytical Model Recognitions of Nanoparticles of Silver on Polyester Fibers on Polarizing Raman Ranges [PDF]
Журнал нано- та електронної фізики, 2016 Results of vector-matrix modeling of estimates of crossing of ellipses of distribution at recognition of nanoparticles of silver are given in polyair fibers on multidimensional correlation components of the Raman ranges with control according to ...
V.M. Emelyanov +4 more
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Mathematical Modelling of Heat Transfer in Pipes with Turbulators in the Laminar Region and in the Transition to Turbulent Flow [PDF]
E3S Web of Conferences, 2023 The article presents an analysis of mathematical modeling of heat transfer in pipes with turbulators at low Reynolds numbers characteristic of laminar and transient flow modes of heat carriers.
Lobanov Igor +2 more
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Dynamic range optimization of optoelectronic systems based on quantum mathematical models
Results in Physics, 2023 A photodiode is a small and low-cost photosensitive sensor that can measure the solar vector through at least three combinations, making it a high-precision solar sensor. How to select the number of photodiodes and determine their layout is a challenge in order to solve the solar vector in any direction in a 360° field of view space as much as possible,
Zhefeng Yu, Changming Tan
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Assessment of Reliability of Recognition of Nanoparticles of Silver on Polyester Fibers on Two-dimensional Models and Experimental Data of the Raman Ranges [PDF]
Журнал нано- та електронної фізики, 2016 Results of comparison of parameters of crossing of distribution of multidimensional correlation components of polarizing Raman ranges with control on polarizing characteristics at recognition of nanoparticles of silver are given in polyair fibers on ...
T.A. Dobrovolskaya +4 more
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Mathematical Modeling Methods in Designing Onboard Laser-Ranging Systems of Spacecraft
Radio Engineering, 2021 To perform rendezvous and docking of spacecraft (SC), it is necessary to detect and measure the coordinates of a passive space vehicle (SV) using the onboard aids of an active SV. For this purpose, in addition to radio engineering systems, laser-ranging systems (LRS) are used. A designing process of the onboard LRS for promising spacecraft is currently
E. I. Starovoitov, D. V. Savchuk
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A Mathematical Model for Invasion Range of Population Dispersion Through a Patchy Environment [PDF]
Biological Invasions, 2005 We focus on the question of how the dispersion of an invading population is affected by the spatial distribution of patches that have resource available for the population’s settlement and reproduction. We have developed and analyzed a mathematical model with a simple stochastic process.
Seno, Hiromi, Koshiba, Shinko
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Eco-friendly ceramic tiles: development based on technical and market demands
Journal of Materials Research and Technology, 2021 This work aimed to develop eco-friendly ceramic tiles employing by-products of porcelain stoneware manufacturing as raw material, based on three technical-economic premises: designing new products that respect the standards; avoid using by-products as ...
Tiago Zanatta +4 more
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Mathematical Modeling of Inflammatory Processes of Atherosclerosis
Mathematical Modelling of Natural Phenomena, 2022 In this paper we study the early stages of atherosclerosis via a mathematical model of partial differential equations of reaction-diffusion type. The model includes several key species and identifies endothelial hyperpermeability, believed to be a ...
G. Abi Younes, N. El Khatib
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