Results 11 to 20 of about 214,662 (263)
Symmetries of the Hamilton-Jacobi equation [PDF]
Компьютерные исследования и моделирование, 2012 The notion of symmetry transformations of the Hamilton-Jacobi equation. For the group of symmetries is shown how to be associated with the Hamiltonian function coefficients of the infinitesimal operator of the group.
Gennadii Nikolaevich Yakovenko
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On Solution of First-Order Linear Systems of Partial Differential Equations
Современная математика: Фундаментальные направления, 2021 Explicit formulas for the first-order partial differential equations system solving were obtained. Solution found for the system with initial conditions. Calculation examples establishing statements truth mentioned.
V. G. Zadorozhniy, L. Yu. Kabantsova
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St. Petersburg Polytechnical University Journal: Physics and Mathematics, 2020 In this paper proposes a concept for independent calculation of parameters of elements in fiber-optic interferometric schemes with time-division multiplexing (TDM).
Kostromitin Aleksey +3 more
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Riccati transfer equations for fluid structure interaction in liquid-filled piping systems
Heliyon, 2023 In this paper, based on the Riccati transfer matrix method (RTMM), the Riccati fluid structure interaction transfer equations (FSIRTE) are established to improve the numerical stability of the classical fluid structure interaction transfer matrix method (
Li Tang +3 more
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CALCULATION OF PARAMETERS BOTTOMHOLE FORMATION ZONE AT THE ZONAL INHOMOGENEITIES
Вестник Северо-Кавказского федерального университета, 2022 Expressions are obtained for calculating the parameters of the bottomhole formation zone at the zonal heterogeneity. The examples of calculation for a specific well Kasimovsky UGSF. Recommendations are given of supervising the correct calculation.
Tatyana A. Gunkina +3 more
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METHOD FOR THE CONTROL VERIFICATION OF DIGITAL INFORMATION, REPRESENTED IN A RESIDUE NUMBER SYSTEM
Сучасні інформаційні системи, 2020 The subject of the research in the article is the control methods for the data presented in the residue number system. The object of research is the process of monitoring data presented in the residue number system.
Victor Krasnobayev +2 more
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Theoretical Determination of Losses in Involute Gearing
Наука и техника, 2005 The paper proposes a calculation method for determination of losses in involute gearing designed with combined parameters or standard methods. Calculation examples are given in the paper.
A. S. Marchook
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Journal of Marine Science and Engineering, 2022 Sudden natural disasters have the characteristics of complexity, unpredictability and frequency. To better manage and analyze sudden natural disasters promptly with the help of historical natural disaster cases, this study adopts the method of fused case
Cheng Cheng +3 more
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Basics of statistics-3: Sample size calculation – (i)
Cancer Research, Statistics, and Treatment, 2020 Introduction: From a practicing oncologist's perspective, sample size calculation is a very intriguing aspect of medical statistics. Methods: Basic aspects of sample size calculation in relevant case scenarios are discussed.
H S Darling
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Applied Sciences, 2023 Intelligence development has put forward increasing requirements of real-time planning and dynamic feedback in controlling robotic arms. It has become essential in engineering applications to complete the kinematics calculation of complex manipulators in
Jiyang Yu +4 more
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