Results 21 to 30 of about 6,367 (167)
Results in Engineering, 2020 This paper investigates time-dependent Dean Flow of an incompressible fluid under homogeneous slip, non-homogeneous slip, and no-slip boundary conditions. The fluid flow is due to the sudden application of an azimuthal pressure gradient.
Basant Kumar Jha, Yahaya Jibrin Danjuma
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Simulation of transient mixed flows based on the exact Riemann solver
Shui kexue jinzhan, 2020 The Preissmann slot method is simple to simulate transient mixed flows, but it has obvious non-physical oscillation. The key to the application of this method is to suppress the non-physical oscillations.
Wanguang SUN +3 more
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Boundary control problem for the telegraph equation
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2012 In the paper we consider the boundary control problem for the telegraph equation. We study the case of the short period of control, when the initial and final data determine the solution in two regions, having the common part.
Elena A Kozlova
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Note on the Resonance Method for the Riemann Zeta Function [PDF]
, 2018 We improve Montgomery's $Ω$-results for $|ζ(σ+it)|$ in the strip $1 ...
Bondarenko, Andriy, Seip, Kristian
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Fourier coefficients associated with the Riemann zeta-function
Karpatsʹkì Matematičnì Publìkacìï, 2016 We study the Riemann zeta-function $\zeta(s)$ by a Fourier series method. The summation of $\log|\zeta(s)|$ with the kernel $1/|s|^{6}$ on the critical line $\mathrm{Re}\; s = \frac{1}{2}$ is the main result of our investigation.
Yu.V. Basiuk, S.I. Tarasyuk
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On Cauchy problem for Euler–Poisson–Darboux system with nilpotent matrix coefficient
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2012 The solution of Cauchy problem for the system of Euler–Poisson–Darboux equations with nilpotent matrix coefficient of power m is obtained by the Riemann method. The Hadamard well-posedness theorem for the Cauchy problem solution is formulated.
Ekaterina A Maksimova
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Вестник Самарского университета: Естественнонаучная серияBoundary value problems for certain systems of hyperbolic-type differential equations can be effectively solved using the Riemann method. In this paper, we consider an approach for constructing the Riemann matrix for a system of fourth order hyperbolic ...
Ju. O. Yakovleva
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Green's functions and Riemann's method [PDF]
Proceedings of the Edinburgh Mathematical Society, 1965 Methods for solving boundary value problems in linear, second order, partial differential equations in two variables tend to be somewhat rigidly partitioned in some of the standard text-books. Problems for elliptic equations are sometimes solved by finding the fundamental solution which is defined as a solution with a given singularity at a certain ...
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A robustness-enhanced method for Riemann solver
International Journal of Heat and Mass Transfer, 2021 Abstract The appearance of shock anomaly is a major unsolved problem for some low diffusion schemes when simulating the hypersonic flow. In this paper, a simple method is proposed to enhance the robustness of the low diffusion schemes to overcome the shock anomaly.
Shaolong Guo, Wen-Quan Tao
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Use Sequences to improve the numerical Riemann method to calculate integrals [PDF]
مجلة التربية والعلم, 1999 The purpose of this research is the improvement of the numerical Riemann's integral using series. Riemann's method displayed in this research and we suggested an algorithm to improve the convergence using Geometric series, p-series and Taylor series for ...
Mohamةed Altaie
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