Zobrazeno 1 - 10
of 2 108
pro vyhledávání: '"euler equation"'
Autor:
Kazuki Ishibashi
Publikováno v:
Opuscula Mathematica, Vol 44, Iss 5, Pp 727-748 (2024)
In this study, we addressed the nonoscillation of th Sturm-Liouville differential equation with a differential operator, which corresponds to a proportional-derivative controller. The equation is a conformable linear differential equation. A Wintner-
Externí odkaz:
https://doaj.org/article/e51be5754e3a4bbbbd418c0f48a8ee9d
Publikováno v:
Axioms, Vol 13, Iss 9, p 627 (2024)
In this research paper, we consider a model of the fractional Cauchy–Euler-type equation, where the fractional derivative operator is the Caputo with order 0<α<2. The problem also constitutes a class of examples of the Cauchy problem of the Bagley
Externí odkaz:
https://doaj.org/article/b92e2574f114462587c5b9072e625d65
Autor:
Pavel B. Dubovski, Jeffrey A. Slepoi
Publikováno v:
Mathematics, Vol 12, Iss 13, p 1928 (2024)
We further extend the results of other researchers on existence theory to homogeneous fractional Cauchy–Euler equations ∑i=1mdixαiDαiu(x)+μu(x)=0,αi>0, with the derivatives in Caputo or Riemann–Liouville sense. Unlike the existing works, we
Externí odkaz:
https://doaj.org/article/eb0e4327a92944b19bb9d14c69e0e90a
Publikováno v:
Symmetry, Vol 16, Iss 5, p 538 (2024)
This article presents a detailed examination of the methodology and modeling tools utilized to analyze gas flows in pipelines, rooted in the fundamental principles of gas dynamics. The methodology integrates numerical simulations with modern neural n
Externí odkaz:
https://doaj.org/article/79f97afec4b6469bab809807d2995116
Autor:
Cheng Yang
Publikováno v:
Communications in Analysis and Mechanics, Vol 15, Iss 2, Pp 58-69 (2023)
The Craik-Leibovich equation (CL) serves as the theoretical model for Langmuir circulation. We show that the CL equation can be reduced to the dual space of a certain Lie algebra central extension. On this space, the CL equation can be rewritten as a
Externí odkaz:
https://doaj.org/article/a06bc8f557dc48a2884d870b0e0bcde0
Publikováno v:
Aerospace, Vol 11, Iss 4, p 250 (2024)
Hybrid airships, combining aerodynamic lift and buoyant lift, are efficient near-space aircraft for scientific exploration, observation, and surveillance. Compared to conventional airplanes and airships, hybrid airships offer unique advantages, inclu
Externí odkaz:
https://doaj.org/article/0330cb8f50214541a12d739f89481d22
Publikováno v:
Applied Sciences, Vol 14, Iss 6, p 2417 (2024)
A study concerning the influence of flow on the Herschel–Quincke duct is presented here, which includes the numerical model, the acoustic source and the absorption condition called the Perfectly Matched Layer. For the excitation of a sound field, a
Externí odkaz:
https://doaj.org/article/70973f5882af4c1a8fd9c4cefa4ef70a
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