Zobrazeno 1 - 10
of 137
pro vyhledávání: '"Ioannis Dassios"'
Autor:
Haifa Bin Jebreen, Ioannis Dassios
Publikováno v:
Mathematics, Vol 12, Iss 21, p 3307 (2024)
The main objective of this work is to apply a novel and accurate algorithm for solving the second-order and fourth-order fractional diffusion-wave equations (FDWEs). First, the desired equation is reduced to the corresponding Volterra integral equati
Externí odkaz:
https://doaj.org/article/5ed6c8f5976c49f69db541823659581c
Autor:
Haifa Bin Jebreen, Ioannis Dassios
Publikováno v:
Mathematics, Vol 12, Iss 21, p 3388 (2024)
The Chebyshev cardinal functions based on the Lobatto grid are introduced and used for the first time to solve the fractional delay differential equations. The presented algorithm is based on the collocation method, which is applied to solve the corr
Externí odkaz:
https://doaj.org/article/0dcacaae0bbf4f4fa698d37e669ca258
Autor:
Mehmet Yavuz, Ioannis Dassios
Publikováno v:
Mathematical and Computational Applications, Vol 29, Iss 5, p 82 (2024)
Mathematical modeling and system control are employed in many research problems, ranging from physical and chemical processes to biomathematics and life sciences [...]
Externí odkaz:
https://doaj.org/article/82f7614451f546d9ba9b2c8f774e4f64
Autor:
Federico Milano, Muyang Liu, Mohammed A. A. Murad, Guðrún M. Jónsdóttir, Georgios Tzounas, Muhammad Adeen, Álvaro Ortega, Ioannis Dassios
Publikováno v:
IET Smart Grid, Vol 5, Iss 5, Pp 309-331 (2022)
Abstract This paper presents the software tools developed for the research project Advanced Modelling for Power System Analysis and Simulation (AMPSAS) funded by Science Foundation Ireland from 2016 to 2021. The main objective of AMPSAS was the devel
Externí odkaz:
https://doaj.org/article/ac8c664d61594a8bbea624117ce84aea
Publikováno v:
IEEE Open Access Journal of Power and Energy, Vol 9, Pp 501-513 (2022)
This paper proposes a general framework to interpret the concept of Instantaneous Frequency (IF) in three-phase systems. The paper first recalls the conventional frequency-domain analysis based on the Fourier transform as well as the definition of IF
Externí odkaz:
https://doaj.org/article/c834b0e7e4cc4cff948bc6b4becccfd5
Publikováno v:
AIMS Mathematics, Vol 6, Iss 2, Pp 1296-1308 (2021)
We employ the multi-wavelet Galerkin method for the numerical solution of the telegraph equation with initial and boundary conditions. The problem becomes a sparse system of linear equations and the GMRES method is used to solve this system. The adva
Externí odkaz:
https://doaj.org/article/5ca9569e1d864b289d352485e1d0e5e7
Autor:
Hassan Khan, Poom Kumam, Hajira, Qasim Khan, Fairouz Tchier, Kanokwan Sitthithakerngkiet, Ioannis Dassios
Publikováno v:
Frontiers in Physics, Vol 10 (2022)
In this article, a new modification of the Adomian decomposition method is performed for the solution fractional order convection–diffusion equation with variable coefficient and initial–boundary conditions. The solutions of the suggested problem
Externí odkaz:
https://doaj.org/article/7f4081bf0e7f46f997e8d4f8191b1262
Publikováno v:
Journal of Mathematics, Vol 2022 (2022)
This paper deals with the numerical solution of the Abel integral equation based on Müntz–Legendre wavelets. To this end, the Abel integral operator is represented by Müntz–Legendre wavelets as an operational matrix. To find this matrix, we use
Externí odkaz:
https://doaj.org/article/419f6a99de614f4d8c1654356fa4a2d7
Publikováno v:
Mathematics, Vol 11, Iss 2, p 447 (2023)
Our interest in this paper is to study and develop oscillation conditions for solutions of a class of neutral differential equations with damping terms. New oscillation criteria were obtained by using Riccati transforms. The criteria we obtained impr
Externí odkaz:
https://doaj.org/article/a43644d1baf245a98fec8a0e40dc0f85
Publikováno v:
Axioms, Vol 11, Iss 10, p 574 (2022)
The development of numeric-analytic solutions and the construction of fractional-order mathematical models for practical issues are of the greatest importance in a variety of applied mathematics, physics, and engineering problems. The Laplace residua
Externí odkaz:
https://doaj.org/article/03462b363e6747f3b7b1841e687fa769