Zobrazeno 1 - 10
of 5 736
pro vyhledávání: '"Finite difference scheme"'
Publikováno v:
AIMS Mathematics, Vol 9, Iss 10, Pp 27848-27870 (2024)
In this work, we initially construct an implicit Euler difference scheme for a two-dimensional heat problem, incorporating both local and nonlocal boundary conditions. Subsequently, we harness the power of the discrete Fourier transform and develop a
Externí odkaz:
https://doaj.org/article/c50623976f064710bee2800b642883a3
Autor:
S. Shallu, V.K. Kukreja
Publikováno v:
Iranian Journal of Numerical Analysis and Optimization, Vol 14, Iss Issue 3, Pp 736-761 (2024)
An improvised collocation scheme is applied for the numerical treatment of the nonlinear generalized Burgers–Fisher’s (gBF) equation using splines of degree three. In the proposed methodology, some subsequent rectifications are done in the spline
Externí odkaz:
https://doaj.org/article/901f484e2dc145eeb98d982d605da287
Autor:
Ihtesham Jadoon, Muhammad Asif Zahoor Raja, Saeed Ehsan Awan, Sayyar Ali Shah, Ata ur Rehman, Rizwan Akhtar, Zeeshan Ali Safdar Jadoon, Aihua Yuan
Publikováno v:
Alexandria Engineering Journal, Vol 109, Iss , Pp 443-465 (2024)
This research implements an evolutionary optimized finite differences scheme (FDS) for nonlinear electrohydrodynamics ion drag flow dynamics in a cylindrical conduit (EHD-IDFCC). In the scheme, finite differences are exploited to discretize governing
Externí odkaz:
https://doaj.org/article/de0a16e540284876b6f13733788b98a5
Publikováno v:
Mathematics and Modeling in Finance, Vol 4, Iss 1, Pp 147-157 (2024)
This study compares the performance of the classic Black-Scholes model and the generalized Liu and Young model in pricing European options and calculating derivatives sensitivities in high volatile illiquid markets. The generalized Liu and Young mode
Externí odkaz:
https://doaj.org/article/8b4f111079ed4e3184de54c2d29380b7
Autor:
Kiran Batool, Fazal Haq, Saima Zainab, Saba Anwar, Jihad Younis, Arshad Hussain, Anoud Saud Alshammari, Zeinhom M. El-Bahy
Publikováno v:
Case Studies in Thermal Engineering, Vol 61, Iss , Pp 104903- (2024)
Entropy generation in nanofluid flows is a critical parameter that influences the performance, efficiency, and sustainability of thermal systems. Understanding and optimizing entropy creation can lead to noteworthy advancements in numerous engineerin
Externí odkaz:
https://doaj.org/article/19c7b435641b4b8384857b0206c23e71
Publikováno v:
气体物理, Vol 9, Iss 3, Pp 66-76 (2024)
The difference schemes constructed on the basis of one-dimensional uniform grids must be extended to non-uniform or curvilinear grids in practical applications, and the coordinate transformation process introduces geometry-induced errors. The accurac
Externí odkaz:
https://doaj.org/article/43229239dca24edfbf953285d830311b
Publikováno v:
Electronic Research Archive, Vol 32, Iss 4, Pp 2478-2490 (2024)
Nonstandard numerical approximation for the study of a competition model for two species that experience nonlocal diffusion, or dispersion, allows for faithful representation of the theoretical solution to the system. Such a scheme may preserve posit
Externí odkaz:
https://doaj.org/article/3c3de240a3e24ba7b4c6d18fd43d2289
Publikováno v:
Healthcare Analytics, Vol 5, Iss , Pp 100344- (2024)
Listeriosis is a food-borne disease that mainly affects pregnant women and newborns. We propose and analyze a deterministic model of Listeriosis by considering three groups of individuals: newborns, pregnant women, and others. Mathematical analysis o
Externí odkaz:
https://doaj.org/article/592d9a90846e459eba551dacd26c2153
Publikováno v:
Partial Differential Equations in Applied Mathematics, Vol 10, Iss , Pp 100717- (2024)
The numerical solution of time fractional parabolic differential equations with singular perturbations and delay is the subject of this article. An arbitrarily small perturbation parameter ɛ(0
Externí odkaz:
https://doaj.org/article/17732382b2cf4c008222fd25583c488b
Publikováno v:
Partial Differential Equations in Applied Mathematics, Vol 10, Iss , Pp 100702- (2024)
In this work, Caputo fractional model for co-dynamics of two-strains (Alpha and Delta variants) of SARS-CoV-2 and tuberculosis (TB) is formulated. We investigates the basic mathematical analysis, existence of unique solution, stability analysis, sens
Externí odkaz:
https://doaj.org/article/593b2e5e378240189176857c60050a4d