Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Gongsheng Li"'
Publikováno v:
Sensors, Vol 24, Iss 12, p 3880 (2024)
Low-frequency distributed acoustic sensing (LF-DAS) is a diagnostic tool for hydraulic fracture propagation with far-field monitoring using fiber optic sensors. LF-DAS senses strain rate variation caused by stress field change due to fracture propaga
Externí odkaz:
https://doaj.org/article/69585964f7e744e0a5f6686f097038be
Unique identification of fractional orders in the fractional mobile–immobile solute transport system
Publikováno v:
Applied Mathematics in Science and Engineering, Vol 31, Iss 1 (2023)
This article deals with a fractional mobile–immobile solute transport system in porous media and an inverse problem of identifying the fractional orders by the additional measurements at one interior point. The unique existence of a solution to the
Externí odkaz:
https://doaj.org/article/b7c6e5fbc181496c8715029365496412
Publikováno v:
Advances in Mathematical Physics, Vol 2017 (2017)
This article deals with an inverse problem of determining a linear source term in the multidimensional diffusion equation using the variational adjoint method. A variational identity connecting the known data with the unknown is established based on
Externí odkaz:
https://doaj.org/article/d1d5326dc5c34f20962f9bc808d44759
Publikováno v:
Advances in Mathematical Physics, Vol 2017 (2017)
The fractional order in a fractional diffusion model is a key parameter which characterizes the anomalous diffusion behaviors. This paper deals with an inverse problem of determining the multiple fractional orders in the multiterm time-fractional dif
Externí odkaz:
https://doaj.org/article/05ae41381c444225b9c8054f1cbf3aef
Publikováno v:
International Journal of Mathematics and Mathematical Sciences, Vol 2004, Iss 14, Pp 741-753 (2004)
This paper deals with an inverse problem of determining a nonlinear source term in a quasilinear diffusion equation with overposed final observations. Applying integral identity methods, data compatibilities are deduced by which the inverse source pr
Externí odkaz:
https://doaj.org/article/33387ead3d7d4946805dbb650a3fe1e6
Publikováno v:
Abstract and Applied Analysis, Vol 2014 (2014)
This paper deals with an inverse problem of determining the space-dependent source coefficient in one-dimensional advection-dispersion equation with Robin’s boundary condition. Data compatibility for the inverse problem is analyzed by which an admi
Externí odkaz:
https://doaj.org/article/ae200ca0f862412f9073e07ab813d26e
Publikováno v:
Journal of Applied Mathematics, Vol 2012 (2012)
This paper deals with data reconstruction problem for a real disturbed soil-column experiment using an optimal perturbation regularization algorithm. A purpose of doing the experiment is to simulate and study transport behaviors of Ca2+, Na+, Mg2+, K
Externí odkaz:
https://doaj.org/article/4cf1c8d210c643ec91400079505dad7e
Publikováno v:
Journal of Applied Mathematics, Vol 2012 (2012)
This paper deals with an inverse problem for identifying multiparameters in 1D space fractional advection dispersion equation (FADE) on a finite domain with final observations. The parameters to be identified are the fractional order, the diffusion c
Externí odkaz:
https://doaj.org/article/0ccac993f337427da332cabfa9ede34a
Publikováno v:
Fractional Calculus and Applied Analysis.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::843c85000d68ed852ab42eeb536cd794
https://doi.org/10.1007/s13540-023-00170-3
https://doi.org/10.1007/s13540-023-00170-3
Autor:
Yi Zhang, Gongsheng Li
Publikováno v:
WSEAS TRANSACTIONS ON MATHEMATICS. 21:113-118
A simplified linear time-fractional SEIR epidemic system is set forth, and an inverse problem of determining the fractional order is discussed by using the measurement at one given time. By the Laplace transform the solution to the forward problem is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c48822f92d6b852d55a72d27cb0c7f58
https://doi.org/10.37394/23206.2022.21.17
https://doi.org/10.37394/23206.2022.21.17