Zobrazeno 1 - 10
of 977
pro vyhledávání: '"M. Razzaghi"'
Autor:
M.H. Heydari, M. Razzaghi
Publikováno v:
Alexandria Engineering Journal, Vol 107, Iss , Pp 73-86 (2024)
In this work, the Caputo-type Hadamard fractional derivative is utilized to introduce a coupled system of time fractional Klein–Gordon-Schrödinger equations. The classical and shifted Jacobi polynomials are simultaneously applied to make a numeric
Externí odkaz:
https://doaj.org/article/d727073bdae1449f8d2a1e4906b33b12
Autor:
A. Motaharinia, J.W. Drelich, J. Goldman, H.R. Bakhsheshi-Rad, S. Sharif, A.F. Ismail, M. Razzaghi
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 8316-8344 (2024)
Over the last ten years, magnesium (Mg)-based syntactic foams (SFs) have gained significant attention and their popularity continues to grow. This is because they possess unique properties such as high mechanical strength and are lightweight, making
Externí odkaz:
https://doaj.org/article/d6b9a2b18f514dc38be7119776d227b7
Autor:
M.H. Heydari, M. Razzaghi
Publikováno v:
Results in Applied Mathematics, Vol 23, Iss , Pp 100481- (2024)
In this study, the ψ-Caputo fractional derivative (as a generalization of the classical Caputo derivative where the fractional derivative is defined with respect to the function ψ) is considered to introduce a class of multi-term time fractional 2D
Externí odkaz:
https://doaj.org/article/2a5d5f83c25843308df017e32d69c22b
Autor:
M.H. Heydari, M. Razzaghi
Publikováno v:
Results in Applied Mathematics, Vol 23, Iss , Pp 100466- (2024)
In this work, the ψ-Caputo fractional derivative, as a generalization of the classical Caputo fractional derivative in which the fractional derivative of a sufficiently differentiable function is defined with respect to another strictly increasing f
Externí odkaz:
https://doaj.org/article/7d52df754e7144d5982fe43ed0a83254
Autor:
S. Abazari, A. Shamsipur, H.R. Bakhsheshi-Rad, J.W. Drelich, J. Goldman, S. Sharif, A.F. Ismail, M. Razzaghi
Publikováno v:
Journal of Magnesium and Alloys, Vol 11, Iss 8, Pp 2655-2687 (2023)
The addition of nanoscale additions to magnesium (Mg) based alloys can boost mechanical characteristics without noticeably decreasing ductility. Since Mg is the lightest structural material, the Mg-based nanocomposites (NCs) with improved mechanical
Externí odkaz:
https://doaj.org/article/c12083674373454c8231fcb35af06514
Publikováno v:
Results in Physics, Vol 55, Iss , Pp 107161- (2023)
In this study, multi-term time fractional 2D telegraph type equations, as a new category of fractional differential equations, are introduced. The orthonormal Chelyshkov polynomials are used as basis functions to generate a collocation method for suc
Externí odkaz:
https://doaj.org/article/3823a59cefad4ec0b082b70923a769eb
Publikováno v:
The Scientific World Journal, Vol 2014 (2014)
A new numerical method for solving the nonlinear mixed Volterra-Fredholm integral equations is presented. This method is based upon hybrid functions approximation. The properties of hybrid functions consisting of block-pulse functions and Bernoulli p
Externí odkaz:
https://doaj.org/article/a39e113af5c84ee4b2bba3ae75294942
Publikováno v:
علوم و تکنولوژی پلیمر, Vol 26, Iss 5, Pp 435-427 (2014)
Aerogels consist of low density open-cell foams with large void spaces of nanometer pore size and they are composed of sparsely semi-colloidal nanometer sized particles forming open porous structures. The high porosity and nanometer pores and particl
Externí odkaz:
https://doaj.org/article/cb27fdb361d9433d932f94555537e7d0
Publikováno v:
Computers & Mathematics with Applications. 125:176-192
Publikováno v:
International Journal of Computer Mathematics. 100:479-496