Система будет остановлена для регулярного обслуживания. Пожалуйста, сохраните рабочие данные и выйдите из системы.
Browsing Mathematics by Author "fcff85ac-28bc-460c-b715-9c392976e60d"
-
Ghazy, Mohammed; Elgindi, Mohamed B.; Wei, Dongming
(Alexandria Engineering Journal, 2018-11-22)
In this paper, shapes of nonlinear blood vessels, surrounded by nonlinear soft tissues,and buckled due to radial pressure are solved for analytically and numerically. The blood flow ratesthrough the bucked shapes are then ...
-
Wei, Dongming; Al-Ashhab, Samer
(Elsevier, 2019-04-20)
The reduced problem of the Navier–Stokes and the continuity equations, in two-dimensional Cartesian coordinates with Eulerian description, for incompressible non-Newtonian fluids, is considered. The Ladyzhenskaya model, ...
-
Razeghiyadaki, Amin; Wei, Dongming; Perveen, Asma; Zhang, Dichuan
(MDPI AG, 2021-06-10)
In the polymer sheet processing industry, the primary objective when designing a coat-hanger die is to achieve a uniform velocity distribution at the exit of the extrusion die outlet. This velocity distribution depends on ...
-
Amangeldi, Medeu; Wei, Dongming; Perveen, Asma; Zhang, Dichuan
(Processes, 2020-10)
Flow distribution channels in extrusion dies are typically designed to assure uniform fluid velocity, pressure and temperature in the outlets. To ensure this uniformity, it is desirable to have the fluid melt to reach a ...
-
Razeghiyadaki, Amin; Zhang, Dichuan; Wei, Dongming; Perveen, Asma
(Processes, 2020-08)
A coupled surface response optimization method with a three-dimensional finite volume method is adopted in this study to identify five independent geometric variables of the die interior that provides a design with the ...
-
Wei, Dongming; Shu, Yupeng
(Nazarbayev University School of Sciences and Humanities, 2019-09)
We present some variants of Burgers-type equations for incompressible and isothermal planar flow of viscous non-Newtonian fluids based on the Cross, the Carreau and the power-law rheology models, and on a symmetry assumption ...