Zobrazeno 1 - 10
of 198
pro vyhledávání: '"M. Vaghefi"'
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 13, Iss 1, Pp 245-260 (2020)
In this paper, the effect of increase collar thickness has been investigated by considering other parameters affecting the flow pattern around the oblong bridge pier located at 90˚ from the 180˚ bend constant. Data acquisition was performed using t
Externí odkaz:
https://doaj.org/article/7fbdc5475ea9404a9a2b866f332a7e82
Autor:
A. M. Behroozi, M. Vaghefi
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 13, Iss 6, Pp 1759-1768 (2020)
A mesh-free numerical model based on the Radial Basis Function Differential Quadrature is introduced to simulate the hydrodynamic response of the dam-reservoirs-foundation system affected by earthquake acceleration. The governing equation of the hydr
Externí odkaz:
https://doaj.org/article/2d692995598749aba3547c6fe9a59bad
Publikováno v:
مهندسی عمران شریف, Vol 35.2, Iss 2.1, Pp 27-37 (2019)
Bridge piers are highly susceptible and sensitive to scouring effects, so carefu
Externí odkaz:
https://doaj.org/article/75ff67badf0040529a64944d77e2b62c
Publikováno v:
مهندسی عمران شریف, Vol 35.2, Iss 2.1, Pp 15-25 (2019)
In order to calculate the accurate prediction of fluid pressure in the reservoir a
Externí odkaz:
https://doaj.org/article/98e95e0dac134538b1c688e161448e16
Autor:
Ch. Abdi Chooplou, M. Vaghefi
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 12, Iss 5, Pp 1417-1428 (2019)
Shear stress is a parameter of high significance. Through knowledge of this parameter, assessment of scour or sedimentations at different points of bed is made viable. Therefore, this paper investigated alterations in shear stress along the bend, spe
Externí odkaz:
https://doaj.org/article/0f8c3fec5dba44e2b7df2d686980e4b3
Autor:
F. Jamshidi, M. Vaghefi
Publikováno v:
Journal of Electrical and Computer Engineering Innovations, Vol 7, Iss 1, Pp 69-82 (2018)
Background and Objectives: A robot arm is a multi-input multi-output and non-linear system that has many industrial applications. Parameter uncertainties and external disturbances attenuate the performance of this system and a controller design is he
Externí odkaz:
https://doaj.org/article/64a8bdbee6c14fddafad4c1bbdb1c511
Autor:
M. Vaghefi, B. Mobaraki
Publikováno v:
مهندسی عمران شریف, Vol 34.2, Iss 1.2, Pp 133-141 (2018)
This paper, using hydro code -LS-DYNA, investigates and observes the dynamic respon
Externí odkaz:
https://doaj.org/article/98ab1315336a42edb432568b4adac8a8
Publikováno v:
مهندسی عمران شریف, Vol 33.2, Iss 4.1, Pp 61-70 (2018)
One of the issues in river engineering is bridge protection in a way that bridges suf
Externí odkaz:
https://doaj.org/article/bee93913e1bf4792810fee1d68fde270
Publikováno v:
The Journal of Engineering Research, Vol 13, Iss 1, Pp 22-32 (2016)
In this paper, the bed topography of a channel at a 90-degree bend was studied at the T-shaped spur dike installed at the middle of the outer bank. Numerical analyses were performed with the Sediment Simulation in Intakes with Multiblock Option (SSII
Externí odkaz:
https://doaj.org/article/a3e311e119c248efac7cd9294f1232bb
Autor:
M. Vaghefi
Publikováno v:
مهندسی منابع آب, Vol 8, Iss 24, Pp 15-24 (2015)
The main purpose of this study is finding a numerical solution of the modified Burger's equation with appropriate initial and boundary conditions, by using finite difference method for dimensionless state, and comparing the results with the other res
Externí odkaz:
https://doaj.org/article/7789bc8ce43542488a28b260b68a16d9