Results 1 to 10 of about 216,696 (249)

2D Numerical Modeling of Dam Break flow in the Presence of Obstacles [PDF]

open access: yesمحیط زیست و مهندسی آب, 2021
In this research, a numerical model was developed to simulate dam break flow in the presence of obstacles. The proposed model approximated the equations of moderately shallow water averaged at the finite volume method by implicit semi-Lagrangian method ...
Hamed Sarveram, Mehdi Shahrokhi
doaj   +1 more source

Study on crack propagation by eigenvalue/eigenvector of atomic elastic stiffness: Interaction with Ni/Co/Zr/Mo obstacles in Fe

open access: yesNihon Kikai Gakkai ronbunshu, 2023
Molecular dynamics simulations are implemented on the interaction between mode I crack in Fe single crystal and cylindrical Ni/Co/Zr/Mo obstacles, substituting Fe atoms with those elements in a periodic slab cell.
Ryo ASAI, Kisaragi YASHIRO, Keishi NAITO
doaj   +1 more source

On Obstacle Numbers [PDF]

open access: yesThe Electronic Journal of Combinatorics, 2015
The obstacle number is a new graph parameter introduced by Alpert, Koch, and Laison (2010). Mukkamala et al. (2012) show that there exist graphs with $n$ vertices having obstacle number in $\Omega(n/\log n)$. In this note, we up this lower bound to $\Omega(n/(\log\log n)^2)$. Our proof makes use of an upper bound of Mukkamala et al.
Vida Dujmovic, Pat Morin
openaire   +3 more sources

Research on the influence of closed roadway baffle on propagation of explosive shock wave

open access: yesMeikuang Anquan, 2023
In order to research the impact of baffle location on the shockwave propagation characteristics in a fork road of closed roadway, using ANSYS to simulate the two-dimensional explosion flow field, then comparing the baffle in the different situations and
BIAN Zhenhua, LI Xiaomeng
doaj   +1 more source

Menantang Tembok Patriarki: Aktivis Perempuan LRC KJHAM dan Upaya Advokasi Kasus KDRT di Kota Semarang

open access: yesBrawijaya Journal of Social Science, 2022
Domestic violence is one among common violence in Indonesia. It has been a critical problem that women activists are striving for solutions. However, in finding ways out of this problem, they frequently face challenges, both structurally and culturally ...
Alya Meuthia Zahwa, Wida Ayu Puspitosari
doaj   +1 more source

KINEMATIC ANALYSIS OF TRAPEZOIDAL SUSPENSION [PDF]

open access: yesScientific Journal of Silesian University of Technology. Series Transport, 2019
This article deals with the kinematic analysis of trapezoidal suspension. Specifically, it focuses on the behaviour of the chassis when obstacle crossing was monitored.
Adrián HAJDUČÍK   +3 more
doaj   +1 more source

“It's the First Barrier” – Lack of Common Language a Major Obstacle When Accessing/Providing Healthcare Services Across Europe

open access: yesFrontiers in Sociology, 2020
International migration is shaping and changing urban areas as well as impacting on healthcare access and provision in Europe. To investigate how residents of superdiverse neighborhoods put together their healthcare, we conducted qualitative interviews ...
Florence Samkange-Zeeb   +6 more
doaj   +1 more source

A Passive Micromixer with Koch Snowflakes Fractal Obstacle in Microchannel [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2022
The passive micromixer is one of the essential devices that can be integrated into the Lab on Chip (LoC) system. Micromixer is needed to increase mixing efficiency.
L. Hasanah   +6 more
doaj   +1 more source

THE GLOBAL CRISIS AND RETAILERS:THE OBSTACLES [PDF]

open access: yesAnalele Universităţii Constantin Brâncuşi din Târgu Jiu : Seria Economie, 2023
In this study, we examine whether retailers in Eastern Europe and Central Asia found corruption, courts, tax administration, tax rates, political instability, and business licensing/permits as an obstacle to their firm.
HALIL D. KAYA
doaj  

Modified particle swarm algorithm for locating leakage source on natural gas pipeline in obstructed space

open access: yesYou-qi chuyun, 2022
In order to guide the search robots to locate quickly and accurately the leakage source on natural gas pipeline in the complex obstructed space, a Modified Guaranteed Convergence Particle Swarm Optimization (MGCPSO) algorithm integrating the guaranteed ...
Ji WANG, Zeming DU, Wei LU
doaj   +1 more source

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