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Flow-3D CFD model of bifurcated open channel flow: setup and validation

Adnan, Nur Adani and Ibrahim, Izihan and Ibrahim, Saerahany Legori (2021) Flow-3D CFD model of bifurcated open channel flow: setup and validation. In: 9th International Symposium on Environmental Hydraulics, 19th-22 July 2021, Seoul, Korea. (Unpublished)

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Bifurcation is a morphological feature present in most of fluvial systems; where a river splits into two channels, each bearing a portion of the flow and sediments. Extensive theoretical studies of river bifurcations were performed to understand the nature of flow patterns at such diversions. Nevertheless, the complexity of the flow structure in the bifurcated channel has resulted in various constraints on physical experimentation, so computational modelling is required to investigate the phenomenon. The advantages of computational modelling compared with experimental research (e.g. simple variable control, reduced cost, optimize design condition etc.) are widely known. The great advancement of computer technologies and the exponential increase in power, memory storage and affordability of high-speed machines in the early 20th century led to evolution and wide application of numerical fluid flow simulations, generally referred to as Computational Fluid Dynamics {CFD). In this study, the open-channel flume with a lateral channel established by Momplot et al (2017) is modelled in Flow-3D. The original investigation on divided flow of equal widths as simulated in ANSYS Fluent and validated with velocity measurements.

Item Type: Conference or Workshop Item (Plenary Papers)
Additional Information: The 9th ISER is held in a format of the hybrid conference, allowing for the attendees to join the symposium in person at the venue or online everywhere.
Uncontrolled Keywords: Bifurcation, Open Channel Flow, CFD, Numerical modelling, Flow-3D, Ansys Fluent
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA170 Environmental engineering. Sustainable engineering
T Technology > TA Engineering (General). Civil engineering (General) > TA329 Engineering mathematics. Engineering analysis
T Technology > TC Hydraulic engineering. Ocean engineering > TC401 River, lake, and water-supply engineering (General)
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering
Kulliyyah of Engineering > Department of Civil Engineering
Depositing User: Ir. Izihan Ibrahim
Date Deposited: 26 Aug 2021 15:53
Last Modified: 26 Aug 2021 15:56
URI: http://irep.iium.edu.my/id/eprint/91252

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