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Article . 2021 . Peer-reviewed
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Studi Sensitivitas Aliran Dalam Kanal Terbuka Menggunakan Pendekatan Komputasi Dinamika Fluida Model Turbulen K-Epsilon

Authors: Ayu Dwi Astuti; Yoga Satria Putra; Arie Antasari Kushadiwijayanto;

Studi Sensitivitas Aliran Dalam Kanal Terbuka Menggunakan Pendekatan Komputasi Dinamika Fluida Model Turbulen K-Epsilon

Abstract

Penelitian ini dilakukan untuk menganalisis secara numerik sensitivitas aliran air dalam kanal terbuka menggunakan pendekatan komputasi dinamika fluida dengan bantuan perangkat lunak open source OpenFOAM yang menerapkan model turbulen RANS K-Epsilon. Simulasi aliran air dibangun dengan mengikuti tahapan eksperimen yang telah dilakukan oleh Coleman (1986). Simulasi aliran air berhasil dibangun yang ditunjukkan dengan pola grafik profil kecepatan aliran air yang mendekati data acuan eksperimen Coleman (1986) dan persamaan analitik Logarithmic Law pada ukuran grid irreguler Δx = 0,004 dan Δy = 0,01 m dan nilai k = 0,003. Nilai koefisien korelasi dan error yang didapat masing-masing adalah 0,996 dan 1,01 %. Berdasarkan hasil yang telah diperoleh, disimpulkan bahwa aliran air dalam sebuah kanal terbuka dapat disimulasikan menggunakan pendekatan komputasi dinamika fluida yang menerapkan model turbulen RANS K-Epsilon. Profil distribusi kecepatan air yang dihasilkan dalam simulasi ini telah menunjukkan kesamaan fisis dengan konsep mekanika fluia, yaitu kecepatan di dasar lebih rendah dibandingkan kecapatan di permukaan.Kata kunci: Aliran kanal terbuka, RANS K-Epsilon, OpenFOAM, Komputasi dinamika fluida

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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