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Menampilkan 1–4 dari 4 artikel
Study of The Effect Stuart and Prandtl Numbers on Diamond Nano Fluid Flowing Through Cylindrical Surface
Norasia, Yolanda
; UIN Walisongo Semarang
; Tafrikan, Mohamad
; UIN Walisongo Semarang
; Ghani, Mohammad
; Universitas Airlangga Surabaya
; Asmianto, Asmianto
; Universitas Negeri Malang
; Anggriani, Indira
; Institut Teknologi Kalimantan
Telematika
Vol 16
, No 1
(2023)
Fluid flow problems can be constructed using applied mathematical modeling and solved numerically using computational fluid dynamics (CFD). Nondimensional variables, stream functions, and similarity variables are used to simplify the governing equations from Newton's law, and thermodynamics law. These equations consist of continuity equations, momentum equations, and energy. Backward Euler method numerically solves the equations. The results show that the smaller the influence of the given Stuar...
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SEIHR Model on Spread of COVID-19 and Its Simulation
Rois, Muhammad Abdurrahman
; UIN Walisongo Semarang
; Tafrikan, Mohamad
; Universitas Islam Negeri Walisongo
; Norasia, Yolanda
; Universitas Islam Negeri Walisongo
; Anggriani, Indira
; Institut Teknologi Kalimantan
; Ghani, Mohammad
; Universitas Airlangga
Telematika
Vol 15
, No 2
(2022)
The modified SEIR model of the COVID-19 spread is divided into five compartments: susceptible, exposed, infected, and recovered. Based on the results, two equilibrium points were obtained: the disease-free equilibrium point and the endemic equilibrium point. The existence of an equilibrium point depends on the value of the basic reproduction number R0, as well as on stability. The endemic equilibrium point exists if it is satisfied R0>1. Then, the disease-free equilibrium point is said to be...
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Numerical Simulation of Cholera Epidemic Model with Quarantine
Trisilowati, Trisilowati
; UIN Walisongo Semarang
; Andari, Ari
; Brawijaya University
; Rois, Muhammad Abdurrahman
; Brawijaya University
; Muzaqi, Mohamad Hasyim
; Brawijaya University
Telematika
Vol 14
, No 1
(2021)
Cholera is an acute diarrheal disease that spread quickly in an unsanitary environment, and one of its control measures is employing quarantine. Therefore, this research aims to construct a model for the spread of SIRQB-type (susceptibles, infective, recovered, quarantine, bacteria) infectious diseases through a nonlinear differential equation approach. Furthermore, the equilibrium points condition and their stability were investigated using the standard dynamical analysis method. The results sh...
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Penyelesaian Integer Knapsack Problem Menggunakan Algoritma Greedy, Dynamic Programming, Brute Force dan Genetic
Rois, Muhammad Abdurrahman
; UIN Walisongo Semarang
; Maslihah, Siti
; UIN Walisongo Semarang
; Cahyono, Budi
; UIN Walisongo Semarang
; A person
Telematika
Vol 12
, No 2
(2019)
Integer knapsack problem adalah masalah yang ada pada riset operasi di bab program bilangan bulat, dimana bertujuan untuk memaksimalkan total nilai barang ke tempat yang diinginkan dengan memiliki batasan tertentu. Keputusannya ada 2 yaitu 1 (diambil) dan 0 (tidak diambil). Data yang digunakan untuk input merupakan data hasil wawancara dengan J&T Express drop point Ngaliyan, dan penelitian ini terbagi menjadi beberapa penjelasan yaitu (1) Integer knapsack problem, (2) Penyelesaian integer kn...
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