Application of artificial neural networks to predict the COVID-19 outbreak

HR Niazkar, M Niazkar - Global Health Research and Policy, 2020 - Springer
Background Millions of people have been infected worldwide in the COVID-19 pandemic. In
this study, we aim to propose fourteen prediction models based on artificial neural networks …

Applications of innovative polygonal trend analyses to precipitation series of Eastern Black Sea Basin, Turkey

T Hırca, G Eryılmaz Türkkan, M Niazkar - Theoretical and Applied …, 2022 - Springer
Examining historical variations of hydroclimatic variables can provide crucial information
about changes of water resources in a water cycle. In this study, the Mann–Kendall (MK) and …

Artificial neural networks for prediction of COVID‐19 in India by using backpropagation

B Manohar, R Das - Expert Systems, 2023 - Wiley Online Library
The COVID‐19 pandemic has affected thousands of people around the world. In this study,
we used artificial neural network (ANN) models to forecast the COVID‐19 outbreak for …

Assessment of three mathematical prediction models for forecasting the covid‐19 outbreak in Iran and Turkey

M Niazkar, G Eryılmaz Türkkan… - … methods in medicine, 2020 - Wiley Online Library
COVID‐19 pandemic has become a concern of every nation, and it is crucial to apply an
estimation model with a favorably‐high accuracy to provide an accurate perspective of the …

Review of new flow friction equations: Constructing Colebrook explicit correlations accurately

P Praks, D Brkic - arXiv preprint arXiv:2005.07021, 2020 - arxiv.org
Using only a limited number of computationally expensive functions, we show a way how to
construct accurate and computationally efficient approximations of the Colebrook equation …

Analysis of water distribution networks using MATLAB and Excel spreadsheet: h‐based methods

M Niazkar, SH Afzali - Computer Applications in Engineering …, 2017 - Wiley Online Library
The need for computer application for solving water distribution networks (WDNs) is
inevitable for both educational and practical purposes. In this paper, three h‐based methods …

Application of new hybrid optimization technique for parameter estimation of new improved version of Muskingum model

M Niazkar, SH Afzali - Water resources management, 2016 - Springer
The Muskingum method is one of the most utilized lumped flood routing model in which
calibration of its parameters provides an active area of research in water resources …

Revisiting the estimation of Colebrook friction factor: a comparison between artificial intelligence models and CW based explicit equations

M Niazkar - KSCE Journal of Civil Engineering, 2019 - Springer
Abstract Application of Colebrook-White (CW) relation for calculating Darcy-Weisbach (DW)
friction factor has been widely accepted in literature. However, its implicit formation made it …

Parameter estimation of an improved nonlinear Muskingum model using a new hybrid method

M Niazkar, SH Afzali - Hydrology Research, 2017 - iwaponline.com
Although various techniques have been proposed to estimate the parameters of different
versions of the Muskingum model, more rigorous techniques and models are still required to …

New nonlinear variable-parameter Muskingum models

M Niazkar, SH Afzali - KSCE Journal of Civil Engineering, 2017 - Springer
The Muskingum model has been widely utilized for flood routing by water resources
engineers for decades. Since the relation between channel storage and weighted …