Results 21 to 30 of about 5,749 (99)

Evaluation of artificial neural network, neuro-fuzzy and multivariate regression modelling for prediction of concrete compressive strength via point load test [PDF]

open access: yesمجله مدل سازی در مهندسی, 2020
Nowadays, the determination of in place concrete strength is more considered. The necessity of in situ testing can be expressed in a variety of applications such as structural change or development, quality control, strength evaluation and concrete ...
meysam effati   +2 more
doaj   +1 more source

Investigation of effective parameters on hydrodynamics of rotating packed bed using computational fluid dynamics [PDF]

open access: yesمجله مدل سازی در مهندسی, 2019
Rotating Packed Beds (RPBs) are used in many processes of chemical engineering, such as distillation, absorption, production of nanoparticles, natural gas sweetening, and etc.
Ali Reza Miroliaei, Shamsedin Ghourejili
doaj   +1 more source

Multi-Objective Closed-loop Supply Chain Considering Vehicles and Solving by New Approaches in Metaheuristics [PDF]

open access: yesمجله مدل سازی در مهندسی, 2019
Recently, concerns have been raised about the environmental and social impacts of commercial activities. Also, most papers on the design of the supply chain network, focus on economic performance.
Anita Abdi, Mostafa Hajiaghaei-Keshteli
doaj   +1 more source

Study of the effect of friction rotational damper, viscoelastic and TADAS on the structures seismic behaviour [PDF]

open access: yesمجله مدل سازی در مهندسی, 2019
Considering the importance of controlling the behavior of structures against lateral loads such as earthquakes, the use of dampers in structures is needed to control and improve the structural responses.
Mansour Ghalehnovi   +2 more
doaj   +1 more source

Modeling the Influence of a Steady Magnetic Field on Action Potential Generation in Neurons [PDF]

open access: yesمجله مدل سازی در مهندسی, 2021
In spite of increasing public concern about the impact of magnetic fields on health, use of magnetic devices in the practice of clinical medicine is on the rise.
Shahriar Jamasb, Ali Elyasi
doaj   +1 more source

Comprehensive Modeling of Transient Analysis of Grounding System under Lightning Surges [PDF]

open access: yesمجله مدل سازی در مهندسی, 2019
During lightning discharge, the transient performance of grounding system is influenced by the time-dependent nonlinear behavior related to soil ionization and frequency dependence of soil electrical parameters related to high-frequency spectrum of ...
Jalil Ghayur safar, Reza Shariatinasab
doaj   +1 more source

Modeling and predicting of the flash point of chemical compounds [PDF]

open access: yesمجله مدل سازی در مهندسی, 2021
Flash point is one of the most important flammability characteristics of chemical compounds. In the present study, we developed a neural network model for accurate prediction of the flash point of chemical compounds, using the number of hydrogen and ...
hamidreza mirshahvalad   +3 more
doaj   +1 more source

Observed and Un-Observed Covariate Effects on Baseline Hazard Rate - Case study: Jajarm Bauxite Mine [PDF]

open access: yesمجله مدل سازی در مهندسی, 2019
In the mining industry, different departments undertake the control task of a system. The failure data from different sections in a variety of formats are collected in different times and operation conditions and these heterogeneity problems will result ...
Reza Barabadi   +3 more
doaj   +1 more source

Frequency Modeling of Earthquake Occurrences by utilizing the Fourier Transform Method [PDF]

open access: yesمجله مدل سازی در مهندسی, 2021
Finding a suitable method for the accurate and reliable estimation of earthquake return periods is an important challenge for research in the field of earthquake engineering.
Seyyed Ghasem Rostami   +1 more
doaj   +1 more source

Budget impact of the incorporation of rituximab for the treatment of chronic lymphocytic leukemia in Brazil [PDF]

open access: yes, 2022
Objective: This study aims to develop a budget impact analysis (BIA) model related to the incorpo-ration of rituximab in the first-line treatment of chronic lymphocytic leukemia (CLL) in the Unified Health System (SUS).
Juliana Alvares Teodoro   +1 more
core   +1 more source

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