Engineering Optimization
Presentation a Multi-objective Optimization Model for Resource-Constrained Project Scheduling Regarding Financial Costs, Time Delays and the Reliability Function

Saeideh Naderi; Mohsen Vaez-Ghasemi; farzad movahedi sobhani

Articles in Press, Accepted Manuscript, Available Online from 06 March 2024

https://doi.org/10.22105/riej.2023.377225.1356

Abstract
  The Resource-Constrained Project Scheduling Problem (RCPSP) is a general one in scheduling which possesses various applications in production, production scheduling, project managing and other criteria. This issue has been studied since 1960 and is very complicated. In this study, the common presuppositions ...  Read More

Engineering Optimization
New Course in Industrial Engineering Education Curriculum

Prabhakar V Deshpande

Volume 12, Issue 1 , March 2023, , Pages 1-6

https://doi.org/10.22105/riej.2023.370508.1349

Abstract
  Industrial Engineering degree curriculum has many courses - Supply Chain Management, Production Planning and so on. However there is need to introduce new course in Industrial Engineering degree curriculum - Creative Industrial Engineering. This course will be designed by Industrial Engineering teachers ...  Read More

Engineering Optimization
Production Scheduling of Parallel Identical Lines in a Multi-Product Manufacturing System with Genetic Algorithm

Mohammad Hossein Sattarkhan

Volume 12, Issue 1 , March 2023, , Pages 7-20

https://doi.org/10.22105/riej.2022.335596.1306

Abstract
  A multi-product system is one of the different types of manufacturing systems, in which a large number of products are produced that complement each other and have interdependence. These types of systems have recently been widely used in various industries. In some types of multi-product manufacturing ...  Read More

Engineering Optimization
A mathematical model for robust landing and take-off scheduling at an airport considering runway disturbances

Parviz Tohidi Nasab; Mohsen Vaez Ghasemi; Ghasem Tohidi

Volume 12, Issue 1 , March 2023, , Pages 21-42

https://doi.org/10.22105/riej.2022.322212.1275

Abstract
  The Aircraft Scheduling Problem (ASP) refers to allocating each aircraft to the optimal take-off and landing time and the appropriate runway. This problem is the allocation of aircraft to the desired runway so that the total damage due to delays or haste in landing or take-off of all aircraft is minimized. ...  Read More

Engineering Optimization
Fabrication and process parameter optimization of a 3d printer using response surface methodology

Fatin Ishraq; Rumaisa Ahmed; Joytun Nisa Joti

Volume 10, Issue 3 , September 2021, , Pages 238-250

https://doi.org/10.22105/riej.2021.297700.1238

Abstract
  3D printing or additive manufacturing is a technology in which 3D objects are printed by depositing a thin layer of material layer-by-layer until a final product is produced. In this research work, it has been focused on the fabrication of a Portable 3D Printer for the manufacturing of sample parts by ...  Read More

Engineering Optimization
Data envelopment analysis for estimate efficiency and ranking operating rooms: a case study

Sh. Ghasemi; A. Aghsami; M. Rabbani

Volume 10, Issue 1 , March 2021, , Pages 67-86

https://doi.org/10.22105/riej.2021.247705.1143

Abstract
  Data Envelopment Analysis (DEA) is one of the non-parametric methods for evaluating each unit's efficiency. Limited resources in the healthcare system are the main reason for measuring the efficiency of hospitals. Because Operating Rooms (OR) are the most vital part of any hospital, we determine the ...  Read More

Engineering Optimization
Formulation of a customer-oriented product and determination of optimum design parameters using response surface methodology

Sh. T. Alam

Volume 9, Issue 4 , December 2020, , Pages 349-363

https://doi.org/10.22105/riej.2020.256074.1147

Abstract
  The development of a product demands numbers of consideration and customer-based product dominates the present market. This study aims to formulate a customer-oriented product and investigate the optimum design parameters level for this formulation. The customer-oriented product named 'CNC PCB Plotter' ...  Read More

Engineering Optimization
Proposing the use of fine stone cutting factory as recycled materials in concrete and study of design economy and environmental protection

M. Sayadi; M. Ghomi

Volume 9, Issue 3 , September 2020, , Pages 271-285

https://doi.org/10.22105/riej.2020.258012.1150

Abstract
  During the past years, extensive studies have been performed on concretes containing rice husk ash and recycled aggregates, which have shown the advantages of those concretes. Comparison of recycled concrete materials from the aggregates of quarrying plants for use in laboratory mixtures is the difference ...  Read More

Engineering Optimization
Integrated and periodic relief logistics planning for reaction phase in uncertainty condition and model solving by PSO algorithm

B. Ejlali; S. F. Bagheri; Kh. Ghaziyani

Volume 8, Issue 4 , December 2019, , Pages 294-311

https://doi.org/10.22105/riej.2020.219060.1120

Abstract
  Disaster relief logistics is considered to be one of the major activities in disaster management. This research studies response phase of the disaster management cycle. To do so, a multi-purpose integrated model for a three-level relief cycle logistics is provided under an uncertainty condition and on ...  Read More

Engineering Optimization
Study on the effect of different types of crude oils on the rate of corrosion and the properties of some selected ferrous metals

S. Aluvihara; J. K. Premachandra

Volume 8, Issue 1 , April 2019, , Pages 66-76

https://doi.org/10.22105/riej.2019.170944.1078

Abstract
  Crude oil is a predominant natural resource and also it causes the metallic corrosion in the industry of crude oil refining due to some corrosive properties of crude oils. In the current research, it is expected to investigate the effect of such compounds of crude oils on the rate of corrosion of seven ...  Read More

Engineering Optimization
Scheduling Project Crashing Time Using Linear Programming Approach: Case Study

K. Chitra; P. Halder

Volume 6, Issue 4 , December 2017, , Pages 283-292

https://doi.org/10.22105/riej.2017.96572.1010

Abstract
  In today’s competitive environment completing a project within time and budget, is very challenging task for the project managers. This aim of this study is to develop a model that finds a proper trade-off between time and cost to expedite the execution process. Critical path method (CPM) is used ...  Read More

Engineering Optimization
Reviewing on Nanotechnology for Creating Antimicrobial for Chicken Feed: Max-Min Optimization Approach

A. H. Niknamfar; H. Esmaeili

Volume 6, Issue 4 , December 2017, , Pages 312-327

https://doi.org/10.22105/riej.2017.100933.1021

Abstract
  Nanotechnology deals with studies of phenomena and manipulation on elements of matter at the atomic, molecular and macromolecular level (rangefrom1to100nm), where the properties of matter are significantly different from properties at larger scales of dimensions. Nanotechnology is science, engineering, ...  Read More

Engineering Optimization
Determination of Optimum Smoothing Constant of Single Exponential Smoothing Method: A Case Study

C. L. Karmaker

Volume 6, Issue 3 , November 2017, , Pages 184-192

https://doi.org/10.22105/riej.2017.49603

Abstract
  Exponential smoothing is a sophisticated forecasting method that works based on previous forecast plus a percentage of the forecast error. A key issue of this technique is the proper choice of exponential smoothing constant. In order to minimize forecasting errors, choosing an appropriate value of smoothing ...  Read More