Research Paper Industrial Mathematics
Influence of missmatch-induced stress and porosity of materials on technological process

Evgeny L. Pankratov

Volume 11, Issue 2 , June 2022, Pages 92-118

http://dx.doi.org/10.22105/riej.2022.323547.1279

Abstract
  In this paper we introduce an approach to increase density of field-effect transistors framework a C-multiplier. Framework the approach we consider manufacturing the inverter in heterostructure with specific configuration. Several required areas of the heterostructure should be doped by diffusion or ...  Read More

Research Paper Operations Research
A numerical investigation on the springback in air v-bending of aluminum 1050 A

Chokri Ben Salem; Walid Meslameni

Volume 11, Issue 2 , June 2022, Pages 119-133

http://dx.doi.org/10.22105/riej.2022.337535.1308

Abstract
  Bending is a sheet forming operation in excess of the elasticity limit of the material. Currently, in the industry, bending operation is carried out by a successive test method in order to have the geometry of the part, which generates the operation quite long and too expensive. In fact, springback brings ...  Read More

Review Paper Management Sciences
Development of the field of organizational performance during the industry 4.0 period

Buşra Taşkan; Buket Karatop

Volume 11, Issue 2 , June 2022, Pages 134-154

http://dx.doi.org/10.22105/riej.2022.324520.1286

Abstract
  As well as social and cultural life, commercial life has also been affected by the industrial revolutions. Because the structures of enterprises have changed how their performance is evaluated, have indispensably changed. In today's brutally competitive environment, it is of great importance that enterprises ...  Read More

Research Paper Supply chain management
COVID-19 and food supply chain disruptions in Bangladesh: impacts and strategies

Doulotuzzaman Xames; Fowzia Tasnim; Tamanna Islam Mim; Asduzzaman Kiron

Volume 11, Issue 2 , June 2022, Pages 155-164

http://dx.doi.org/10.22105/riej.2022.309459.1253

Abstract
  The COVID-19 pandemic has pushed the world into chaos as it has never seen before. Bangladesh, a country of developing economy, has experienced severe disruptions in almost all sectors. Its food supply chain has become one of the most vulnerable sectors when exposed to those stoppages and uncertainties ...  Read More

Research Paper Supply chain management
Evaluating of effective factors on green supply chain management using statistical methods and SWARA approach

Abbas Nasiri; Ali Mansory; Nabiollah Mohammadi

Volume 11, Issue 2 , June 2022, Pages 165-187

http://dx.doi.org/10.22105/riej.2022.309927.1257

Abstract
  Major purpose of this research is identification and evaluating of effective factors on implementation of Green Supply Chain Management (GSCM) at Fanavaran Petrochemical Company by using statistical methods of Kolmogorov-Smirnov, mean and decision making method by topic SWARA (Stepwise Weight Assessment ...  Read More

Research Paper Mathematical modelling
Blood supply chain network design considering responsiveness and reliability in conditions of uncertainty using the lagrangian relaxation algorithm

Alireza Hamidieh; Ali Johari

Volume 11, Issue 2 , June 2022, Pages 188-204

http://dx.doi.org/10.22105/riej.2022.323321.1277

Abstract
  The growing need for adequate and safe blood and the high costs of health systems have prompted governments to improve the functioning of health systems. One of the most critical parts of a health system is the blood supply chain, which accounts for a significant share of the health system's costs. In ...  Read More

Review Paper Fuzzy optimization
A signed distance for (γ,δ) interval-valued fuzzy numbers to solve multi objective assignment problems with fuzzy parameters

Hamiden Abdelwahed Khalifa

Volume 11, Issue 2 , June 2022, Pages 205-213

http://dx.doi.org/10.22105/riej.2021.281055.1203

Abstract
  In this paper, a multi-objective assignment problem with fuzzy parameters (FMOASP) is introduced. These fuzzy parameters are characterized by an  interval-valued fuzzy numbers instead of fuzzy numbers. The signed distance ranking of  interval- valued fuzzy numbers of the parameters are not ...  Read More