Operation Research
1. An Improved Optimization Model for Scheduling of a Multi-Product Tree-Like Pipeline

Mehrnoosh Tahekhani

Articles in Press, Accepted Manuscript, Available Online from 01 December 2019

  In the petroleum supply chain, oil refined products are often delivered to distribution centers by pipelines since they provide the most reliable and economical mode of transportation over large distances. This paper addresses the optimal scheduling of a complex pipeline network with multiple branching ...  Read More

Operation Research
2. Using Theory of Constraints in Production Management and Scheduling (A Case Study)

ahmad hooshmand; Ali Reza Mehrazeen; Ali Reza Davoody; Mohamad Reza Shorvarzi

Articles in Press, Accepted Manuscript, Available Online from 24 September 2019

  In manufacturing institutes the only access way to maximum profit is identifying the production mix of the products based on the limitations such as policies and politics, demand and production processes. This study identifies the constraints of a tile-manufacturing company including constraints in ...  Read More

3. Stochastic Facility Layout Planning Problem: A Metaheuristic and Case Study

Nima Moradi

Articles in Press, Accepted Manuscript, Available Online from 09 October 2019

  Facility layout is one of the most important Operations Management problems due to its direct impact on the financial performance of both private and public firms. Facility layout problem (FLP) with stochastic parameters, unequal area facilities, and grid system modeling is named GSUA-STFLP. This problem ...  Read More

Data Envelopment Analysis
4. Efficiency score assessment of Iranian Mining, Wood and Textile Industries

Malek Hassanpour

Articles in Press, Accepted Manuscript, Available Online from 22 October 2019

  The Iranian Environment Protection Agency (IEPA) in collaboration with Iranian Industries Organization (IIO) need to design a relevant database for the industries information based on the initial screening of Iranian Evaluator Team (IET) in certain clusters. However, we aware of this fact that all industrial ...  Read More

Operation Research

Nasiru Salihu; Mathew Remilekun Odekunle; Mohammed Yusuf Waziri; Abubakar Sani Halilu

Articles in Press, Accepted Manuscript, Available Online from 03 November 2019

  There exist large varieties of conjugate gradient algorithms. In order to takeadvantage of the attractive features of Liu and Storey (LS) and Conjugate Descent (CD) conjugate gradient methods, we suggest hy-bridization of these methods in which the parameterβkis computed as a convexcombination ofβ ...  Read More

6. Identification and Prioritization of Factors Affecting Authentic Leadership Deployment at the University of Medical Sciences by AHP

mehrzad abdolah zadeh laleh dashti; mehrdad goudarzvand chegini; hamidreza rezaei kelidbari

Articles in Press, Accepted Manuscript, Available Online from 10 November 2019

  Authentic leadership is a pattern of leadership behavior that, by possessing positive psychological abilities, can create a special place for service organizations. The purpose of this study was to identify and prioritize the factors influencing the establishment of authentic leadership in the University ...  Read More

7. Numerical Optimal Control of The Wave Equation

Hassan Zarei; Ali Zafari

Articles in Press, Accepted Manuscript, Available Online from 29 December 2019

  In this paper, we present a spectral method for approximating the boundary optimal control problems of a well-known wave equation by the linear optimal control problems. The method is based upon constructing the Mth degree interpolation polynomials, using Chebyshevs nodes, to approximate the wave equation. ...  Read More