Ashkan Memari

Ashkan Memari
Bond University

PhD

About

20
Publications
41,477
Reads
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602
Citations
Additional affiliations
January 2017 - December 2017
Universiti Teknologi Malaysia
Position
  • PostDoc Position
January 2017 - December 2017
Universiti Teknologi Malaysia
Position
  • PostDoc Position
January 2017 - January 2017
Universiti Teknologi Malaysia
Position
  • PostDoc Position

Publications

Publications (20)
Article
Full-text available
The concept of sustainability is becoming an essential philosophy for numerous industrial sectors because of the increase in environmental protection and social obligations awareness. A sustainable supplier selection is the first step towards this trend. It is also a challenging problem since multi-criteria group decision-making is engaged with num...
Article
Full-text available
Firefly algorithm is among the nature-inspired optimization algorithms. The standard firefly algorithm has been successfully applied to many engineering problems. However, this algorithm might be stuck in stagnation (the solutions do not enhance anymore) or possibly fall in premature convergence (fall in to the local optimum) in searching space. It...
Article
Full-text available
Biomass residues due to their low bulk density typically require frequent transportation from biomass plantations in rural areas to conversion bio-energy power plants. This issue contrasts with environmental protection strategies, especially when power plants are facing different carbon reduction policies that enforce them to emit less than a given...
Article
Full-text available
Global warming impacts are becoming more visible in our daily life. Supply chain activities and many logistics activities are the leading sources of carbon dioxide (CO2) emission and environmental pollutions. These issues have raised concerns to reduce CO2 emissions amount through design and planning of supply chain networks. Operations research ha...
Article
Full-text available
Carbon trading is a market-based mechanism for controlling carbon emissions by providing economic incentives to reduce emissions. In recent years, there has been an increasing interest in modeling supply chain networks under this scheme; however, to date, only a limited number of researchers have investigated the implication of this mechanism for b...
Article
With the growing energy and economic crises, the need for optimization of energy consumption in the design and construction of buildings has recently become even more significant. This study aimed to determine the best combinations of building-envelope materials with the consideration of influential and uncontrollable factors for energy-efficient d...
Article
Full-text available
Just-In-Time (JIT) is a popular philosophy in many industrial practices. The concept of JIT in early studies concerned with improving operational efficiency and waste minimization. In recent decades, however, JIT principles have also connected to logistics efficiency particularly for distribution of raw materials and finished goods. In the literatu...
Article
Full-text available
This paper presents a quick review of the basic concepts and essential steps for implementing of metaheuristic algorithms. It can be therefore used as a roadmap to shed light on solving an optimization problem using a metaheuristic algorithm. We provide a brief review of the topics, including general concepts for metaheuristics, the need to design...
Article
Full-text available
Distribution network planning has attracted the attention of many studies during last decades. Just-in-time (JIT) distribution has a key role in efficient delivery of products within distribution networks. In modeling of JIT distribution networks, the most frequently applied objectives are related to cost and service level. However, evaluating the...
Conference Paper
Full-text available
This paper addresses a mixed-integer linear programming model by integrating just-in-time delivery along with green objectives in a logistics network. Multi-objective genetic algorithm optimization has been applied in order to minimize the delivery lead-time as well as environmental impact of logistic network. Moreover, this evolutionary based algo...
Conference Paper
Full-text available
The goal of this research is to develop a novel multi-objective mathematical model in a green supply chain network consisting of manufacturers, distribution centers and dealers in an automotive manufacture case study. The main objectives considered are: minimizing the costs of production, distribution, holding and shortage cost at dealers as well a...
Conference Paper
Full-text available
The main goal of this paper is to develop a framework to support the supplier selection process in an Iranian automotive industry. Although numerous criteria are being used for the selection of suitable supplier, selection of the critical factors in conformance to the specification of the automotive industries is less investigated. In order to fill...
Conference Paper
Full-text available
This paper addresses a non-linear optimization model by integrating production planning and inventory control in the automotive industry at the strategic and operational level. In order to provide an effective modeling, we developed a framework to integrate manufacturing system and suppliers within an automotive supply chain network. The numeri...
Article
Full-text available
Performance measurement plays an important role in today's competitive market due to its direct effect on supply chain's profitability. Many approaches have been applied for evaluating performance of firms, including financial, operational and balanced frameworks. Companies peruse to find the best fit performance measurement framework due to a vari...
Article
Full-text available
Recently companies have improved their supply chain performance through improvement of Production-Distribution (P-D) network to achieve their commitment on the low cost product and high responsiveness. Performance measurement in supply chain has important feedback on information process. However complexity in evaluation of performance parameters, i...
Article
Full-text available
Supply Chain Management (SCM) has improved company’s competitive strategy during last decades undoubtedly. Production distribution (P-D) network, as a part of supply chain network, has considerable effect on whole profitability of companies, because customer experience and supply chain cost are affected by P-D network directly. A lot of mathemat...
Conference Paper
Full-text available
Construction process complexities lead to many difficulties imposed on construction planners and designers who are facing with different issues such as developing new methods or solving problems during a construction process. In order to solve these problems in construction industry, simulation can be an acceptable solution. In this regard, graphic...

Questions

Questions (2)
Question
In my bi-objective model the range of solution for the first objective is between 1300000 to 1800000, while the second objective is in range of 0.02 to 0.09. I decide to obtain a single solution by weighted sum approach. How can I do that?

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