This paper focuses on the operational and strategic planning decisions related to the quayside of container terminals. We introduce an integrated operational research (OR) and system dynamics (SD) approach to solve the Berth Allocation Problem (BAP) and the Quay Crane Assignment Problem (QCAP). A BAPQCAP optimization modeling approach which considers practical aspects not studied before in the ...

Given the extreme difficulty of estimating crash likelihoods, the most important aspect of the development of congestion management strategies is the identification of the factors that affect non-recurrent congestion caused by crashes. Such factors must be identified to develop crash management strategies and congestion management strategies. The objectives of this study are to identify causal ...

Fischer-Tropsch synthesis is a promising route for production of light olefins via CO hydrogenation over transition metals. Co is one of the most active metals for Fischer-Tropsch synthesis. Some different variables such as preparation parameters and operational factors can strongly affect the selectivity of Fischer-Tropsch synthesis toward the special products. In the case of preparat...

Business strategies are vital for an organisation in the dynamic business environment today. However, most organisations are still facing issues in effectively executing the business strategies. The misalignment of operational factors such people, business operations, and IT systems, is one major problem that hinders the best performance of an organisation and degrades the value of business str...

In the statistical sampling method, as in any other statistical approaches for measuring software reliability, the inputs to the program are chosen according to the estimated probability with which they occur in field use, forming the operational profile. However, in practice it is very difficult to accurately assess the operational distribution of input points. Furthermore, a variety of factor...

recently, farzipoor saen [journal of the operational research society, 60(11), 1575–1582 (2009)] proposed a method based on data envelopment analysis to identify optimistic efficient suppliers in the presence of nondiscretionary factors-imprecise data. this short communication aims at showing a computational error in computing the value of preference intensity parameter in farzipoor saen’s [1] ...

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In this paper, we discuss issues in performability modeling of \software rejuvenation," a form of software fault tolerance based on occasionally cleaning up the operational environment. System factors which play a key role in such a model are identi ed. Among these, we comment on two issues of particular interest when modeling software rejuvenation: (1) the representation of the degradation in ...

introduction gotvand-olia as one of the largest constructional projects in iran has been constructed on the karoun river, between masjed soleiman and gotvand regulatory dam in khuzestan province. it is situated in 382.8 km away from the river estuary at a distance of 25 km north of shoushtar city. this study was conducted to identify and assess the risk of gotvand-olia dam on the environment at...