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Showing 1 to 20 of 38 for “"Discrete Event Simulation (DES)"”.
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Analysis of Staff Scheduling Effect on Hospitality Staffing Service Efficiency During High-Occupancy Conditions Using Discrete Event Simulation (DES)
<p>This study utilized discrete event simulation (DES) in order to optimize the staff scheduling within the housekeeping department for hotel operation during high-occupancy conditions. High-occupancy situations within hotels occur during peak season times in which guests occupy a greater number of …
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Improving operational effectiveness in the job-shop environment through discrete event simulation and innovative process design
… to analyze the value stream, utilizing a discrete event simulation (DES) tool to characterize the production system.
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An Aircraft Evacuation Simulation Baseline Using DES for Passenger Path Planning
<p>This paper introduced a Discrete Event Simulation (DES) model that simulates passengers’ evacuation paths and decision-making processes during aircraft certification. The model was built using ARENA® 14, which is a DES simulation tool. This model used A380 cabin configuration with capacity of …
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Sensitivity Analysis of Optimum Tutor Staffing Schedule Using Discrete Event Simulation
<p>This study utilized the discrete-event simulation (DES) approach to optimize the daily tutor cost for the Unified Tutoring Center, located at the Daytona Beach campus of Embry-Riddle Aeronautical University. The simulation model was built using Arena version 12, and the objective of the study …
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Effective modeling of throughput time in semiconductor assembly processes
We develop discrete event simulation (DES) models of a semiconductor assembly process capable of predicting average throughput time (TPT) within 6% of factory-floor measured average TPT. This represents a significant improvement over current DES models in the semiconductor industry, which commonly …
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Modeling anti-air warfare with discrete event simulation and analyzing naval convoy operations
… factors of convoy operations. In this study, a discrete event simulation (DES) was built by modeling ships, and their sensors and weapons, to simulate convoy operations under air threat. Where classified data was unavailable, assumptions were made and approximations were used in constructing the …
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A framework for embedding simulation.
… exemplars of successful outcomes from using simulation are readily available, little has been published outlining how simulation can be implemented in an organisation.This study examines on an experimental approach on how discrete event simulation (DES) can be implemented in an organisation …
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Workflow Analysis, Modelling and Simulation for Improving Conventional and MRI-guided Vascular Interventions
… approaches are employed to analyse the workflow: Discrete Event Simulation (DES) and purpose-oriented physical models. In contrast to previous studies, the proposed methodology looks in detail the actions carried out within the intervention rooms and the clinical experience during the procedures …
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Evaluating the Effect of Smart Parking Technology on Campus Parking System Efficiency using Discrete Event Simulation
… for parking. The literature review revealed discrete event simulation (DES) to be a suitable tool for studying the dynamic behavior in parking lots. The parking lot selected for data collection was a university parking lot with 234 spaces. The data collected included arrival rates, departure …
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Analysis of Airport Security Screening Checkpoints using Queuing Networks and Discrete Event Simulation: A Theoretical and Empirical Approach
<p>This study utilized discrete event simulation (DES) and queuing networks to investigate the effects of baggage volume and alarm rate at the Security Screening Checkpoint (SSCP) of a small origin and destination airport. A Jackson queuing network was considered for a theoretical assessment to …
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Improved Time Representation in Discrete-Event Simulation
Discrete-Event Simulation (DES) is a technique in which the simulation engine plays a history following a chronology of events. The technique is called ”discrete-event” because the processing of each event of the chronology takes place at discrete points of a continuous time-line. In computer …
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An Engineering Systems Approach to Production Planning of Optical Systems
… as project portfolios, assess performance using Discrete Event Simulation (DES) and technical modeling, and visualize options using tradespace plots. A case study, involving a representation of the National Ignition Facility’s (NIF) Optics Recycle Loop production system, is explored to …
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ΑΝΑΛΥΣΗ ΚΑΙ ΣΧΕΔΙΑΣΜΟΣ ΤΟΥ ΠΥΡΗΝΑ ΤΟΥ ΛΕΙΤΟΥΡΓΙΚΟΥ ΣΥΣΤΗΜΑΤΟΣ ΤΗΣ ΠΟΛΥΕΠΕΞΕΡΓΑΣΤΙΚΗΣ ΜΗΧΑΝΗΣ SIMULA
THE AREA OF DISCRETE EVENT SIMULATION (DES) IS THE LEAST IMPACTED BY PARALLEL PROCESSING EVEN THOUGH MOST OF ITS APPLICATIONS REQUIRE TREMENDOUS AMOUNTS OF PROCESSING TIME. THE COMMON APPROACH OF PARALLELIZING INDIVIDUALLY SPECIAL PURPOSE PROGRAMS LEADS TO VERY LIMITED IMPROVEMENTS IN PERFORMANCE. …
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A framework for generating operational characteristic curves for semiconductor manufacturing systems using flexible and reusable discrete event simulations
… facilities using a modular flexible discrete event simulation (DES) model embedded in an application that automates the design of experiments for the simulations. Typically, operating curves are generated using analytical queueing models that are difficult to implement and hence, can …
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Discrete event simulation based study of a PLM software network
A model for describing the data storage and data flow in a Product Lifecycle Management (PLM) software network has been developed in this study. Discrete event simulation (DES) has been used to represent this flow of data and queuing models have been used to represent the hardware components of the …
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The development of a combined simulation approach in a sexual health context: combining discrete event and system dynamics simulation to form a composite model
… migration in and out of the area of interest. A Discrete Event Simulation (DES) model has been constructed of the Genito-urinary Medicine (GUM) department at St Mary’s Hospital, Portsmouth, the department that treats patients presenting with STIs to enable healthcare professionals evaluate …
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Modelling the cost-effectiveness of strategies to treat end-stage heart failure using discrete event simulation
… constrained HTA by applying queuing theory using discrete event simulation (DES). A dynamic simulation modelling method, DES models queues representing the competition between patients for resources. This study used real world data from an Australian transplanting hospital to inform the modelling. …
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Implication of information disruption to supply chain improvement strategy decision - an entropy perspective
… or more alternatives used for comparison. Using discrete event simulation (DES), the study found that these strategic factors help improve supply chain performance in the face of supply chain disruption as long as the right combination of alternatives are used. At another level, this thesis …
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Adaptive techniques for scalable optimistic parallel discrete event simulation
Discrete Event Simulation (DES) can be an important tool across various domains such as Engineering, Military, Biology, High Performance Computing, and many others. Interacting systems in these domains can be simulated with a high degree of fidelity and accuracy. Furthermore, DES simulations do not …
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Comparison of Scheduling Algorithms for a Multi-Product Batch-Chemical Plant with a Generalized Serial Network
Despite recent advances in computer power and the development of better algorithms, theoretical scheduling methodologies developed for batch-chemical production are seldom applied in industry (Musier & Evans 1989 and Grossmann et al. 1992). Scheduling decisions may have significant impact on …
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