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simulation : the imitative representation of the functioning of one system or process by means of the functioning of another — Webster
Simulation is the imitation of the operation of a real-world process or system over time. The act of simulating something first requires that a model be developed; this model represents the key characteristics or behaviors of the selected physical or abstract system or process. The model represents the system itself, whereas the simulation represents the operation of the system over time. Simulation is used in many contexts, such as simulation of technology for performance optimization, safety engineering, testing, training, education, and video games. Training simulators include flight simulators for training aircraft pilots to provide them with a lifelike experience. Simulation is also used with scientific modelling of natural systems or human systems to gain insight into their functioning. Simulation can be used to show the eventual real effects of alternative conditions and courses of action. Simulation is also used when the real system cannot be engaged, because it may not be accessible, or it may be dangerous or unacceptable to engage, or it is being designed but not yet built, or it may simply not exist. Key issues in simulation include acquisition of valid source information about the relevant selection of key characteristics and behaviours, the use of simplifying approximations and assumptions within the simulation, and fidelity and validity of the simulation outcomes. — Wikipedia
SAGE Publications Ltd STM: SIMULATION: Table of Contents Table of Contents for SIMULATION. List of articles from both the latest and ahead of print issues.
- Modeling and analysis of business process...by Sharan Srinivas on October 8, 2020 at 7:15 am
SIMULATION, Ahead of Print. <br/>Emergency departments (ED) in the USA treat 136.9 million cases annually and account for nearly half of all medical care delivered. Due to high demand and limited resource (such as doctors and beds) availability, the median waiting time for ED patients is around 90 minutes. This research is motivated by a real-life case study of an ED located in central Missouri, USA, which faces the problem of congestion and improper workload distribution (e.g., […]
- Model builder for diagnosis and simulation of...by B Six on October 8, 2020 at 7:14 am
SIMULATION, Ahead of Print. <br/>This paper deals with a model builder for Hybrid Dynamic Systems (HDS), where technological components including sensors in an iconic format can be automatically dragged from a database and interconnected to produce the overall HDS, following industrial technological schemes. Once the model has been created, its consistency can be checked, and a block diagram simulation can be performed. The theory behind the software is based on Hybrid Bond Graphs (HBG), […]
- Numerical simulation of the fire emergency...by Jiabin Xie on October 3, 2020 at 5:05 am
SIMULATION, Ahead of Print. <br/>A coupled analysis of agent behavior and Computational Fluid Dynamics (CFD) model is applied to investigate the fire evacuation effectiveness in a popular metro station in Guangzhou, China. Due to the high density and complexity of traffic, the concept of Required Safe Escape Time and Available Safe Escape Time (RSET/ASET), which is more flexible and adaptable than the “6 minutes” principle, is applied in the safety assessment of fire evacuation. To […]
- Sequential probability ratio tests: conservative...by Jack PC Kleijnen on October 1, 2020 at 6:27 am
SIMULATION, Ahead of Print. <br/>Because computers (except for parallel computers) generate simulation outputs sequentially, we recommend sequential probability ratio tests (SPRTs) for the statistical analysis of these outputs. However, until now simulation analysts have ignored SPRTs. To change this situation, we review SPRTs for the simplest case; namely, the case of choosing between two hypothesized values for the mean simulation output. For this case, the classic SPRT of Wald (Wald A. […]
- A DEVS-based pivotal modeling formalism and its...by Kehinde G. Samuel on September 26, 2020 at 7:54 am
SIMULATION, Ahead of Print. <br/>System verification is an ever-lasting system engineering challenge. The increasing complexity in system simulation requires some level of expertise in handling the idioms of logic and discrete mathematics to correctly drive a full verification process. It is recognized that visual modeling can help to fill the knowledge gap between system experts and analysis experts. However, such an approach has been used on the one hand to specify the behavior of […]
Modeling and Simulation | News Feed The Latest Modeling and Simulation News and Research
- Ascend Expands Antimicrobial Acteev™ Technology...on September 11, 2020 at 9:14 am
A new line of face masks combining comfort with protection is available from Acteev™ by Ascend Performance Materials, a manufacturer of technology-forward textiles and engineered materials. The...
- Pacific Green Marine Technologies, Inc. Installs...on September 9, 2020 at 9:51 am
Pacific Green Technologies, Inc. (the "Company" or "PGTK") announces that it has successfully installed its 100th ENVI-Marine(TM) exhaust gas cleaning system. PGTK's industry...
- ZwickRoell Releases Updated Design of VDA Bending...on August 27, 2020 at 9:28 am
The automotive industry strives to use materials that both protect passengers and improve fuel efficiency. The VDA bend test attempts to determine the deformation behavior of a material during forming...
- BTU Customer Launches New EMS PCB Assembly...on August 26, 2020 at 9:12 am
BTU International, Inc., a leading supplier of advanced thermal processing equipment for the electronics manufacturing market, announces that Phoenix, AZ-based Outroar LLC launched new EMS PCB...
- Reliable Gas Measurement Technology in Ripening...on August 24, 2020 at 8:56 am
MSR-Electronic provides security against CO2 / C2H4 / C2H4O and O2 deficiency. Copyright MSR-Electronic GmbH, Germany, graphic gas measurement in ripening chambers Fresh fruit and vegetables...