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Topic: Discrete event simulation



  
 Simulation
However, the drawback of this type of simulation is in the increased labor required to construct a simulation at a discret event level and the demands on computational capability required.Some discrete events may not be feasible because of the number of events that would be evaluated.
Discrete event simulations generally provide a better format for analysis in that it may be easier to structure a process simulation through the building block approach provided by them.
Continuous event simulations show processes with mathematical expressions that do not delineate discrete events.
http://isds.bus.lsu.edu/cvoc/learn/bpr/cprojects/spring1998/modeling/simulation.html   (1297 words)

  
 ModelBenders - Encyclopedia
Simulations are usually referred to as either discrete event or continuous, based on the manner in which the state variables change.
In practice, most simulations use both discrete and continuous state variables, but one of these is predominant and drives the classification of the entire simulation.
The purpose of simulation experiments is to understand the behavior of the system or evaluate strategies for the operation of the system.
http://www.modelbenders.com/encyclopedia   (1131 words)

  
 Predicting an asteroid strike
The teraflops simulations employ "massively parallel computing," a computing approach pioneered by Sandia in the late 1980s.
In massively parallel computing, thousands of discrete computing tasks are assigned to several hundred separate computing "processors" inside the supercomputer.
The simulation is no video game; the calculations take into account the real-world laws of physics governing time, temperature, pressure, gravity, the densities of water and earth, and hundreds of other considerations to create an accurate prediction.
http://www.sandia.gov/media/comethit.htm   (1119 words)

  
 Simulation Tools
Parsec is a C-based simulation language, developed by the Parallel Computing Laboratory at UCLA, for sequential and parallel execution of discrete-event simulation models.
It is an intuitive modeling and simulation environment supporting the design and the performance evaluation of the transmission level of optical communication systems.
The Performance Prophet is a tool for modeling and simulation of high performance computing systems based on CSIM (Mesquite Software).
http://www.idsia.ch/~andrea/simtools.html   (7393 words)

  
 Simulation language - Wikipedia, the free encyclopedia
Discrete-event simulation languages, viewing the model as a sequence of random events each causing a change in state.
An important part of discrete-event languages is the ability to generate pseudo-random numbers and variates from different probability distributions.
A computer simulation language describes the operation of a simulation on a computer.
http://en.wikipedia.org/wiki/Simulation_language   (160 words)

  
 CS333 Lab A-3: Distributed Discrete Event Simulation
So, the idea of a discrete event simulation is to compute, as quickly as possible, the physical times that "would" occur in real time in a physical system, but without actually waiting for the delays between events to occur in real time.
The purpose of a discrete event simulation is to study a complex system by computing the times that would be associated with real events in a real-life situation.
When simulations grow large and have a lot of concurrency (have many events that could be processed simultaneously), it can be helpful to distribute the work of processing events across many simulators, with each simulator responsible for processing certain kinds of events.
http://www.cs.wustl.edu/~kjg/cs333/devs.html   (2033 words)

  
 Rockwell - Arena Simulation
Introduction to discrete-event simulation and demo of Arena simulation modeling and analysis software.
Demo of health care and hospital processes using Arena simulation software.
Featured article from Quality Digest entitled "Make Process Simulation Work for You."
http://www.arenasimulation.com   (87 words)

  
 Simulation Software – SIMPROCESS & SIMSCRIPT - CACI
is a hierarchical integrated process simulation software package that combines Process Mapping, Flow Charting, Discrete Event Simulation, and ABC (Activity Based Costing) in a single easy to use tool.
is a powerful Simulation Language with English-like syntax for building discrete event and/or continuous simulation models.
Simulation software is often used when you have a system to design or manage.
http://www.caciasl.com   (225 words)

  
 Simulation language - Maisie Publication Abstracts
Maisie is a C-based simulation language that can be used for sequential and parallel execution of discrete-event simulation models.
Most simulation languages use a next-event approach, which stipulates that This is the approach of simulation languages such as GPSS/H (Gordon 1996),
Application of a digital computer simulation language to control
http://simulation.yoursuperengine.com/q/simulation-simulation-language.htm   (650 words)

  
 CACI - Simulation Software - SIMSCRIPT
SIMSCRIPT II.5 is used for discrete-event and combined discrete-event/continuous simulation models.
View Simscript II.5 Studio Simulations on your computer!
Transient military personnel or newly assigned civilian simulation users are quickly able to develop sufficient proficiency to read, comprehend, and program in SIMSCRIPT II.5
http://www.caciasl.com/products/simscript.cfm   (287 words)

  
 Dorian Pyle, data mining, modeling, analytical CRM, resources - Systems Thinking Links Page
The Visual Simulation Environment (VSE) software product is an integrated development and execution environment for discrete-event, general-purpose, object-oriented, picture-based, component-based, and visual modeling and simulation applications.
It is suitable for simulation of continuous and discrete data systems based on the idea of block diagrams.
The Swarm Development Group (SDG) is a 501c(3) not-for-profit organization dedicated to advancing the state-of-the-art in multi agent based simulation through the continued advancement of the Swarm Simulation System and support of the Swarm user community.
http://www.modelandmine.com/links_sys.htm   (287 words)

  
 Simulation Tools
Parsec is a C-based simulation language, developed by the Parallel Computing Laboratory at UCLA, for sequential and parallel execution of discrete-event simulation models.
It is an intuitive modeling and simulation environment supporting the design and the performance evaluation of the transmission level of optical communication systems.
The Performance Prophet is a tool for modeling and simulation of high performance computing systems based on CSIM (Mesquite Software).
http://www.idsia.ch/~andrea/simtools.html   (7393 words)

  
 Simulation - Role Play Simulation for Teaching and Learning
A hybrid discrete/continuous simulation framework in C++ using quantized time For sequential and parallel execution of discrete-event simulation models.
This simulation provides and opportunity for users to experience a web page as someone with a Note: This simulation requires the Shockwave plug-in*.
Established in 1995, the Advanced Simulation and Computing (ASC) Program
http://globalinfoplus.com/?q=simulation   (213 words)

  
 New Approach to Teaching Discrete Event System Simulation
The discrete event system theory, simulation and practice are covered in many books and articles in scientific journals and started appearing even in IEEE publications on control systems.
The main purpose of this simulation system is to enable a cheap and easy learning and practising environment, particularly suited for students of engineering.
In addition to the language definition, it's implementation and the user interface description, we also present a comparison of ISDS to GPSS and PASSIM and performance comparison between ISDS and GPSS/FON in teaching simulation.
http://www.ijee.dit.ie/articles/999977/article.html   (3188 words)

  
 OPESS
It presents the main concepts of modeling, system analysis, and simulation such as discrete event simulation, Monte Carlo Simulation, useful probability distributions etc. The modeling methods and the simulation methods are described in more details.
In these industries it became clear that the terminology, logistics objects, and fundamental methods of the MRP II concept could not always be applied without adaptation.
This module provides an introduction to objectives and tasks of SCM concepts and discusses problems of missing data exchange and the bullwhip effect.
http://opess.ie.iwi.unibe.ch/demo   (3188 words)

  
 Simulation Tools
Parsec is a C-based simulation language, developed by the Parallel Computing Laboratory at UCLA, for sequential and parallel execution of discrete-event simulation models.
It is an intuitive modeling and simulation environment supporting the design and the performance evaluation of the transmission level of optical communication systems.
The Performance Prophet is a tool for modeling and simulation of high performance computing systems based on CSIM (Mesquite Software).
http://www.idsia.ch/~andrea/simtools.html   (3188 words)

  
 Jeff M Phillips : Physical Simulation
A discrete event simulation is used to handle all collisions (as well as insertion and removal events) correctly.
This project models a piece of tissue for use in suturing in surgical simulations which deforms in real-time.
At every time step, we calculate the order of all events which will occur.
http://www.cs.duke.edu/~jeffp/research/physical_simulation.html   (3188 words)

  
 The Development of an Object-Oriented, Discrete-Event Simulation Language Using Java
This paper describes a prototype development of an object-oriented, animated, general purpose discrete-event simulation language which builds on the well established entity modeling notations of JSD and harnesses the object-oriented features provided by Java to produce a high-level graphically defined simulation language providing customizable animations in a platform-independent way.
In addition to performance evaluation simulations, the provision of user interaction through customizable control panels allows the simulator to be used in a gaming or training mode.
Simulation modeling is an ideal domain for the application of object-oriented methods, both in the modeling of problem domain entities and in the implementation of simulators.
http://csdl2.computer.org/persagen/DLAbsToc.jsp?resourcePath=/dl/proceedings/&toc=comp/proceedings/apsec/1997/8271/00/8271toc.xml&DOI=10.1109/APSEC.1997.640169   (254 words)

  
 simulation
Tools and softwares for different modelling and simulation paradigms (discrete-event, continuous, web-based, etc...
A structured review of simulation software tools: languages, integratedmodel development environments, model and algorithm libraries.
This is a review of simulation software that does not aim to...
http://www.pconly.com/software/simulation.php   (453 words)

  
 Easel
Easel is a notation for describing abstract models of anything, a translator, and run-time system for running discrete event simulations from those models.
Easel is a modeling and simulation programming language intended primarily for research, analysis and depiction of unbounded systems, survivable architectures and emergent algorithms in applications including Internet security, ad hoc communication networks, electric power, and cooperative among autonomous vehicles.
We have developed a number of Easel simulations.
http://www.sei.cmu.edu/community/easel   (211 words)

  
 CIS307: HINTS FOR HOMEWORK 1
Discrete event simulation is used extensively when trying to predict or analyze the behavior of computer systems.
We have seen that we keep in a queue the events that are expected to occur next.
We consider what events are going to happen next, we choose the next event that will occur the sooner, and we advance the global clock to the time of this next event.
http://www.cis.temple.edu/~ingargio/old/cis307s95/homeworks/hints1.html   (909 words)

  
 Flexsim Simulation Software - modeling, analysis, optimization, visualization
Home Steering Committee Software Screen Shots Consulting Training Clients simulation links: siman simulation analysis simulation modeling & analysis modeling & simulation simulation & optimization simulation, visualization & modeling google simulation software list simulation software links discrete event systems material & process simulation Downloads Distributors Links Online Meeting User Login Flexsim Community
Upgrade your simulation software to the solution that everyone is talking about: Flexsim Simulation Software!
Flexsim is a PC-based simulation software application used by businesses and organizations around the globe for modeling, simulation, and visualization of their systems and processes.
http://www.flexsim.com   (909 words)

  
 Barry G. Lawson and Steve Park: Asynchronous Time Evolution in an Artificial Society Model
Although asynchronous time evolution in an artificial society discrete-event simulation model can reduce simulation artifacts and sensitivity to initial conditions, computational performance can suffer significantly unless the next-event approach is implemented properly.
In most artificial society discrete-event simulation models, synchronous time evolution is used to drive the actions and interactions of the landscape and agents.
We use the term "artificial society" to describe an agent-based discrete-event simulation model used to study social processes as they evolve on a landscape.
http://jasss.soc.surrey.ac.uk/3/1/2.html   (909 words)

  
 Introduction to Discrete Event Simulation
Discrete event simulation is one way of building up models to observe the time based (or dynamic) behaviour of a system.
This page introduces the basic concepts behind discrete event simulation.
The paper also discussed the issues surrounding experimentation with discrete event simulation.
http://www.dmem.strath.ac.uk/~pball/simulation/simulate.html   (909 words)

  
 New Approach to Teaching Discrete Event System Simulation
The discrete event system theory, simulation and practice are covered in many books and articles in scientific journals and started appearing even in IEEE publications on control systems.
One of the main groups was taught discrete event simulation by using ISDS and the other, the control group, covered the identical syllabus in GPSS/FON.
This paper has a goal to demonstrate the capabilities of ISDS language in teaching simulation of discrete event systems.
http://www.ijee.dit.ie/articles/999977/article.html   (3188 words)

  
 Companies - Specializing - Queuing Theory Software
Specializes in: modeling, computer aided design, process flow chart, system simulation, simkit, integrated, simulation software, queuing theory, simulation models, manufacturing, business simulation, queuing, automation, stochastic processes, operations research, randomness, discrete event simulator, queueing theory, production systems, modelling, simulation, discrete event simulation, workflow management, business software, queueing, manufacturing systems, customer care, queue, process improvement, computer
Specializes in: music theory lessons, ear training, musicgoals, bass, musicgoals by eye and ear, piano chords, cello, music questions, violin, musicianship training, singing electron, guitar chords, music theory software, keyboard goals, music lessons, guitar, sight reading, viola, piano lessons, piano
Specializes in: recallplus, education, improve, efficient, computer aided learning, learning theory, revision, memory, shareware, software, recall, student, evolutioncode pty ltd, computer, study
http://www.soft411.org/companies/queuing-theory.html   (511 words)

  
 The Time Warp Operating System
The Time Warp Operating System (TWOS) is a optimistic parallel discrete event simulation engine based on David Jefferson's concept of virtual time.
It achieves high speedup on discrete event simulations by running them in parallel on multiple nodes of a parallel processor, or on several Sun workstations connected by an Ethernet.
Each node running the simulation schedules and executes the local event with the earliest simulation time.
http://ficus-www.cs.ucla.edu/project-members/reiher/Time_Warp.html   (394 words)

  
 Simulation, roller coaster simulation, goofiz rank real simulation
Simulation training Business simulation Free simulation game Discrete event simulation Stock simulation Free simulation Flight simulation Poker simulation Virtual simulation Interact simulation
The case-study, business simulation used by 500+ colleges / universities and 200,000 participants.
Find simulation at one of the best sites the Internet has to offer!
http://www.gamblingjoy.com/simulation.html   (272 words)

  
 ACM: Transactions on Modeling and Computer Simulation
The subjects of emphasis are discrete event simulation, combined discrete and continuous simulation, as well as Monte Carlo methods.
Papers in continuous simulation will also receive serious consideration if their contributions to modeling and simulation in general are substantial.
The use of simulation techniques is pervasive, extending to virtually all the sciences.
http://www.linklings.net/tomacs   (138 words)

  
 Minho Park's Home Page
Minho Park and P. Fishwick, " SimPackJ/S: A Web-Oriented Toolkit for Discrete Event Simulation, ".
Minho Park, " SimPackJ/S: A Web-Oriented Toolkit for Discrete Event Simulation, ".
Minho Park and P. Fishwick, "Ontology-based Customizable 3D Modeling for Simulation,".
http://www.cise.ufl.edu/~mhpark   (372 words)

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