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Topic: Simulation language


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In the News (Sun 15 Nov 09)

  
  Embedded.com - Turing-inspired scripting language simplifies simulation complexity
The simulator addition enhances the chosen simulation programming language to provide concurrency definitions, advanced data types and basic operations such as priority queue, scheduling schemes and statistics generator.
These languages are introduced to make simulations run faster or for creating standards, but they take much longer to construct relative to the solutions being replaced.
Current programming simulation languages do not provide the ease of use requirement for wide adoption and lack such features as easy parameterization for repetitive runs, accessing modeling memories and generating scheduled events.
www.embedded.com /shared/printableArticle.jhtml?articleID=190301963   (1952 words)

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

  
 Compiling a simulation language in APL
Graph languages: the mathematical model is represented as a special kind of directed graph (the bond graph) [4], or by a systems dynamics graph, using the terminology and symbols proposed by J. Forrester [5].
Simulation parameters (including those for simulated time control) become ordinary APL variables with the same names, which means that their values may be changed at any point by simple APL assignments.
On the other hand, continuous simulation models are typical examples of programs that contain loops that cannot be eliminated by means of matrix operations: as simulated time goes by, the values of all the variables in the model are updated as a function of the preceding values.
www.ii.uam.es /~alfonsec/docs/apl98s.htm   (1975 words)

  
 Simulation (jskl)
There are efficient simulation languages but their mastering represents a big initial investment not always justified.
Simulation can contribute very much to understanding of the system being analyzed not only by supplying answers to the questions that were originally given.
Simulation on analogue computers is based on creating an analogue electronic system whose behavior is described by the same mathematical model (set of differential equations) as the system being investigated.
staff.um.edu.mt /jskl1/simul.html   (2892 words)

  
 An object-oriented continuous simulation language and its use for training purposes
System simulation [1] is one of the oldest areas of computer science, well advanced in the sixties, that came to maturity in the seventies.
Graph languages: the mathematical model is represented as a special kind of directed graph (the bond graph) [5], or by a systems dynamics graph, using the terminology and symbols proposed by J. Forrester [6].
The extensions added to the language make it possible to build extremely compact object-oriented models when the system to be simulated consists of many similar interactuating parts, as in the gravitational examples we present here and others we have developed.
www.ii.uam.es /~alfonsec/docs/simul98f.htm   (2178 words)

  
 Expert in: Industrial Strength and Discrete Event Simulation   (Site not responding. Last check: 2007-10-13)
Expert is skilled in the development of interactive simulators built on the Arena simulation language, which are used by clients to simulate a specific set of manufacturing systems.
Expert is experienced at viewing simulation from both the "big picture" perspective within an organization and at the "micro" level required to de-bug and validate simulation code.
He has tracked the life cycles of simulation languages by observing their presence at technical conferences in the U.S., Japan, and Europe, their advertisements, and their references in the published literature.
www.intota.com /viewbio.asp?bioID=616507&perID=719401   (1171 words)

  
 Choice of approach
There are a number of advantages to implementing simulations in general languages: they tend to be very fast, there are few limitations on what can be done, programmers are easily found, and simulations can be done on a number of different computers (due to standardization of language).
It is also a simulation language, for it has commands to generate entities and manipulate queues.
In most cases, simulation these days is done by an appropriate special system, although there are still a substantial number of holdovers from the general language school.
mat.gsia.cmu.edu /simul/node11.html   (435 words)

  
 Towards an Ideal Social Simulation Language
The simulation is interesting precisely because it is difficult to see or prove why this clumping occurs from within the computational view for low values of the critical parameter.
Using these terms, verification is the process of checking that the representation is faithful to the simulator's intentions and validation is the process of checking that the expression of the simulation is faithful to the relevant social phenomena.
A simulation at the more theoretical end, may only be weakly constrained by observation of social systems because its purpose is to try and map out some of the possible processes that could occur in such systems – it is a sort of ‘stand-in’ for an effective method of deductive inference from set-up to outcomes.
bruce.edmonds.name /taissl/taissl.htm   (8939 words)

  
 Simulation Tools   (Site not responding. Last check: 2007-10-13)
The simulation results are dispayed in 4 different worksheets, one for the data, one for summary stats of all variables and one for detailed statistics of a selected variable.
This language is independent of the software and allows to ensure a relative perennity of authors work, as well as collaborative work and content reuse.
It supports the design of the simulation model from an object-oriented perspective and it provides both a graphical interface to enter the problem definition and a graphical animation of the simulation to represent the results.
www.idsia.ch /~andrea/simtools.html   (7393 words)

  
 Maisie Publication Abstracts   (Site not responding. Last check: 2007-10-13)
Maisie is a C-based discrete-event simulation language that was designed to cleanly separate a simulation model from the underlying algorithm (sequential or parallel) used for the execution of the model.
This paper describes a parallel simulation environment that supports the execution of a model using an existing adaptive simulation algotrithm where sub-models may be synchronized using conservative or optimistic algorithms, and an object may dynamically change its mode of synchronization.
In particular, we describe a logic level circuit simulator that uses an acyclic multi-way network partitioning algorithm to decompose Boolean networks and an algorithm-independent simulation language that allows a discrete-event simulation model to be executed using a variety of simulation algorithms.
may.cs.ucla.edu /projects/maisie/maisieabs.html   (1825 words)

  
 New Approach to Teaching Discrete Event System Simulation
A completely new language, ISDS, based on GPSS concepts but with interactive user interface and Pascal like syntax with many other new features was developed as the teaching tool.
The main purpose of this simulation system is to enable a cheap and easy learning and practising environment, particularly suited for students of engineering.
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.
www.ijee.dit.ie /articles/999977/article.html   (3188 words)

  
 The Neural Simulation Language - The MIT Press
The Neural Simulation Language (NSL), developed by Alfredo Weitzenfeld, Michael Arbib, and Amanda Alexander, provides a simulation environment for modular brain modeling.
NSL is an object-oriented language offering object-oriented protocols applicable to all levels of neural simulation.
Each chapter provides an explanation of a model, an overview of the NSL 3.0 code, and a representative set of simulation results.
mitpress.mit.edu /0262731495   (356 words)

  
 Simulation Module Markup Language
It is possible that a Simulation Module Markup Language (SMML) could have an impact on the field of computer simulation similar to the impact that HTML has had on computer information exchange.
This language encapsulates the structure and dynamics (equations) of a module in a purely declarative format, and can be utilized within a modeling environment to generate a highly configurable dynamic simulation.
It is hoped that this project will stimulate discussion leading to the adoption of a set of language standards for describing simulation modules, and support the development of a suite of modelling tools and libraries based on this specification.
www.uvm.edu /~gundiee/AV/Spatial_Modeling_Book/3/smml   (466 words)

  
 The iRides Project   (Site not responding. Last check: 2007-10-13)
A multiple-platform simulation player is being developed and tested with a variety of RIDES simulations, including DIAG, a very large and complex classic RIDES application that supports tutorial development and delivery of intelligent maintenance training.
At this point, most of the RIDES simulation language functions, including all that are used by DIAG, have been defined, and the core simulation engine has been developed and tested with the DIAG simulation.
Overriding these methods is all that is necessary for the new iRides simulator to be able to correctly parse and execute simulation rules that use these author-defined extensions to the simulation language.
btl.usc.edu /iRides   (1418 words)

  
 Simulation Tools   (Site not responding. Last check: 2007-10-13)
ACSL (a language for simulation of continous system) by AEgis Research into ACSL Sim, a tool for the simulation of continuous systems.
Extend (ImagineThat Inc.) is a simulation environment which has a lot of features like model libraries, hierarchies of models and its own modelling language (ModL) which resembles C. It targets both continuous systems and discrete event systems simulation, also offering the possibility of combining the two paradigms.
SLX builds on the strengths of Wolverine's GPSS/H. is structured as a multiplicity of layers, ranging from its C-like SLX kernel, at the bottom, through traditional simulation languages, e.g., GPSS/H, in the middle, to application-specific language dialects and extensions at the top.
www.cs.yale.edu /homes/yong/simulation-tools.html   (4399 words)

  
 Simulation Software - PSM++ Summary - free demo
An independent Queuing Model Simulator QMS (this is QMS, not PSM++).
The language has a clear process/event structure and is equipped with appropriate environment.
The whole system can be used to simulate a great variety of systems, from physical ones to queuing models, manufacturing, automatic control and many others.
www.raczynski.com /pn/pn.htm   (852 words)

  
 Simulation language - Maisie Publication Abstracts
Some simulation languages have in fact from the start been defined as a The choice of an appropriate simulation tool and simulation language is of vital
Maisie is a C-based simulation language that can be used for sequential and parallel execution of discrete-event simulation models.
From the very early days of simulation, simulation languages have been available to facilitate the development of common types of model.
simulation.yoursuperengine.com /q/simulation-simulation-language.htm   (650 words)

  
 The Development of an Object-Oriented, Discrete-Event Simulation Language Using Java
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.
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.
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)

  
 Custom Attack Simulation Language   (Site not responding. Last check: 2007-10-13)
A complete programming language, with most typical high-level language control constructs (e.g., "if", "while", and "for" statements), and designed to be as easy to learn and use as shell-script languages, but with network programming functionality rivalling that of "C" code.
It can be used to quickly construct simulations for protocol-spoofing attacks (like the infamous "land" and "teardrop" bugs), to easily build information-gathering tools like "stealth" port-scanners, or even to construct working "sniffer" programs to grab Unix "login" passwords or NT authentication hashes.
Alternatively, you can continue reading to see how the CASL language works, and find out how CASL can be used to perform anything from a "teardrop" or "land" attack to TCP hijacking.
www.sockpuppet.org /tqbf/casl.html   (546 words)

  
 Cetus Links: 16604 Links on Objects and Components / Simula
The language was designed by Dahl, Myhrhaug and Nygaard at the Norwegian Computing Center, Oslo and the first version of the language, Simula-1, described in 1966, was strictly a Simulation language (like GPSS).
Ten years later, the language was standardized and became known as simply Simula.
Simulation in Strongly Typed Languages : Ada, Pascal, Simula...
www.cetus-links.org /oo_simula.html   (281 words)

  
 Neural Simulation Language   (Site not responding. Last check: 2007-10-13)
NSL, Neural Simulation Language, is a simulation system for large-scale general neural networks.
NSL provides a simulation environment simplifying the task of modeling neural networks.
In particular, NSL supports neural models having as basic data structure neural layers with similar properties and similar connection patterns, where neurons are modeled as leaky integrators with connections subject to diverse learning rules.
www.neuralsimulationlanguage.org /about.html   (200 words)

  
 NeuronC Neural Simulation Language   (Site not responding. Last check: 2007-10-13)
This page provides information about NeuronC, a neural circuit simulation language that allows a user to construct a realistic biophysically-based model of a neural circuit (1 to 10,000 neurons) and simulate a physiology experiment on it.
Measurements of simulation speed based on the number of compartments solved per second are usually inappropriate and can be incorrect.
NeuronC remains an interpreted language but has been greatly enhanced to allow the user to simulate a neural circuit, display it in 3D, and simulate a complete physiology experiment on it.
retina.anatomy.upenn.edu /~rob/neuronc.html   (259 words)

  
 Pc Software at Value-Pc-Software.com
Discover a great range of pc software online including education & test prep, strategy, sports, simulation, shooter & fighting, board & card games, action & adventure and many more online such as foreign language software, graphics, kids software and home office software.
Our fast-loading, easy-to-navigate pc software site will help you discover a great pc software quickly and without hassle:
Flight Simulator X DVD Deluxe - Windows $69.96
www.value-pc-software.com   (348 words)

  
 Software
The Vensim Model Reader is free software which allows you to publish models constructed with Vensim and distribute them to other people.
Your model and the Vensim model reader can be copied and passed to as many people as you want, giving people access to your model without their needing to purchase Vensim.
Custom Vensim applications (flight simulators and other interfaces to models) can be developed with the Venapp builder, or in a programming language such as Visual Basic, C, C++, Visual C++, Delphi, Excel, and multimedia authoring tools, or in Sable (below).
www.vensim.com /software.html   (537 words)

  
 Easel
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.
Easel is a notation for describing abstract models of anything, a translator, and run-time system for running discrete event simulations from those models.
The download includes the most recent version of the Easel simulation system, the Easel Reference and Author Guide (PDF), and example simulations.
www.sei.cmu.edu /community/easel   (211 words)

  
 Simulation Distributed   (Site not responding. Last check: 2007-10-13)
DS-RT 2004 is the eigth of an annual series of international symposium dedicated to addressing the challenges in the distributed simulation and real...
...the Simulation Interoperability Workshop (SIW), the European SIW and the Conference on Behavior Representation in Modeling and Simulation...
The National Center for Simulation is where the simulation industry meets to share ideas and technology...
www.business2manage.com /directory/simulation-distributed.html   (614 words)

  
 CACI - Simulation Software - SIMSCRIPT
modeling and simulation programming language is used world wide for building portable, high-fidelity, large-scale simulation and modeling applications.
SIMSCRIPT II.5 is used for discrete-event and combined discrete-event/continuous simulation models.
The Integrated Development Tools are used world wide for building portable, high fidelity, large-scale simulation modeling applications with excellent interactive graphical user interfaces and animated graphics.
www.caciasl.com /products/simscript.cfm   (287 words)

  
 Publications   (Site not responding. Last check: 2007-10-13)
Mirolli M., Parisi D. Language as an aid to categorization: A neural network model of early language acquisition.
Parisi D., Cecconi F., Antinucci F., Natale F. Simulating the expansion of farming and the differentiation of European languages.
In A.Cangelosi and D.Parisi (Eds.), Simulating the evolution of language.
gral.istc.cnr.it /Publications.htm   (6108 words)

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