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Definition
A physical, mathematical, or otherwise logical representation of a system, entity, phenomenon, or process.
-Representation of something else, often a "real-world" system
-Some aspects of the modeled system are represented in the model, others not |
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| Executing a model over time. Also, a technique for testing, analysis, or training in which real world systems are used, or where a model reproduces real world and conceptual systems. |
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Definition
| A single execution of a simulation. |
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Definition
| A run, or series of related runs, of a simulation being used for training. |
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Definition
| A run, or series of related runs, of a simulation being used for analysis or experimentation. |
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Definition
| The use of models and simulations, either statically or over time, to develop data as a basis for making managerial or technical decisions. This includes, but is not limited to, emulators, prototypes, simulators, and stimulators. |
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Definition
The subject of a model or simulation.
-Real world system
-Thing to be simulated |
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Definition
-Intended uses
-Needed validity, resolution, scale |
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Definition
-Simuland components, structure
-Aspects of simuland to model
-Implementation specifications
-Use cases
-Assumptions
-Initial model parameter values |
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Definition
-Computer software
-Implemented conceptual model |
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Definition
-Output of model
-Produced during simulation |
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Definition
| Person who participates in the simulation and is expected to benefit from the experience. |
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Definition
| Person who operates all or part of the model during the simulation, but is not expected to benefit from the experience. |
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Definition
| Person who uses simulation output to gain insight into the simulated systems or scenario. |
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Definition
The degree of detail with which the real-world is simulated. More detail is higher resolution.
Low - Simulate attack squadron as a whole.
Medium - Simulate individual aircraft
High - Simulate sensor and weapons systems |
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Term
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Definition
The body of knowledge available to a modeler regarding a simuland.
Quantitative and formal
-physics equations for aircraft flight dynamics
Qualitative and informal
-pilot's expectation of buffet before stall |
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Definition
Accuracy of model's representation or simulation's results.
Validity is relative to
-Reality
-Representation
-Requirements |
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Definition
| Size of the overall scenario or event the simulation represents. |
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Definition
A category of models or simulations with some important common characteristics.
Defining characteristics
-Intent or goal of simulation
-Presence of randomness
-Handling of time
-Degree of "virtuality" |
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Term
| Modeling Method (Model Type) |
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Definition
Basis or method underlying a model; the way the model represents its subject.
Characteristics of each model type
-Representational basis
-feature and characteristics
-advantages and disadvantages
-typical uses |
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Definition
| M&S used to produce learning in a user or participant. |
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Definition
M&S used to explore design or solution spaces, or to gain insight into a incompletely understood situation.
An iterative process of collecting, developing and exploring concepts to identify and recommend the best value-added solutions for changes in the doctrine, organization, training, material, leadership and people required to achieve significant advances in future joint operational capabilities.
-Less controlled than analysis
-Simulation used to "explore" possibilities |
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Definition
M&S used to predict, design, test, or evaluate a real or notional system or idea.
-Simulation used to answer questions
-Repeatability often desirable
-Careful experimental design |
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Definition
M&S used to develop, analyze, or test an engineering design.
-Important simuland aspects modeled
-Models physics-based, no "behavior"
-No virtual environment or simulators
-User not expected to benefit from experience
-Primary goal: useful result |
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Term
Acquisition
(Simulation based Acquisition) |
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Definition
M&S used to specify, design, develop, and acquire new systems.
-Simulation used to acquire systems
-Goal: save lives, money, time |
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Definition
| M&S used to entertain or amuse a user or participant. |
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Definition
| Simulation where a given set of inputs will produce a determined, unique set of outputs |
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