LYCOS RETRIEVER 
Simulation
built 657 days ago
The WITNESS VISIO Simulation Solution is the perfect way to test the performance of a process before implementation. It adds the power of simulation on top of traditional process mapping. The simulation model is taken from the process diagram and 'runs' the process virtually. It takes account of the variability of the process and reports accurately on how this variation affects key performance indicators in a way that spreadsheet analysis can never do. With accurate results like these it is possible to make much better informed decisions on the structure and the implementation for the process.
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Simulation is an important feature in engineering systems or any system that involves many processes. For example in electrical engineering, delay lines may be used to simulate propagation delay and phase shift caused by an actual transmission line. Similarly, dummy loads may be used to simulate impedance without simulating propagation, and is used in situations where propagation is unwanted. A simulator may imitate only a few of the operations and functions of the unit it simulates. Contrast with: emulate.[11]
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The Simulation runs a continuous Transient simulation on the circuit starting at time zero and incrementing by the Step Ceiling setting. Results of the Simulation are displayed in either the schematic with the Circuit Visualization or any of the Virtual Instruments. The results are refreshed by the time specified in the Update Interval setting.
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The WITNESS VISIO Simulation Solution provides ready made stencils to use inside VISIO. These reflect the latest in standards for creating process diagrams - there is a choice of IDEF3, Process Chart and BPMN (Business Process Modeling Notation). These standards ensure some rigor in the modeling process and offer a flexible way to store and use the data for any process. One further stencil provides the option to define extra items for a simulation such as shift patterns - enabling extra data to be defined and used.
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Simulation is used in many contexts, including the modeling of natural systems or human systems in order to gain insight into their functioning. Other contexts include simulation of technology for performance optimization, safety engineering, testing, training and education. Simulation can be used to show the eventual real effects of alternative conditions and courses of action.
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The Simulation mode is controlled by the main toolbar and consists of the Reset, Pause, Step, Walk, and Run buttons. These control the progress of operation of the Simulation. The Step Ceiling and Update Interval settings control how the Simulation progresses and how often the results are updated.
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Simulation