Scenarios and events models in Symu

par | Juin 2, 2020 | Release notes, Symu | 0 commentaires

Screenshot of scenarios and events models

A new full example has been added in this new release v0.7.0 . In this example we have chosen to zoom on the scenarios and events models.

 

Scenarios

To run a simulation, you must at least define one scenario. it will basically allow to define which parameter allows to stop the simulation and for which value.
There are thress pre-defined scenarios :
  • Time based
  • Tasks based
  • Messages based
You can define your own scenario. A simulation may be define with multiple scenarios.

Events

To add variability, you can schedule events during the simulation. You will find by design one shot, cyclical and random events.

You can only use scenarios if you choose. But the scenarios and the events are different by design. The scenario is an agent, has its own life cycle, interacts with other agents via asynchronous messages; where events is a simple class that can be used directly by the agent via an EventHandler.

At least one scenario is required to run a simulation, then you choose what best suits your needs for variability between scenarios and events.

SymuScenariosAndEvents example

You can use this example to discover and understand how to use scenarios and events models to run a simulation.

Scenario of the simulation

  1. Agents performing tasks according to their availability, knowledge and beliefs
  2. Random process to assign the weight of tasks
Due to models and murphies, capacity may diverge from the number of tasks performed because of the blockers or unavailability of the agents.
Adding events such as new person needing to learn existing knowledge, or new knowledge for all the persons will also have an impact on the results.
In a Monte Carlo approach, you perform a number of iterations with the same configuration and analyse the results with a histogram chart of a frequency distribution in which the height of the bars are proportional to the result frequencies.
Small screenshot of scenarios and events models

You can also discover others models

  1. learning and forgetting models
  2. messaging and tasking models
  3. group and interaction models
  4. murphies and blockers models

Getting started

To start playing with this example, download the version v0.7.0. You will find the source code and the executable SymuScenariosAndEvents.exe.

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