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SIMILE : Modeling tool

SIMILE : Modeling tool. Modeling & river systems SIMILE as a modeling tool - What it is & what can we use it for? ● Navigate in SIMILE - Example: Bank account. Models as a management tool Models as a scientific tool. SIMILE as a modeling tool www.simulistics.com.

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SIMILE : Modeling tool

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  1. SIMILE : Modeling tool • Modeling & river systems • SIMILE as a modeling tool - What it is & what can we use it for? ● Navigate in SIMILE - Example: Bank account

  2. Models as a management tool Models as a scientific tool

  3. SIMILE as a modeling toolwww.simulistics.com • Visual modeling environment - Build model without learning programming - Display concept & relationship using diagram: ‘stocks’, ‘flows’ and ‘influences’ - GUI for simulation control & specifying inputs - Visualize & compare the model behaviors in graphs, tables

  4. SIMILE as a modeling toolwww.simulistics.com • What can we use it for? - Rate expressions for biological, chemical, or physical processes (differential equations) Ex: Mass balance or accounting, Growth dynamics, Respiration - Scenario analysis Ex: Effect of flow velocity on gas exchange between river-atmosphere

  5. SIMILE 4.4Download :http://simulistics.com/products/simile.php • Example models in ecosystem science: Download  Models

  6. Navigate in SIMILE • Start > All Programs > Simulistics > Simile v4.4

  7. Navigate in SIMILE • Overall modeling scheme Run-time environment Enter values for parameters/stocks or Describe equations Choose output display & Set run conditions Conceptual design (diagram) Run model • Tutorial: http://simulistics.com/tutorials/index.htm Example: Bank account

  8. Bank account: Conceptual design Stock or compartment: an account Flows: Interest & withdrawal Parameter: Interest rate

  9. Bank account: Enter values for parameters/stocks or describe equations • For time-dependent model - Set initial value for stocks (compartments) - Define parameters (flows & variables) Direct values Equations to describe behaviors Constant Time-series Variables that influence the parameter

  10. Run-time environment Create plot Create table Run • 1. Set execution condition in ‘Run • control’ & ‘Run settings’ • 2. Set display preference • 3. Run List of parameters/stocks

  11. Run model & view results

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