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System Dynamics Modules

Cascaded Stocks

Stocks are frequently daisy-chained together, or cascaded, in a sequence with alternating between rate-controlling variables. Flow comes in from outside the defined module boundary via the rate-controlling variable Flowing In and exits via Flowing Out. Material or items can accumulate in each of the stocks in turn before flowing to the outside of the defined module boundary. Whilst not indicated separately, each of the stocks would be populated with initial values. Without these initial values it would take time for the flows to transition through the module, thereby creating a set of transient effects. This module is also known as ‘Chain’.
     The description of the module is at
     The module coded in Powersim Studio is at .
     Click here for a run time version of this module.


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