System Dynamics Pitfalls and Pointers

Using TIME, STARTTIME and TIMESTEP

In Powersim Studio, time has five distinct meanings: Time Horizon, Time Status, Elapsed Time, Time Unit and Delta Time, dt, (commonly called Timestep). Three specific Powersim Studio functions, that is, TIME, START TIME and TIMESTEP are used in the algebraic formulation of expressions for auxiliary and rate-controlling variables in simulation models.
     The following describes how to use TIME, START TIME and TIMESTEP functions correctly in system dynamics models .

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