To run a deterministic simulation in GoldSim, select the Deterministic Simulation radio button in the Monte Carlo tab of the Simulation Settings dialog:
In a deterministic simulation, a single realization will be carried out using a deterministic value for each Stochastic element. When you do so, it is necessary to specify what deterministic values are to be used for each Stochastic element.
As can be seen, there are three options for running a deterministic simulation:
Element Deterministic Values: In this case, the deterministic value explicitly specified in the Stochastic element property dialog is used for each Stochastic element.
Element Mean Values: In this case, the mean value of each Stochastic is used (overriding any deterministic value specified for each Stochastic).
Specified Quantile: In this case, the specified quantile (a number between 0 and 1) of each Stochastic is used (overriding any deterministic value specified for each Stochastic).
Note: If you are resampling a
Stochastic during a Deterministic Simulation, its value will not change
(i.e., it will not behave stochastically), unless the distribution itself is
changed as a function of time.
Stochastic elements are not the only elements that behave probabilistically. Several other elements in GoldSim also do so. In a Deterministic Simulation, these elements also behave deterministically (i.e., their behavior is no longer random):
•Randomly time-shifted Time Series are sampled from the middle of the historic data (i.e., the starting point is based on the median value of the series).
•Random Timed Events occur regularly, not randomly.
•Random Choice elements use the mean value.
•History Generator elements assume zero volatility.
•Delay elements assume zero dispersion.
•Elements from the Reliability Module that simulate failures and repairs assume mean values (and hence the events occur regularly).
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