The modeling problems using layers of detail facilitates the understanding of the phenomenon under study and simplifies the implementation of solutions. When performing the simulation of a layered model, can the clock used in one layer be used in the other? For example, in the agent-based systems approach each agent can have a clock and all agents are subject to a universal clock? What are the criteria for the randomness of the events studied? And how do you use the clocks in these simulations?
I agree with Fernando's reply requiring a little more information about the problem. However, I think I can provide an example of how you can deal with a similar synchronization problem in pedestrian simulation:
In the linked paper we clarify how to introduce heterogeneous walking speed in discrete pedestrian models: we actually have a time discretization determining what can be the highest walking speed, in other words the time step of a global timeline. Then each agent has a property (his/her own desired walking speed) indicating how his actions relate to that timeline.
Hope this helps.
Sincerely
Giuseppe
http://arxiv.org/abs/1401.8132
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