The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Nowadays many engineered systems are modelled and simulated before their production. A common problem is that all modules and properties of complex systems cannot be modelled within only one simulation suite because they require different (proprietary) simulation software. This makes it desirable to be able to simulate a whole system simulation as cooperating simulation modules. To be efficient the communication between the modules has to be fast and must not be a bottleneck. In this paper we propose a theoretical concept to connect heterogeneous simulation modules. We utilize the mechanism of optimistic scheduling but expand it by using a heuristic to fast determine values. Our concept uses the rollback known from time warp mechanism. A module needs a certain amount of input data to process and when this data is not present at the given time of processing we use the heuristic to get all missing data. With these two enhancements we can limit the amount of rollbacks while speeding up the processing time of the whole system simulation.