Discrete Event Simulations
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The traditional technique to simulate physical systems modeled by partial differential equations is
by means of a time-stepped methodology where the state of the system is updated at regular discrete
time intervals. This method has inherent inefficiencies. In contrast, we are developing a new
asynchronous type of simulation based on a discrete event-driven (as opposed to time-driven)
approach, where state of the simulation is updated on a "need-to-be-done-only" basis. This project
was initially funded by NASA SBIR Phase II. The further development of this technology and its
application to magnetosphere physics is being funded as a collaborative research project between
SciberNet, Inc. and Georgia Tech through a grant from the National Science Foundation. There are
two closely interrelated R&D; issues: Modeling components and parallel simulation components.
See our Discrete Event Simulations and
http://www.cc.gatech.edu/computing/pads/physics/
for more detail.
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