Co-simulation of multi-domain physical and electronic systems

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The continued integration of microelectronics with physical systems such as optics, micro-mechanical devices (MEMS), and sensors has produced a need for more sophisticated Computer Aided Design (CAD) and simulation software. Examples of highly integrated systems include: integrated optics; micro-machined mechanical devices integrated with CMOS modules; and integrated sensors consisting of chemical/mechanical/biological sensors. This work addresses two primary challenges for CAD that arise for such systems: One is the need for accurate and fast simulation of tightly coupled systems spanning multiple energy domains. The second is the need for a high degree of system optimization to lower costs in very competitive markets. Commonly, the design of such complex systems is achieved by the partitioning of the system into blocks. These blocks divide the complex system into simpler pieces with well defined interactions so that each piece can be designed and modeled separately. However such approaches have significant limitations.