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Hybrid solver strategies in automotive EMC simulation

: Zitzmann, M.-L.; Grillmair, R.; Clees, T.; Weigel, R.


Institute of Electrical and Electronics Engineers -IEEE-:
17th International Zurich Symposium on Electromagnetic Compatibility, EMC 2006. Proceedings : Singapore, February 27 - March 3, 2006
New York, NY: IEEE, 2006
ISBN: 3-9522990-4-9
International Symposium on Electromagnetic Compatibility (EMC) <17, 2006, Zürich>
Fraunhofer SCAI ()

Switching operations in integrated circuits are often the reason for electromagnetic disturbances which can spread over the whole system. This is especially important for automotive applications where many control systems are connected together via cable harnesses. Although model order reduction techniques help to reduce the computational effort resulting from realistic automotive simulation problems suitable solver strategies are indispensable. Their efficiency highly depends on the matrix properties which are directly affected by the kind of modeling and simulation approach. In this paper it is shown that hybrid solver strategies are most advantageous for flexible EM simulation. Analysis of the matrix properties helps to identify the most appropriate solver.