Parallel field computation based on coupling of differential and integral methods Available to Purchase

This paper deals with the coupling of a parallelized differential (FEM) and a parallelized integral approach (BEM) under control of a master process within the framework of a preconditioned iterative solver. Applying a domain decomposition scheme splits the problem into separate FEM and BEM parts preserving the typical advantages of both methods. Therefore an independent parallelization with respect to the special properties of both methods is possible. The limitations that arise on sequential computers when performing 3D transient analysis of nonlinear eddy current problems especially with motion can be overcome with this approach. The parallel implementations are discussed with focus on a strategy that keeps substantial parts of the parallelization separated from the numerical algorithm. The numerical modeling of an electromagnetic valve is presented as an example.