Improved Multilevel Fast Multipole Method for Higher-Order Discretizations

The Multilevel Fast Multipole Method (MLFMM) allows for a reduced computational complexity when solving electromagnetic scattering problems. Combining this with the reduced number of unknowns provided by Higher-Order discretizations has proven to be a difficult task, with the general conclusion being that going above 2nd order is not worthwhile. In this paper, we challenge this conclusion, providing results that demonstrate the potential performance gains with Higher-Order MLFMM and showing some modifications to the traditional MLFMM that can benefit both Higher-Order and standard discretizations.

Publication: Proc. EuCAP 2014, The 8th European Conference on Antennas and Propagation
Place: The Hague, The Netherlands

Authors:
Oscar Borries / Peter Meincke / Erik Jørgensen / Stig Busk Sørensen / Per Christian Hansen /
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