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The integration of the Maxwell stress tensor is a widespread technique for the calculation of total force acting on a body. Notwithstanding this technique has been investigated for many decades, the optimal choice of the integration surface is still an open problem. The aim of this paper is to contribute to the discussion, presenting a method for the automatic generation of the integration surface based on the dual discretization. Some benchmarks are studied to provide numerical evidence of the accuracy of the force calculation.
Date of Publication: May 2013