FeelMathVOX is a voxel-based solver of the software FeelMath. The solutions are computed by the fast-Fourier transformation.The average deviation is of 5% compared to FeelMathTET. Besides, the solver is characterized by a stable number of iterations even for increasing contrast and rigid inclusions. 

Comparison of FeelMathVox and FeelMathTET

• FFT

• FEM