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    extracting the time averaged magnitude of the poynting vector

    Analysis & Postprocessing
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    SylvainS

    In Sim4Life, the complex field S(x,y,z,f0) is (one half of) the cross product of the complex fields E(x,y,z,f0) and H(x,y,z,f0), both of which are the complex representation of harmonic fields (actually S = 0.5 E cross H*, where H* is the complex conjugate of H)
    The time-averaged Poynting vector (if you want the power flow) is given by Re(S)

    See the Wikipedia article (https://en.wikipedia.org/wiki/Poynting_vector) for more detail.

    EDIT: this post was corrected to reflect the notations used in Sim4Life, namley that S(x,y,z,f0) is already the time-averaged quantity and includes the factor 1/2.