help

[Agoni00]

I have a little puzzle about the three-dimensional radiation stress. The unit of the radiation stress term output by the mode is N/m. Why, shouldn't the unit of the stress term be N/(m*m)?

[aliabdolali]

@Agoni00 sxx, syy and syy are 2-dimensional radiation stress not 3D and the unit should be m2s−2 (N m−2/ρ).

[Agoni00]

@aliabdolali Thank you very much for your answer. Do you mean that the unit of radiation stress (Sxx, Syy,sxy) should be N m−2 ?