Hello all, I would like to calculate rms values for my simulations.
For example, for the calculations of the axial velocity u'rms = sqr( ( (u')^2)_ave ) I first need to calculate the fluctuations, u'_x = u_x - u_x_ave. I obtain: 1) u_x via the calculator. 2) u_x_ave using the temporal statistics filter The problem that I am having is subtracting them from each other. I have tried in two ways. a) calculating 1) and 2) in separate branches but then I cannot see the variables from each b) calculating 1) and 2) in the same branch but then I do not have access to u_x because the statistical filter averages it out. Any help is appreciated. Best regards, Janusz
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