Turbomachinery  change rotation every 30 timesteps (CEL)
Hi,
The title gives a hint, i need to change the rotation of my machine every 30 timesteps, increasing in 10 rpm. Example: Iteration 1 angular velocity = 120 Iteration 30 angular velocity = 120+10 Iteration 60 angular velocity = 120+10+10 I tought something like this if(citern=30, AngVel=AngVel+10) if(citern=60, AngVel=AngVel+10) ... I never programmed in CEL, so i don't know all the options to script that. Anyone have an ideia to make this as simple as possible? Thanks in advance 
You could write this function using the mod function in CEL, or you could define a 1D interpolation function.

Thanks ghorrocks, i will try this mod function and post the results later.

ok, now my rotation speed increases every 30 iterations, see above.
rot = 120 [rev min^1] rotVar = rot + r1*yy+r2*yy+r3*yy r1 = if(citern>=30,1,0) r2 = if(citern>=60,1,0) r3 = if(citern>=90,1,0) yy = 10 [rev min^1] Is it possible to make the variable dependent on the RMS residuals instead of iterations? Like if (RMS<0.0001,1,0) What should be in the place of RMS variable? thanks 
I don't think the RMS residuals are a CEL variable, so I don't think you have access to it.

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