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different solutions for the same problem!

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Old   February 14, 2016, 11:04
Default different solutions for the same problem!
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Hello,

I am simulating a very low speed turbine (transient simulation, VOF model). I run the simulation and monitor the torque at the shaft. Then, I have re-run again the same simulation, identycal, with the same conditions, discretization, ect. The results (the shaft torque) has changed of 20-25%...very strange..It does not happen always, only few times, but it is strange.

Do you know why? Caos?

Thank you
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different solution, transient, turbine, vof


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