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increaseing vol frac after x iterations

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Old   December 13, 2005, 22:28
Default increaseing vol frac after x iterations
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hi all

can anyone tell me how do i write the udf for increasing the volume fraction of the dispersed phase after x iterations. i want to increase the volume fraction from 0 to 45% and monitor the pressure to get the phase inversion can one monitor the effective viscosity of the mixture which is greater than mixture viscosity.

is there any way of getting the drop distribution and sauter mean dia of the drops.because there is no PBE model in fluent 6.2....

any suggestions are welcome thanks in advance Rashmi
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