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IDDES NREL wind turbine

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Old   September 22, 2017, 06:10
Default IDDES NREL wind turbine
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mehran ansary
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Hi
I am working on NREL wind turbine and modelling it with IDDES. does anyone know about length scale ratio? it is defined as:

length scale ratio = ((k^.5)/(0.09 * w ) ) / (cell volume^(1/3)

for IDDES does it need to be over 4 in all domain except boundary layer?
for IDDES what is important about mesh refinement?

thanks
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