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About streamline-fish oscillate propulsion Analysis

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Old   April 10, 2012, 07:49
Default About streamline-fish oscillate propulsion Analysis
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i doing streamline-fish oscillate propulsion Analysis! (2D)
First: i use NACA0012 as fish then use gambit draw grid amd mesh

second:write c++ control fish fin oscillate (flexible fin) in UDF

third:in Fluent(12.0) to simulation! run!! until 50s become steady

and next step is take control volume calculate momentum equation!

now my problem is my efficency very high (30~50%) and drag coefficient curve i can't understand and vortex (have two vortex combine one vortex) in Fe=1.0

have any references about fin oscillate propulsion,efficency,drag coefficent and other anaysis?
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