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Forum: OpenFOAM Running, Solving & CFD

March 30, 2010, 06:19

Replies: 5

forces on a hydrofoil

Views: 2,356

Posted By vaina74

I know the lift (or drag) equation is: C_L=...

I know the lift (or drag) equation is:

C_L= \frac{L}{\frac{1}{2}{\rho}v^2A_{ref}}

where A_{ref} is planform area. In the section lift coefficient (based on the concept of an infinite wing of...

Forum: OpenFOAM Running, Solving & CFD

March 29, 2010, 12:49

Replies: 5

forces on a hydrofoil

Views: 2,356

Posted By vaina74

Thanks, Maddalena. First I merged all the threads...

Thanks, Maddalena. First I merged all the threads about lift and drag, then I found the nacaAirfoil tutorial (in compressible/sonicFoam/ras). I included in my controlDict:
functions
{
forces
...

Forum: OpenFOAM Running, Solving & CFD

March 26, 2010, 07:57

Replies: 5

forces on a hydrofoil

Views: 2,356

Posted By vaina74

forces on a hydrofoil

I included a subroutine in the controlDict file to evaluate the lift and drag coefficients on a blade section of a marine propeller:

functions
(
forces
{
type forces;
functionObjectLibs...

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