CFD Online Discussion Forums - Unable to find cellZone using solidBodyMotionFunction

Hi,

I tried to modify the wingMotion2D tutorial, changing from sixDoFRigidBodyMotion to solidBodyMotionFunction because I want to simulate a pitching airfoil:

Code:

dynamicFvMesh      dynamicMotionSolverFvMesh;



motionSolverLibs ("libfvMotionSolvers.so");



motionSolver solidBody;



cellZone        wing;



solidBodyMotionFunction  rotatingMotion;

  

rotatingMotionCoeffs

        {

        origin (0.25 0.007 0.125);

        axis (0 0 1);

        omega 6.2832;

        }

However, I got the error:

Unable to find cellZone wing. Valid cellZones are:0()

Why is this so? I searched and it seems that I need to create a set file using setSet or topoSet? But how is it done? Can someone enlighten me?

Thanks.