Sinusoidal motion of piston inside cylinder (issue)
hi,everybody
I try to simulate a sinusoidal motion for piston inside cylinder. I defined the piston as a rigid body and its velocity by a profile like that --------------------- piston 2 8 1 time v_x 0 0 1 1 2 2 3 3 4 -3 5 -2 6 -1 7 0 ------------------- my question is why when I display the piston motion the fluent add the new velocity values to the previous one which mean that second (1 ) the velocity is 1 m/s and at sec (2) the velocity becomes 2+1=3 m/s not 2 and so on so the piston still moves in x direction and did not return back again I am so confused any help guys?? |
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