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The orthogonal quality of the mesh is getting smaller and smaller

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Old   October 25, 2018, 05:14
Question The orthogonal quality of the mesh is getting smaller and smaller
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Hello everyone, I am using sliding mesh in FLUENT to simulate the vertical fan. However, as the calculation progresses, the orthogonal mass of the grid becomes smaller and smaller at the partial tip speed ratio. Why is this? I would be very grateful if I can get your reply, thank you.
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