Sliding mesh with negative cell volume detected -- CFD Online Discussion Forums

August 2, 2016, 23:59	Sliding mesh with negative cell volume detected	#1
Moen New Member Zhu Chengyong Join Date: Jul 2016 Location: China Posts: 1 Rep Power: 0	Hi, everyone . I'm doing a simulation on a 3-blade wind turbine. I used sliding mesh method and chose a cylindrical surface as sliding interface. I think mesh motion must be rigid and my initial mesh is ok. However, why is there such error: negative cell volumes & left handed cell faces are detected , when I previewed the mesh motion ?

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