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[ANSYS Meshing] error:Zero or negative volume for elements.

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Old   November 27, 2017, 07:25
Default error:Zero or negative volume for elements.
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Hi everyone;
I’m getting “Zero or negative volume for element” error, while trying to create a very simple mesh in ANSYS 15.0, using workbench.It is a very simple model, just like a plate. One side is fixed ,the other is load.Give constant velocity to the model. the velocity up to 5 m/s.there is some information for the error.I don not know where is wrong with the model.the meshing?the analysis setting?or something else?

The Quad Mesher failed on the following faces.

License acquired!
Checking model setup.....Please wait
Generating External Edges ...... please wait
Initializing.....Please wait
Zero or negative element volume
Zero or negative element volume
Zero or negative element volume
Zero or negative element volume
Finished model setup with errors...

I greatly appreciate any help or advice regarding my problem.
Thank you.
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