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2D axisymmetry_unpositive area

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Old   July 10, 2006, 04:43
Default 2D axisymmetry_unpositive area
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I must resolve a 2D-axisymmetric problem. But I cannot handle the meshing of this problem. I have everytime a problem of non positive area in my grid. However, if I transfor the boundrary "Axis" to "Wall", the check is a success. What is the problem please?

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Old   July 10, 2006, 07:10
Default Re: 2D axisymmetry_unpositive area
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In most cases problems with the axysymetric setup are caused by positioning the axis. Go back to your grid generator and check if your axis is EXACTLY on the x-Axis.

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Old   July 10, 2006, 13:17
Default Re: 2D axisymmetry_unpositive area
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place your geometry +X, +Y in Gambit.The axis you rotate that is +x should be made axisymmetry. You will not encouanter any of the difficulties. KP
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