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Engineering and Computational Mechanics papers free online until 5 Dec 2011

The following four papers have been selected by the Editorial Panel of
Engineering and Computational Mechanics
to be distributed free (until 5 December 2011):

sweep mesh of a dome in ANSYS

I am dealing with a partial sphere dome in ANSYS, I created the volume by extruding half of an arch area along the axis at the dome center. I am using SOLID65 elements. The problem I am facing now is how to properly sweep mesh the whole volume ( actually, there are four 90 degree partial sphere together after the extrude of the area), because if I simply sweep the volume, the elements around the top center of the sphere will cause element shape warning in the static analysis.

Dose anyone have any idea about how to deal with the mesh around the center? 

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