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### circular face

Posted by yasmine mira at August 12. 2010

hi

i'm looking for meshing a simple pipe, so i used the algorithm " Radial quadrangle 1D2D" for the circular faces.

the problem is that the cells become too small at the center, because of convergence of the radius to the center

does somebody know how can i do to have an uniforme mesh ???

regards

### Re: circular face

Posted by JMB at August 12. 2010

Hello,

Here are a couple of alternatives:

1. You will need to partition the circular face into a central square, then connect each of the corners of the square to the circumference using a straight radial line, such that you have a total of 5 regions, each having four sides.  Of course 4 of them will have one arc each, but that does not matter.  Then you can mesh it using quadrangle rules.

2. Or don't use Radial Quad 1D2D, use Netgen with quad preference, but this may give some triangles, whereas the previous method ensures all quadrangles.

Regards,

JMB

### Re: circular face

Posted by JMB at August 14. 2010

### Re: circular face

Posted by yasmine mira at August 16. 2010

good morning JMB