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ICEM: meshing regarding to curvature

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Old   November 18, 2005, 05:05
Default ICEM: meshing regarding to curvature
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DAK565656
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Please someone tell me how can I mesh in ICEM 10 airfoil surface taking into account its curvature? Just like in CFX-Mesh: Face spacing type -> Angular resolution of Relative error. I need good resolution on leading edge. I use blocking to build regular mesh.
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Old   November 18, 2005, 06:59
Default Re: ICEM: meshing regarding to curvature
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DAK565656
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Maybe somebody knows good ICEM forum?
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Old   November 18, 2005, 07:11
Default Re: ICEM: meshing regarding to curvature
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TB
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What type of mesh are you talking about? Tet or Hex?

Tet mesh generator is pretty automatic while hex mesh generator is semi-automatic.

If you're new to ICEM, I'll advise you to start with tutorial first. You should be able to grasp some usefull idea from there. Good luck.
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Old   November 18, 2005, 07:37
Default Re: ICEM: meshing regarding to curvature
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DAK565656
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In my case it is hexa meshing around airfoil. I've created block, associated its vertices to points, edges to curves. Now I need to set up surface/edge sizes. It is not a problem to set constant size around airfoil surface, but how can I set different size regarding to curvature of airfoil? I know, that it is easy in tetra mesher, but what about hexa?
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Old   November 18, 2005, 10:14
Default Re: ICEM: meshing regarding to curvature
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Myron
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In Hexa you use edge parameters to specify node counts and distributions on edges. (For default you can set maximum size on surfaces - then use edge parameters to fine tune.)
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Old   November 19, 2005, 13:42
Default Re: ICEM: meshing regarding to curvature
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TB
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I don't quite understand your question....Anyway, you can use multi-block strategy if you wish to specify different element size (parallel edges should have the same no. of nodes)....ie. divide it into several smaller blocks.
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Old   November 20, 2005, 07:14
Default Re: ICEM: meshing regarding to curvature
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DAK565656
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Yes, I use this option for setting node counts (Mesh -> Set Curve Mesh Size -> Curve Mesh Parameters (for setting node count) and Mesh -> Set Curve Mesh Size -> Advanced Bunching (as far as I understand for distribution on edges). When I set Curvature as bunching law I need to specify ratios and spacings. What should I set in these options to account for curvature?
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