[Gmsh] Fwd: problems about mesh characteristic length

[David Colignon]

Hi Shu,

you should read the first tutorials (and try changing the value of "lc") :

http://www.geuz.org/gmsh/doc/texinfo/gmsh.html#Tutorial

Regards,

Dave


-- 
David Colignon, Ph.D.
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On 29/03/10 05:34, 徐庶 wrote:
> Dear gmsh developers:
> I sent you the following email three days ago, questioning about the 
> mesh characteristic length. Unfortunately, I haven't got your answers 
> yet. Would you please spend some time doing me this favor? thank you!
> Looking forward to your suggestion.
> Best wishes
> Shu
> 
> ---------- Forwarded message ----------
> From: *徐庶* <xushuchina at gmail.com <mailto:xushuchina at gmail.com>>
> Date: 2010/3/26
> Subject:
> To: gmsh at geuz.org <mailto:gmsh at geuz.org>
> 
> 
> Dear authors:
> I'm a Chinese student and recently meet some troubles when using gmsh.
> 1. In the gmsh manual, you mentioned the characteristic length of a 
> point will set the characteristic mesh length at that point. Can you 
> give me some more exact explantion about this, for instance, mesh 
> characteristic length represents what when I generate mesh? Is there any 
> appropiate way to determin this parameter before generating a geo 
> module? Is the parameter "Ic" the same thing with the characteristic 
> length?
> 2. In the "frequently asked questions" part, question 5.13, you simplely 
> interpret three parameters: Rho, Eta and Gamma, which I'm still not 
> clear. Unfortunately, I can't search out Geo/MElement.cpp in the manual. 
> can you send me the Geo/MElement.cpp or make some illustration about 
> them, and show me how to measure quality of the tetrahedra from these 
> three parameters? thank you for your patience.
> I'm a mesh novice and will appreciate very much if I can get some favor 
> from you. Looking forward to your suggestion!
> Best regards
> Shu
> 
> -- 
> **********************************************************
> XU Shu
> College of Computer Science and Technology
> Wuhan National Laboratory for Optoelectronics
> Huazhong University of Science and Technology, Wuhan 430074, China
> E-mail: xushuchina at gmail.com <mailto:xushuchina at gmail.com>
> Phone: +8613986106599
> **********************************************************
> 
> 
> 
> -- 
> **********************************************************
> XU Shu
> College of Computer Science and Technology
> Wuhan National Laboratory for Optoelectronics
> Huazhong University of Science and Technology, Wuhan 430074, China
> E-mail: xushuchina at gmail.com <mailto:xushuchina at gmail.com>
> Phone: +8613986106599
> **********************************************************
> 
> 
> 
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