[Gmsh] high order node distribution

Jean-François Remacle jean-francois.remacle at uclouvain.be
Tue Jul 17 18:18:10 CEST 2012


Hello Jacob,

Can you provide the geo file ?

JFR
Le 17 juil. 2012 à 17:54, jakob schwarz a écrit :

> Hello,
> I'm new to gmsh and I'm having some problems: For now I'm trying to get a 4th order structured 2D mesh on a simple NACA0012 wing. Creating a first order structured grid works fine, but when I'm trying to convert it to 4th order (or 2nd order), the nodes at the trailing and leading edges get distorted and some interior nodes are even missing. The nodes on the 'inside' panels are evenly spaced.
> 
> I noticed that the same happens when I simply refine the 1st order mesh by splitting. Maybe gmsh is trying to space the nodes curvature based.
> I just need an evenly spaced structured grid.
> 
> Thank you for your help,
> Jakob
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Prof. Jean-Francois Remacle
Universite catholique de Louvain (UCL)
Ecole Polytechnique de Louvain (EPL) - Louvain School of Engineering
Institute of Mechanics, Materials and Civil Engineering (iMMC)
Center for Systems Engineering and Applied Mechanics (CESAME)
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