Re: Meshing of a curved Nurb surface



Sounds interesting! Thanks for your comprehensive reply.
I'll check it out.
/Jonas


jonasforssell@xxxxxxxx (Jonas Forssell) wrote in message news:<538f1709.0506271050.12984219@xxxxxxxxxxxxxxxxxx>...
> Gentlemen,
>
> I would like to find a simple and robust algorithm for meshing a four
> sided mesh surface. The mesh could be triangular but ideally quad with
> triangles only where needed. The mesh is for a finite element program
> which means that the elements should have decent aspect ratio and
> angles.
>
> I'm looking a Delaunay triangulation, but doing it in real world
> coordinates seems messy when a surface is curved (and I need to search
> in spheres, not circles). Doing it in the nurb internal coordinates
> will probably generate some bad aspect ratios on the elements if the
> surface has a small curvature or some short edges.
>
> As usual, there must be a "best practice" on this. A workhorse
> algorithm.
> Any feedback & link appreciated
>
> /Jonas Forssell, Sweden
.



Relevant Pages

  • Meshing of a curved Nurb surface
    ... I would like to find a simple and robust algorithm for meshing a four ... sided mesh surface. ... The mesh could be triangular but ideally quad with ... Doing it in the nurb internal coordinates ...
    (comp.graphics.algorithms)
  • Re: determine if point is in a volume
    ... is inside a 3D volume specified by a surface triangular mesh? ... Far better is to use inhull, ... convex hull. ... If you already have the triangular ...
    (comp.soft-sys.matlab)
  • Re: Projecting a point to a triangular mesh surface
    ... You are absolutely correct, there are many different ways of interpreting ... Let M be a triangular surface mesh and Ti a triangle within the mesh that ... efficient algorithm for projecting a point to the nearest position on a ... triangular mesh surface. ...
    (comp.graphics.algorithms)
  • Re: Integrating a discontinuous function
    ... >mesh to generate cell-averaged initial data for a finite colume solver. ... solve a hyperbolic equation with two space variables with a triangular mesh ...
    (sci.math.num-analysis)

Loading