On Wed, Jul 15, 2009 at 7:17 PM, wrote:
> The jacobian for a 2d triangular element is a constant. I heard that for a
> quadratic 2d triangular element the jacobian should be linear but I'm
> getting a quadratic one (I'm using classical coordinate transformations: x =
> ax' + by' + cx'y' + dx'^2 +
On Mon, Jul 13, 2009 at 12:11 PM, wrote:
> Hi John:
> I'm currently working on a problem that might be implemented with libMesh.
> It requires a change of variables from global to local coordinates. The
> nodes have to be inputed in the mapping equation in a certain order so that
> the jacobian
