Re: [Libmesh-users] non-simplex elements

[Michael S. <m-s...@us...>]

Hello Ben and John,

On 01.02.05, KIRK, BENJAMIN (JSC-EG) (NASA) wrote:
> Sure...  Examples 3 and 4 use 9-noded biquadratic quadrilaterals in 2D.
> Also, the middle node need not lie in the geometric center of the two
> vertices.  By default, the second-order elements in libMesh are treated
> isoparametrically, which allows them to approximate curved boundaries with a
> quadratic line segment.
thanks for the quick answer.

I would like to solve a Stokes equation which is a vector equation.
With higher-order elements the Christoffel-Symbols in the equation are
not zero anymore. Is there an interface to get the
Christoffel-Symbols, similar to the integration-weights?

Michael.

-- 
"A mathematician is a device for turning coffee into theorems"
  Paul Erdös.