On Mon, 2 Mar 2009, John Peterson wrote:
On Mon, Mar 2, 2009 at 3:48 PM, yunfei zhu <[email protected]> wrote:
Considering a tri3, as following,
3
*
* c *
* * *
* *
* a* *b *
1 * * * * *2
points a,b,c are quadrature points.
(L[i] are the area coordinates)
p(0) is the area coordinate L[1] at a quadrature point.
p(1) is the area coordinate L[2] at a quadrature point.
John is right, and to be more specific, here is why: for our master
triangle, 1 is at the origin, 2 is at (1,0), 3 is at (0,1). So
p(0) = L(2) and p(1) = L(3)
---
Roy
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