<div class="gmail_quote">On Sat, Nov 5, 2011 at 15:04, Dharmendar Reddy <span dir="ltr"><<a href="mailto:dharmareddy84@gmail.com">dharmareddy84@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div id=":yz">So, i need to transform the Gauss quadrature points (qp) from the reference 2D triangle to 3D using affine transformation of the form:<br>[x y z]^T = A x [qp_x qp_y] + [c1 c2 c3]^T; A is a 3 x 2 matrix , am i right?<br>
</div></blockquote></div><br><div>You need a quadrature for the face in physical space which means you need a quadrature in the reference coordinates and the Jacobian of the coordinate transformation. It looks like you're on the right track.</div>