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higher gauss Quadrature rule for triangles

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Old   September 27, 2001, 13:33
Default higher gauss Quadrature rule for triangles
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Dear friends I am doing certain error analysis in FEA. In order to eliminate the Numerical Integration error, I want to use higher gauss quadrature rule for triangles. I have found 10x10 rule for Quads but i could not find it for triangles. Presently I am using 12 point integration for triangles. if any body have used it or know some literature, then i will need his help

I appreciate your help
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Old   September 27, 2001, 13:39
Default Re: higher gauss Quadrature rule for triangles
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The easiest way is to consider a triangle as a degenerated quadrangle (when two of the vertices collapse into one). Note that higher-order quadratures are readily available for quads.
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