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the numerical library for integral on triangle

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Old   March 1, 2018, 08:53
Default the numerical library for integral on triangle
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Li Ji
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Hi all,
I need to achieve integral on triangles, and which open source numerical library can do numerical integral on a triangles ?
Thanks!


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Old   March 1, 2018, 09:01
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Filippo Maria Denaro
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Quote:
Originally Posted by leejearl View Post
Hi all,
I need to achieve integral on triangles, and which open source numerical library can do numerical integral on a triangles ?
Thanks!


leejearl

There is no need to use library...just use the 2D shape functions for a triangle and get also the analytical integral
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Old   March 1, 2018, 10:07
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Originally Posted by FMDenaro View Post
There is no need to use library...just use the 2D shape functions for a triangle and get also the analytical integral
The analytical integral is one solution, but I think the 2D Gauss integral is more suitable for my work.

Thanks.
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Old   March 1, 2018, 10:15
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Filippo Maria Denaro
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Eq.(6.47) is all you need
https://mycourses.aalto.fi/pluginfil...h-Edition-.pdf
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Old   March 1, 2018, 20:55
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Can you show me the title of the book? Thanks.
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Old   March 1, 2018, 20:58
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I have get it. Thank you.
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