/usr/share/openturns/validation/ValidPoutreArticle.txt is in openturns-validation 1.5-7build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | > int(int(z^2,x=-a/2..a/2),z=-a/2..a/2);
4
a
----
12
> 1e-8/12.;
-9
0.8333333333 10
> subs(a=1e-2,e=1e-3,a^4/12-(a-e)^4/12);
-9
0.2865833333 10
> subs(F=10,L=1,E=2.1e11,I_=a^4/12-(a-e)^4/12,a=2e-2,e=1e-3,[I_,F*L^3/3/
> E/I_]);
-8
[0.247325000 10 , 0.006417877638]
>
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